{"id":2500,"date":"2024-07-02T17:59:45","date_gmt":"2024-07-02T14:59:45","guid":{"rendered":"https:\/\/innfes.com\/vi\/how-to-calculate-the-height-of-the-roof\/"},"modified":"2024-07-02T17:59:45","modified_gmt":"2024-07-02T14:59:45","slug":"how-to-calculate-the-height-of-the-roof","status":"publish","type":"post","link":"https:\/\/innfes.com\/vi\/how-to-calculate-the-height-of-the-roof\/","title":{"rendered":"C\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0"},"content":{"rendered":"\n<p>B\u1ea5t c\u1ee9 ai mu\u1ed1n x\u00e2y d\u1ef1ng, s\u1eeda ch\u1eefa ho\u1eb7c th\u1ea9m \u0111\u1ecbnh m\u1ed9t t\u00e0i s\u1ea3n ph\u1ea3i bi\u1ebft m\u1ed9t m\u00e1i nh\u00e0 cao \u0111\u1ebfn m\u1ee9c n\u00e0o. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u1ed1c t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1i nh\u00e0 l\u00e0 chi\u1ec1u cao c\u1ee7a n\u00f3, ho\u1eb7c t\u0103ng. V\u1ec1 b\u1ea3n ch\u1ea5t, \u0111\u00f3 l\u00e0 kho\u1ea3ng c\u00e1ch th\u1eb3ng \u0111\u1ee9ng gi\u1eefa c\u1ea1nh v\u00e0 ch\u00e2n \u0111\u1ebf c\u1ee7a m\u00e1i nh\u00e0.<\/p>\n<p>Nh\u1ecbp ngang v\u00e0 g\u00f3c s\u00e2n l\u00e0 hai ph\u00e9p \u0111o thi\u1ebft y\u1ebfu c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0. \u0110\u1ed9 r\u1ed9ng c\u1ee7a c\u1ea5u tr\u00fac ho\u1eb7c kho\u1ea3ng c\u00e1ch m\u00e0 m\u00e1i m\u1edf r\u1ed9ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nh\u1ecbp ngang. \u0110o l\u01b0\u1eddng n\u00e0y h\u1ed7 tr\u1ee3 trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh chi\u1ec1u r\u1ed9ng c\u1ee7a m\u00e1i nh\u00e0 y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 c\u1ea5u tr\u00fac. Tuy nhi\u00ean, g\u00f3c m\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 g\u00f3c s\u00e2n, tuy nhi\u00ean. L\u01b0\u1ee3ng inch c\u1ee7a m\u00e1i nh\u00e0 t\u0103ng theo chi\u1ec1u d\u1ecdc cho m\u1ed7i 12 inch, n\u00f3 k\u00e9o d\u00e0i theo chi\u1ec1u ngang th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb d\u01b0\u1edbi d\u1ea1ng t\u1ef7 l\u1ec7, ch\u1eb3ng h\u1ea1n nh\u01b0 4:12.<\/p>\n<p>S\u1eed d\u1ee5ng l\u01b0\u1ee3ng gi\u00e1c \u0111\u01a1n gi\u1ea3n l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao m\u00e1i nh\u00e0. C\u00f4ng th\u1ee9c \u0111\u1ec3 t\u00ednh chi\u1ec1u cao nh\u01b0 sau: chi\u1ec1u cao = nh\u1ecbp ngang * tan (g\u00f3c \u0111\u1ed9), trong \u0111\u00f3 g\u00f3c \u0111\u1ed9 v\u00e0 nh\u1ecbp ngang l\u00e0 hai \u0111\u1ea7u v\u00e0o. C\u00f4ng th\u1ee9c n\u00e0y x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao d\u1ef1a tr\u00ean g\u00f3c \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m ti\u1ebfp tuy\u1ebfn. N\u00f3 r\u1ea5t linh ho\u1ea1t v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf m\u00e1i nh\u00e0.<\/p>\n<p>Hi\u1ec3u \u0111\u01b0\u1ee3c chi\u1ec1u cao c\u1ee7a m\u1ed9t m\u00e1i nh\u00e0 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u0169ng nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 h\u1eefu \u00edch nh\u01b0 c\u00e1ch nhi\u1ec7t, tho\u00e1t n\u01b0\u1edbc v\u00e0 h\u1ea5p d\u1eabn th\u1ecb gi\u00e1c. Chi\u1ec1u cao c\u1ee7a m\u1ed9t m\u00e1i nh\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1ch n\u01b0\u1edbc tho\u00e1t ra kh\u1ecfi n\u00f3, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u1ea3 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a t\u00f2a nh\u00e0. H\u01a1n n\u1eefa, \u01b0\u1edbc t\u00ednh chi\u1ec1u cao c\u1ee7a c\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 m\u00e1i nh\u00e0 trong vi\u1ec7c ho\u00e0n th\u00e0nh hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u qu\u1ea3 c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng ho\u1eb7c s\u1eeda ch\u1eefa b\u1eb1ng c\u00e1ch gi\u1ea3m l\u01b0\u1ee3ng v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft.<\/p>\n<table>\n<tbody>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p<\/td>\n<td>Gi\u1ea3i tr\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>1. \u0110o s\u00e2n<\/td>\n<td>\u0110o l\u01b0\u1eddng s\u1ef1 gia t\u0103ng th\u1eb3ng \u0111\u1ee9ng c\u1ee7a m\u00e1i tr\u00ean m\u1ed7i ch\u00e2n ngang (ch\u1ea1y) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh s\u00e2n. S\u1eed d\u1ee5ng m\u1ed9t m\u1ee9c \u0111\u1ed9 v\u00e0 th\u01b0\u1edbc d\u00e2y.<\/td>\n<\/tr>\n<tr>\n<td>2. T\u00ednh to\u00e1n l\u01b0\u1ee3ng gi\u00e1c<\/td>\n<td>S\u1eed d\u1ee5ng l\u01b0\u1ee3ng gi\u00e1c n\u1ebfu s\u00e2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn. T\u00ednh chi\u1ec1u cao b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng h\u00e0m ti\u1ebfp tuy\u1ebfn: chi\u1ec1u cao = ch\u1ea1y * tan (g\u00f3c \u0111\u1ed9).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c &#8211; c\u00e1ch d\u1ec5 nh\u1ea5t v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t<\/h2>\n<p>M\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac quan tr\u1ecdng nh\u1ea5t c\u1ee7a ng\u00f4i nh\u00e0 ri\u00eang l\u00e0 m\u00e1i nh\u00e0 v\u00ec n\u00f3 gi\u1eef cho kh\u00f4ng kh\u00ed l\u1ea1nh, l\u01b0\u1ee3ng m\u01b0a t\u1eeb kh\u00ed quy\u1ec3n v\u00e0 n\u01b0\u1edbc tan ra kh\u1ecfi ph\u00f2ng. Thi\u1ebft b\u1ecb c\u1ee7a n\u00f3 s\u1ebd cho ph\u00e9p hem lo\u1ea1i b\u1ecf \u0111\u1ed9 \u1ea9m kh\u1ecfi b\u1ec1 m\u1eb7t l\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam t\u1ea3i v\u00e0o h\u1ec7 th\u1ed1ng Rafter, mi\u1ec5n l\u00e0 b\u1ea1n bi\u1ebft m\u00e1i nh\u00e0 v\u00e0 v\u00e1n tr\u01b0\u1ee3t cao nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<h3>S\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n v\u1ec1 chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0<\/h3>\n<p>M\u1ed9t h\u1ed9 gia \u0111\u00ecnh h\u00e0i h\u00f2a s\u1ebd ch\u1ec9 xu\u1ea5t hi\u1ec7n n\u1ebfu s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u00e1i nh\u00e0 ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf ki\u1ebfn \u200b\u200btr\u00fac c\u1ee7a ng\u00f4i nh\u00e0. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c li\u00ean quan \u0111\u1ebfn chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0.<\/p>\n<p>Kho\u1ea3ng c\u00e1ch gi\u1eefa trung t\u00e2m c\u1ee7a c\u01a1 s\u1edf c\u1ea5u tr\u00fac m\u00e1i v\u00e0 \u0111i\u1ec3m cao nh\u1ea5t c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chi\u1ec1u cao tr\u01b0\u1ee3t b\u0103ng, theo thu\u1eadt ng\u1eef \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00f4ng qua.<\/p>\n<p>C\u00e1c thu\u1ed9c t\u00ednh n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 l\u1edbn c\u1ee7a tham s\u1ed1 n\u00e0y:<\/p>\n<ol>\n<li>G\u00f3c nghi\u00eang c\u1ee7a \u0111\u1ed9 d\u1ed1c. Chi\u1ec1u cao c\u1ee7a s\u01b0\u1eddn n\u00fai c\u00e0ng l\u1edbn, \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 c\u00e0ng d\u1ed1c. \u1ede nh\u1eefng khu v\u1ef1c m\u00e0 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn tuy\u1ebft r\u01a1i ra v\u00e0o m\u00f9a \u0111\u00f4ng ho\u1eb7c nh\u1eefng c\u01a1n m\u01b0a r\u00f3t th\u01b0\u1eddng tr\u1ea3i qua m\u1ed9t n\u0103m, g\u00f3c nghi\u00eang c\u1ee7a \u0111\u1ed9 d\u1ed1c n\u00ean l\u00e0 20 &#8211; 50 \u0111\u1ed9.<\/li>\n<li>Di\u1ec7n t\u00edch c\u1ee7a b\u1ec1 m\u1eb7t l\u1ee3p. M\u00e1i nh\u00e0 c\u00e0ng cao, khu v\u1ef1c n\u00e0y c\u00e0ng c\u00f3 di\u1ec7n t\u00edch, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 chi ph\u00ed l\u1eafp \u0111\u1eb7t t\u0103ng. \u0110i\u1ec1u n\u00e0y l\u00e0 do m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng c\u1ea7n thi\u1ebft cho vi\u1ec7c x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng rafter.<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a khung m\u00e1i nh\u00e0. V\u1edbi s\u1ef1 gia t\u0103ng chi\u1ec1u cao, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u1ea5u tr\u00fac t\u0103ng, c\u0169ng nh\u01b0 t\u1ea3i t\u1eeb c\u00e1c l\u1edbp c\u1ee7a &quot;chi\u1ebfc b\u00e1nh&quot;. V\u00ec l\u00fd do n\u00e0y, c\u1ea7n ph\u1ea3i t\u0103ng c\u01b0\u1eddng khung b\u1eb1ng c\u00e1ch c\u00e0i \u0111\u1eb7t c\u00e1c y\u1ebfu t\u1ed1 b\u1ed5 sung.<\/li>\n<\/ol>\n<p>C\u00f3 hai c\u00e1ch \u0111\u1ec3 t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0:<\/p>\n<ul>\n<li>T\u00ednh gi\u00e1 tr\u1ecb mong mu\u1ed1n t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ed9 d\u1ed1c mong mu\u1ed1n,<\/li>\n<li>\u0110\u1ea7u ti\u00ean quy\u1ebft \u0111\u1ecbnh tham s\u1ed1 n\u00e0y, v\u00e0 sau \u0111\u00f3 ch\u1ec9 t\u00ednh to\u00e1n lo\u1ea1i \u0111\u1ed9 d\u1ed1c n\u00e0o.<\/li>\n<\/ul>\n<h3>Ch\u1ecdn chi\u1ec1u cao c\u1ee7a c\u1ea5u tr\u00fac<\/h3>\n<p>Chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00ec n\u00f3 s\u1ebd \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn c\u00e1ch th\u1ee9c c\u1ea5u tr\u00fac ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>C\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c v\u1ec1 c\u00e1ch t\u00ednh chi\u1ec1u cao m\u00e1i nh\u00e0 c\u1ee7a m\u1ed9t ng\u00f4i nh\u00e0 s\u1ebd h\u1eefu \u00edch trong vi\u1ec7c t\u1ea1o ra m\u1ed9t d\u1ef1 \u00e1n ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eadu c\u1ee7a khu v\u1ef1c v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng d\u1ef1 \u0111\u1ecbnh c\u1ee7a c\u00f4ng tr\u00ecnh. M\u00e1i nh\u00e0 s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n nhi\u1ec1u v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n<p>C\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t khi t\u1ea1o c\u1ea5u tr\u00fac m\u00e1i nh\u00e0:<\/p>\n<ol>\n<li>L\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh h\u00e0ng n\u0103m. Ch\u1ec9 s\u1ed1 n\u00e0y c\u00e0ng l\u1edbn, b\u1ea1n c\u00e0ng n\u00ean l\u00e0m m\u1ed9t con ng\u1ef1a.<\/li>\n<li>T\u1ea3i tr\u1ecdng gi\u00f3. Tr\u00ean c\u00e1c khu v\u1ef1c c\u00f3 gi\u00f3 m\u1ea1nh, c\u00e1c t\u00f2a nh\u00e0 th\u1ea5p th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 th\u1ea5p.<\/li>\n<li>M\u1ee5c \u0111\u00edch c\u1ee7a c\u1ea5u tr\u00fac. N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a ng\u00f4i nh\u00e0 quy \u0111\u1ecbnh v\u1ec1 s\u1ef1 s\u1eafp x\u1ebfp c\u1ee7a m\u1ed9t c\u0103n g\u00e1c, th\u00ec chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u00edt nh\u1ea5t2.5 m\u00e9t.<\/li>\n<\/ol>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u d\u1ef1 \u00e1n, b\u1ea1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh c\u00e1ch t\u00ednh chi\u1ec1u cao v\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 v\u00ec c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf c\u1ee7a khung v\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ed3ng l\u00ean m\u00e1i nh\u00e0.<\/p>\n<h3>C\u00e1ch t\u00ednh v\u00e0 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 li\u00ean quan \u0111\u1ebfn chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p h\u1ecdc: M\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n skate v\u00e0 \u0111\u1ed9 cao m\u00e1i nh\u00e0. D\u1ef1a tr\u00ean c\u00e1c t\u00ednh to\u00e1n, ng\u01b0\u1eddi ta cho r\u1eb1ng v\u1ebft c\u1eaft th\u1eb3ng \u0111\u1ee9ng c\u1ee7a m\u00e1i nh\u00e0 l\u00e0 m\u1ed9t tam gi\u00e1c c\u00e2n. C\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi.<\/p>\n<p>Ngo\u00e0i ra, ch\u00fang c\u00f3 c\u00e1c h\u00ecnh th\u1ee9c sau \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0:<\/p>\n<ol>\n<li>Chi\u1ec1u r\u1ed9ng c\u1ee7a c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c chia cho 2.<\/li>\n<li>\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1ed1c, b\u1ea1n c\u1ea7n ch\u1ecdn g\u00f3c gi\u1eefa \u0111\u1ebf v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a t\u1ea5m l\u1ee3p c\u1ee7a t\u1ea5m l\u1ee3p.<\/li>\n<li>H\u01a1n n\u1eefa, theo b\u1ea3ng Brandis, ti\u1ebfp tuy\u1ebfn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi g\u00f3c n\u00e0y.<\/li>\n<li>M\u1ed9t n\u1eeda gi\u00e1 tr\u1ecb chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1ee3c nh\u00e2n v\u1edbi g\u00f3c ti\u1ebfp tuy\u1ebfn v\u00e0 nh\u1eadn chi\u1ec1u cao c\u1ee7a s\u01b0\u1eddn n\u00fai.<\/li>\n<\/ol>\n<p>Th\u00f4ng th\u01b0\u1eddng, tham s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c ch\u1ecdn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed9 d\u1ed1c m\u00e1i trong kho\u1ea3ng t\u1eeb 25 \u0111\u1ebfn 45 \u0111\u1ed9.<\/p>\n<p>C\u00e1ch \u0111o ch\u00ednh x\u00e1c chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0: Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t c\u00e1ch x\u00e1c \u0111\u1ecbnh, t\u00ednh to\u00e1n, t\u00ednh to\u00e1n ch\u00ednh x\u00e1c, l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ecm hi\u1ec3u m\u1ee9c \u0111\u1ed9 cao c\u1ee7a m\u00e1i nh\u00e0 li\u00ean quan \u0111\u1ebfn chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-rasschitat-vysotu-kryshi_1.jpg\"><\/p>\n<blockquote><p>\n   &quot;X\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng cho m\u1ed9t s\u1ed1 m\u1ee5c \u0111\u00edch, bao g\u1ed3m c\u1ea3 ng\u00e2n s\u00e1ch cho c\u00e1c v\u1eadt li\u1ec7u v\u00e0 t\u1ed5 ch\u1ee9c c\u1ea3i t\u1ea1o. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng l\u01b0\u1ee3ng gi\u00e1c c\u01a1 b\u1ea3n v\u00e0 c\u00e1c c\u00f4ng c\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 b\u0103ng \u0111o v\u00e0 c\u1ea5p \u0111\u1ed9 \u0111\u1ec3 t\u00ecm ph\u00e9p \u0111o quan tr\u1ecdng n\u00e0y. B\u1ea1n c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao b\u1eb1ng c\u00e1ch bi\u1ebft g\u00f3c \u0111\u1ed9 v\u00e0 t\u00ednh kho\u1ea3ng c\u00e1ch ngang t\u1eeb c\u0103n c\u1ee9 c\u1ee7a m\u00e1i nh\u00e0 \u0111\u1ebfn \u0111\u1ec9nh c\u1ee7a n\u00f3. B\u00e0i \u0111\u0103ng n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n qua c\u00e1c b\u01b0\u1edbc t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a m\u00e1i nh\u00e0 c\u1ee7a b\u1ea1n v\u1edbi s\u1ef1 \u0111\u1ea3m b\u1ea3o.&quot;\n  <\/p><\/blockquote>\n<h2>T\u00ednh to\u00e1n ch\u00ednh x\u00e1c chi\u1ec1u cao c\u1ee7a m\u00e1i \u0111\u1ea7u h\u1ed3i<\/h2>\n<p>M\u00e1i \u0111\u1ea7u h\u1ed3i truy\u1ec1n th\u1ed1ng c\u1ee7a t\u00fap l\u1ec1u Nga. H\u1ec7 th\u1ed1ng Rafter c\u1ee7a c\u00f4 kh\u00e1 \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u n\u00e0y \u0111\u00e3 l\u00e0m t\u0103ng s\u1ef1 h\u1ea5p d\u1eabn c\u1ee7a lo\u1ea1i m\u00e1i n\u00e0y. Ch\u1eb3ng h\u1ea1n, m\u00e1i h\u00f4ng (b\u1ed1n l\u1ea7n tr\u00f4i) c\u00f3 \u0111\u1ed9 ph\u1ee9c t\u1ea1p h\u00ecnh h\u1ecdc h\u01a1n. V\u00ed d\u1ee5, h\u00e3y xem x\u00e9t vi\u1ec7c t\u00ednh to\u00e1n m\u1ed9t m\u00e1i nh\u00e0 \u0111\u1ed1i x\u1ee9ng v\u1edbi hai con d\u1ed1c. Kh\u00f3 t\u00ednh h\u01a1n \u0111\u1ec3 t\u00ednh to\u00e1n v\u00e0 x\u00e2y d\u1ef1ng.<\/p>\n<p>N\u00f3 t\u00ednh to\u00e1n chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1c b\u00e8, \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo c\u1eb7p. S\u1eed d\u1ee5ng th\u00f9ng, m\u1ed7i c\u1eb7p n\u00e0y k\u1ebft n\u1ed1i v\u1edbi c\u00e1c trang tr\u1ea1i Rafter g\u1ea7n \u0111\u00f3. C\u00f3 nh\u1eefng chi\u1ebfc gi\u01b0\u1eddng h\u00ecnh tam gi\u00e1c \u1edf m\u1ed7i \u0111\u1ea7u c\u1ee7a m\u00e1i nh\u00e0. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0, g\u00f3c s\u1ebd ch\u1ec9 ra chi\u1ec1u d\u00e0i c\u1ee7a b\u00e8. L\u00e0m c\u00e1ch n\u00e0o \u0111\u1ec3 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn \u0111\u00fang? \u0110i\u1ec1u n\u00e0y s\u1ebd ti\u1ebft l\u1ed9 c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n<h3>Ch\u1ecdn chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t<\/h3>\n<p>B\u1ea5t c\u1ee9 ai \u0111\u00e3 \u0111i du l\u1ecbch \u0111\u1ebfn Scandinavia ho\u1eb7c c\u00e1c qu\u1ed1c gia Baltic c\u00f3 l\u1ebd \u0111\u00e3 nh\u1eadn th\u1ea5y r\u1eb1ng m\u00e1i nh\u00e0 c\u1ee7a nh\u1eefng ng\u00f4i nh\u00e0 l\u00e0ng \u0111\u1ec1u b\u1ecb l\u1edfm ch\u1edfm. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c g\u00e2y ra b\u1edfi r\u1ea5t nhi\u1ec1u l\u01b0\u1ee3ng m\u01b0a, \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch b\u1edfi kh\u00ed h\u1eadu v\u1eeba ph\u1ea3i v\u00e0 s\u1ef1 th\u1ed1ng tr\u1ecb tr\u00ean bi\u1ec3n. M\u1ed9t m\u00e1i nh\u00e0 nh\u01b0 v\u1eady l\u00e0m cho n\u01b0\u1edbc ngay l\u1eadp t\u1ee9c, v\u00e0 tuy\u1ebft kh\u00f4ng bao gi\u1edd \u1edf l\u1ea1i. Tuy nhi\u00ean, vi\u1ec7c \u0111i thuy\u1ec1n l\u1edbn c\u1ee7a nh\u1eefng m\u00e1i nh\u00e0 nh\u01b0 v\u1eady kh\u00f4ng ph\u1ea3i l\u00e0 r\u1ea5t quan tr\u1ecdng, v\u00ec c\u00e1c khu \u0111\u1ecbnh c\u01b0 n\u00e0y lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi nh\u1eefng c\u01a1n gi\u00f3 m\u1ea1nh b\u1edfi nh\u1eefng ng\u1ecdn \u0111\u1ed3i r\u1eebng g\u1ea7n \u0111\u00f3.<\/p>\n<p>B\u1edfi v\u00ec c\u00f3 r\u1ea5t \u00edt l\u01b0\u1ee3ng m\u01b0a \u1edf nh\u1eefng khu v\u1ef1c hoang v\u1eafng, nh\u1eefng ng\u00f4i nh\u00e0 \u1ea2 R\u1eadp c\u00f3 m\u00e1i b\u1eb1ng. Nh\u01b0ng \u1edf nh\u1eefng khu v\u1ef1c n\u00e0y, gi\u00f3 m\u1ea1nh, kh\u00f4 r\u00e1o x\u1ea3y ra.<\/p>\n<p>Nh\u1eefng ng\u00f4i nh\u00e0 c\u00f3 h\u00ecnh d\u1ea1ng m\u00e1i ho\u00e0n to\u00e0n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u1eefng ng\u00f4i nh\u00e0 g\u1ea7n b\u1eb1ng ph\u1eb3ng ho\u1eb7c cong, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong c\u00f9ng m\u1ed9t khu v\u1ef1c n\u01a1i gi\u00f3 gi\u1eefa. \u0110i\u1ec1u n\u00e0y l\u00e0 do ch\u00e8o thuy\u1ec1n k\u00e9m ho\u1eb7c h\u1ee3p l\u00fd l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 ch\u00ednh.<\/p>\n<p>Ngo\u00e0i ra, m\u1eb7c d\u00f9 nh\u1eefng ng\u00f4i nh\u00e0 n\u00e0y \u0111\u00e3 t\u1eebng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo b\u1ea3n n\u0103ng d\u1ef1a tr\u00ean kinh nghi\u1ec7m c\u1ee7a c\u00e1c th\u1ebf h\u1ec7, c\u00e1c b\u1ed9 quy \u0111\u1ecbnh x\u00e1c \u0111\u1ecbnh t\u1ea3i tuy\u1ebft v\u00e0 gi\u00f3 tr\u00ean m\u00e1i hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n cho c\u00e1c khu v\u1ef1c kh\u00e1c nhau c\u1ee7a Nga. C\u1ee5 th\u1ec3, \u0111\u00e2y l\u00e0 SP20.13330.2011, \u0111\u01b0\u1ee3c t\u1ea1o ra d\u1ef1a tr\u00ean &quot;t\u1ea3i v\u00e0 \u1ea3nh h\u01b0\u1edfng&quot; (Snip 2.01.07-85*). Ch\u1eb3ng h\u1ea1n, \u1edf trung t\u00e2m c\u1ee7a \u0111\u1ea5t n\u01b0\u1edbc, n\u00ean \u0111\u1eb7t \u0111\u1ed9 cao c\u1ee7a Ridge sao cho \u0111\u1ed9 nghi\u00eang c\u1ee7a c\u00e1c s\u01b0\u1eddn d\u1ed1c n\u1eb1m trong kho\u1ea3ng t\u1eeb ba m\u01b0\u01a1i \u0111\u1ebfn b\u1ed1n m\u01b0\u01a1i l\u0103m \u0111\u1ed9. Chi\u1ec1u d\u00e0i c\u1ee7a b\u00e8 v\u00e0 chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t m\u00e1i \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng g\u00f3c n\u00e0y.<\/p>\n<h3>T\u00ednh to\u00e1n chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0<\/h3>\n<p>B\u00e2y gi\u1edd ch\u00fang ta th\u1ea3o lu\u1eadn v\u1ec1 h\u00ecnh h\u1ecdc \u1edf tr\u01b0\u1eddng. Ch\u00fang ta c\u1ea7n h\u00ecnh dung m\u00e1i nh\u00e0 c\u1ee7a ch\u00fang ta nh\u01b0 m\u1ed9t h\u00ecnh tam gi\u00e1c, \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb t\u1ea5t c\u1ea3 c\u00e1c nh\u00e2n vi\u00ean c\u1ee7a n\u00f3. M\u1ed9t tam gi\u00e1c nh\u01b0 th\u1ebf s\u1ebd th\u1eadt ngu ng\u1ed1c. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai h\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt d\u1ecdc theo tr\u1ee5c \u0111\u1ed1i x\u1ee9ng. M\u1ed9t ch\u00e2n (a), c\u00f3 m\u1ed9t n\u1eeda chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0, l\u00e0 m\u1ed9t ch\u00e2n m\u00e0 ch\u00fang ta quen thu\u1ed9c. Chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 c\u1ee7a ch\u00fang t\u00f4i l\u00e0 gia s\u00fac th\u1ee9 hai (b), ch\u01b0a \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn. A * TG \u03b1 = B, trong \u0111\u00f3 \u03b1 l\u00e0 g\u00f3c m\u00e1i \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong Quy t\u1eafc.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c b\u1ea3ng to\u00e1n h\u1ecdc ho\u1eb7c m\u00e1y t\u00ednh k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u00ecm ti\u1ebfp tuy\u1ebfn c\u1ee7a g\u00f3c n\u00e0y. Chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng k\u1ebft qu\u1ea3 catte b.<\/p>\n<p>B\u1eb1ng c\u00e1ch bi\u1ebft gi\u00e1 tr\u1ecb c\u1ee7a m\u1ed7i ch\u00e2n, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ea1 huy\u1ebft \u00e1p. \u0110\u00e2y l\u00e0 chi\u1ec1u d\u00e0i g\u1ea7n \u0111\u00fang c\u1ee7a b\u00e8. Tuy nhi\u00ean, chi\u1ec1u d\u00e0i c\u1ee7a b\u00e8 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng v\u00ec m\u00e1i nh\u00e0 th\u01b0\u1eddng xuy\u00ean treo tr\u00ean t\u01b0\u1eddng c\u1ee7a ng\u00f4i nh\u00e0. \u1ede \u0111\u00e2y, m\u1ecdi th\u1ee9 \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o ki\u1ebfn \u200b\u200btr\u00fac c\u1ee7a t\u00f2a nh\u00e0 c\u1ee5 th\u1ec3.<\/p>\n<p>B\u1eb1ng c\u00e1ch treo m\u1ed9t t\u1ea5m che ph\u00eda tr\u00ean c\u00e1c b\u00e0n \u0111\u1ea1p v\u00e0 \u0111o chi\u1ec1u d\u00e0i c\u1ee7a m\u00e1i nh\u00e0, trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y c\u00f3 th\u1ec3 v\u01b0\u1ee3t ra ngo\u00e0i ranh gi\u1edbi c\u1ee7a ng\u00f4i nh\u00e0, ch\u00fang ta \u0111\u00e3 c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh di\u1ec7n t\u00edch c\u1ee7a m\u00e1i nh\u00e0 v\u00e0 do \u0111\u00f3, s\u1ed1 l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u1ee3p c\u1ea7n thi\u1ebft.<\/p>\n<p>Gi\u1ea3 s\u1eed r\u1eb1ng ng\u00f4i nh\u00e0 r\u1ed9ng s\u00e1u m\u00e9t. C\u1eaft n\u00f3 l\u00e0m \u0111\u00f4i \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c 3 m. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng con b\u00f2 c\u1ee7a ch\u00fang t\u00f4i. G\u00f3c d\u1ed1c 45 \u00b0 \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch khi x\u00e2y d\u1ef1ng m\u1ed9t ng\u00f4i nh\u00e0 \u1edf m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3. Tg 45 \u00b0 = 3 * b = 3 * 1<\/p>\n<p>Tuy nhi\u00ean, ngay c\u1ea3 khi kh\u00f4ng s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 suy ra r\u1eb1ng tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt c\u1ee7a ch\u00fang t\u00f4i s\u1ebd c\u00f3 chi\u1ec1u ngang \u1edf g\u00f3c \u0111\u1ed9 nghi\u00eang 45 \u00b0. N\u00f3i c\u00e1ch kh\u00e1c, r\u00f5 r\u00e0ng l\u00e0 chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 s\u1ebd l\u00e0 3 m\u00e9t, ho\u1eb7c m\u1ed9t n\u1eeda chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0, ngay c\u1ea3 khi kh\u00f4ng c\u00f3 b\u1ea3ng v\u00e0 m\u00e1y t\u00ednh.<\/p>\n<p>T\u00ednh to\u00e1n ch\u00ednh x\u00e1c c\u1ee7a chi\u1ec1u cao m\u00e1i \u0111\u1ea7u h\u1ed3i \u0110\u1ed9 d\u00e0i c\u1ee7a b\u00e8, \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i, ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n cho m\u00e1i nh\u00e0 \u0111\u1ea7u h\u1ed3i truy\u1ec1n th\u1ed1ng c\u1ee7a Nga. V\u1edbi s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a th\u00f9ng, m\u1ed7i c\u1eb7p n\u00e0y \u0111\u1ec1u tham gia.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-rasschitat-vysotu-kryshi_2.jpg\"><\/p>\n<h2>C\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0: T\u00ednh to\u00e1n chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t c\u1ee7a ng\u00f4i nh\u00e0<\/h2>\n<p>M\u00e1i nh\u00e0 c\u1ee7a ng\u00f4i nh\u00e0 \u0111\u00f3ng vai tr\u00f2 l\u00e0 r\u00e0o c\u1ea3n ch\u00ednh \u0111\u1ec3 tr\u00e1nh h\u01a1i \u1ea9m kh\u00f4ng b\u1ecb ch\u1ea3y ho\u1eb7c m\u01b0a v\u00e0 kh\u00f4ng kh\u00ed l\u1ea1nh v\u00e0o ph\u00f2ng kh\u00e1ch. N\u1ebfu chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t m\u00e1i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, n\u00f3 s\u1ebd lo\u1ea1i b\u1ecf kh\u1ed1i l\u01b0\u1ee3ng tuy\u1ebft v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00ed quy\u1ec3n t\u1eeb b\u1ec1 m\u1eb7t c\u1ee7a Slope, ng\u0103n ch\u1eb7n t\u1ea3i tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng Rafter t\u0103ng. Trong b\u00e0i \u0111\u0103ng n\u00e0y, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n trong qu\u00e1 tr\u00ecnh t\u00ednh chi\u1ec1u cao m\u00e1i nh\u00e0 c\u1ee7a ng\u00f4i nh\u00e0 v\u00e0 gi\u1ea3i th\u00edch c\u00e1ch n\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u1ea5u tr\u00fac l\u1ee3p.<\/p>\n<h3>X\u00e1c \u0111\u1ecbnh v\u00e0 ch\u1ee9c n\u0103ng<\/h3>\n<p>T\u00ednh to\u00e1n ch\u00ednh x\u00e1c t\u1ef7 l\u1ec7 chi\u1ec1u r\u1ed9ng v\u1edbi chi\u1ec1u d\u00e0i c\u1ee7a t\u00f2a nh\u00e0 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a m\u00e1i nh\u00e0 l\u00e0 h\u00e0i h\u00f2a v\u00e0 b\u1ed5 sung h\u1eefu c\u01a1 k\u1ebf ho\u1ea1ch ki\u1ebfn \u200b\u200btr\u00fac c\u1ee7a ng\u00f4i nh\u00e0. Theo c\u00e1ch n\u00f3i x\u00e2y d\u1ef1ng, chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa trung t\u00e2m c\u1ee7a c\u0103n c\u1ee9 c\u1ee7a m\u00e1i nh\u00e0 v\u00e0 \u0111i\u1ec3m cao nh\u1ea5t c\u1ee7a n\u00f3. Tham s\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh sau c\u1ee7a thi\u1ebft k\u1ebf:<\/p>\n<ol>\n<li>G\u00f3c d\u1ed1c c\u1ee7a \u0111\u1ed9 d\u1ed1c m\u00e1i. Con ng\u1ef1a c\u00e0ng cao, \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 c\u00e0ng m\u00e1t. Tr\u00ean l\u00e3nh th\u1ed5 mi\u1ec1n trung n\u01b0\u1edbc Nga, n\u01a1i n\u1ed5i ti\u1ebfng v\u1edbi m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn l\u01b0\u1ee3ng m\u01b0a m\u00f9a \u0111\u00f4ng, m\u01b0a k\u00e9o d\u00e0i v\u00e0o m\u00f9a thu, n\u00ean ch\u1ecdn g\u00f3c \u0111\u1ed9 nghi\u00eang c\u1ee7a c\u00e1c s\u01b0\u1eddn d\u1ed1c trong v\u00f2ng 20-50 \u0111\u1ed9.<\/li>\n<li>Qu\u1ea3ng tr\u01b0\u1eddng Skatov. M\u00e1i c\u00e0ng cao, di\u1ec7n t\u00edch c\u00f3 \u0111\u1ed9 d\u1ed1c c\u00e0ng l\u1edbn, do \u0111\u00f3 chi ph\u00ed c\u1ee7a t\u1ea5m l\u1ee3p, c\u0169ng nh\u01b0 v\u1eadt li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t khung Rafter, t\u0103ng.<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a khung. V\u1edbi s\u1ef1 gia t\u0103ng chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0, tr\u1ecdng l\u01b0\u1ee3ng t\u0103ng v\u00e0 do \u0111\u00f3, t\u1ea3i tr\u1ecdng t\u1eeb chi\u1ebfc b\u00e1nh tr\u00ean m\u00e1i nh\u00e0, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u1ea7n ph\u1ea3i t\u0103ng c\u01b0\u1eddng c\u1ea5u tr\u00fac c\u1ee7a c\u1ea5u tr\u00fac v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 b\u1ed5 sung.<\/li>\n<\/ol>\n<p>Ch\u1ee7 y\u1ebfu! C\u00f3 hai c\u00e1ch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0: ho\u1eb7c x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 tr\u01b0\u1edbc, v\u00e0 sau \u0111\u00f3 x\u00e1c \u0111\u1ecbnh c\u00e1i n\u00e0o y\u00eau c\u1ea7u x\u00e1c \u0111\u1ecbnh g\u00f3c d\u1ed1c c\u1ee7a \u0111\u1ed9 d\u1ed1c ho\u1eb7c t\u00ednh to\u00e1n tham s\u1ed1 n\u00e0y d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc c\u1ee7a \u0111\u1ed9 d\u1ed1c mong mu\u1ed1n.<\/p>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 l\u1ef1a ch\u1ecdn<\/h3>\n<p>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ho\u1ea1t \u0111\u1ed9ng v\u00e0 k\u1ef9 thu\u1eadt c\u1ee7a ng\u00f4i nh\u00e0 b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 b\u1edfi chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0. N\u00f3 s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n v\u00e0 y\u00eau c\u1ea7u \u00edt ch\u0103m s\u00f3c v\u00e0 b\u1ea3o tr\u00ec h\u01a1n n\u1ebfu b\u1ea1n t\u00ednh to\u00e1n ch\u00ednh x\u00e1c v\u00e0 sau \u0111\u00f3 t\u1ea1o m\u1ed9t d\u1ef1 \u00e1n m\u00e1i ph\u00f9 h\u1ee3p v\u1edbi kh\u00ed h\u1eadu v\u00e0 s\u1eed d\u1ee5ng d\u1ef1 \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac. C\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u00e2y \u0111\u01b0\u1ee3c xem x\u00e9t khi thi\u1ebft k\u1ebf m\u00e1i nh\u00e0 c\u1ee7a ng\u00f4i nh\u00e0:<\/p>\n<ul>\n<li>L\u01b0\u1ee3ng m\u01b0a. L\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh h\u00e0ng n\u0103m trong khu v\u1ef1c x\u00e2y d\u1ef1ng c\u00e0ng l\u1edbn th\u00ec c\u00e0ng cao.<\/li>\n<li>S\u1ee9c m\u1ea1nh v\u00e0 h\u01b0\u1edbng gi\u00f3. \u1ede c\u00e1c v\u00f9ng c\u00f3 gi\u00f3, n\u00ean x\u00e2y d\u1ef1ng c\u00e1c c\u1ea5u tr\u00fac h\u00e0nh \u0111\u1ed9ng th\u1ea5p v\u1edbi m\u1ed9t c\u00e1i c\u00e0y th\u1ea5p, l\u0103n, do \u0111\u00f3 n\u00f3 kh\u00f4ng tho\u00e1t kh\u1ecfi nh\u1eefng c\u01a1n gi\u00f3 nhanh kh\u00f4ng kh\u00ed.<\/li>\n<li>B\u1ea3n ch\u1ea5t c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ph\u00f2ng. N\u1ebfu d\u1ef1 \u00e1n nh\u00e0 cung c\u1ea5p cho vi\u1ec7c x\u00e2y d\u1ef1ng m\u1ed9t c\u0103n g\u00e1c d\u00e2n c\u01b0, th\u00ec chi\u1ec1u cao c\u1ee7a s\u01b0\u1eddn n\u00fai n\u00ean \u00edt nh\u1ea5t l\u00e0 2.5 m.<\/li>\n<\/ul>\n<p>H\u00e3y l\u01b0u \u00fd r\u1eb1ng chi\u1ec1u cao v\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc d\u1ef1 \u00e1n, v\u00ec c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn thi\u1ebft k\u1ebf khung v\u00e0 l\u1ef1a ch\u1ecdn l\u1ee3p m\u00e1i Rafter.<\/p>\n<h3>Th\u1ee7 t\u1ee5c t\u00ednh to\u00e1n<\/h3>\n<p>Ngay c\u1ea3 khi kh\u00f4ng c\u00f3 m\u1ed9t m\u00e1y t\u00ednh chuy\u00ean d\u1ee5ng tr\u00ean tay, vi\u1ec7c t\u00ecm ra chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 kh\u00e1 d\u1ec5 d\u00e0ng. N\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c t\u00ednh to\u00e1n l\u00e0 \u00fd t\u01b0\u1edfng r\u1eb1ng c\u1eaft th\u1eb3ng \u0111\u1ee9ng c\u1ee7a m\u00e1i nh\u00e0 t\u1ea1o th\u00e0nh m\u1ed9t tam gi\u00e1c c\u00e2n. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n tam gi\u00e1c c\u00f4ng b\u1eb1ng, ch\u00fang ta c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t b\u1eb1ng c\u00e1c c\u00f4ng th\u1ee9c h\u00ecnh h\u1ecdc:<\/p>\n<ol>\n<li>\u0110\u1ea7u ti\u00ean ch\u00fang ta c\u1ea7n \u0111o chi\u1ec1u r\u1ed9ng c\u1ee7a c\u1ea5u tr\u00fac, sau \u0111\u00f3 chia gi\u00e1 tr\u1ecb n\u00e0y cho 2.<\/li>\n<li>Sau \u0111\u00f3, b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u1ed9 d\u1ed1c, ngh\u0129a l\u00e0 t\u00ednh to\u00e1n g\u00f3c gi\u1eefa \u0111\u00e1y c\u1ee7a m\u00e1i nh\u00e0 v\u00e0 b\u1ec1 m\u1eb7t c\u1ee7a \u0111\u1ed9 d\u1ed1c.<\/li>\n<li>H\u00e0nh \u0111\u1ed9ng ti\u1ebfp theo m\u00e0 ch\u00fang t\u00f4i, theo b\u1ea3ng Brandis ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh k\u1ef9 thu\u1eadt, x\u00e1c \u0111\u1ecbnh ti\u1ebfp tuy\u1ebfn c\u1ee7a g\u00f3c \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi \u0111\u1ebf c\u1ee7a m\u00e1i nh\u00e0 v\u00e0 \u0111\u1ed9 d\u1ed1c.<\/li>\n<li>Sau \u0111\u00f3, ch\u00fang t\u00f4i nh\u00e2n m\u1ed9t n\u1eeda chi\u1ec1u r\u1ed9ng c\u1ee7a c\u1ea5u tr\u00fac ch\u1ed3ng ch\u00e9o v\u1edbi ti\u1ebfp tuy\u1ebfn c\u1ee7a g\u00f3c gi\u1eefa \u0111\u01b0\u1eddng d\u1ed1c v\u00e0 \u0111\u1ebf c\u1ee7a m\u00e1i nh\u00e0, nh\u1eadn \u0111\u01b0\u1ee3c chi\u1ec1u cao c\u1ee7a skate.<\/li>\n<\/ol>\n<p>C\u00e1c ngh\u1ec7 nh\u00e2n l\u00e0nh ngh\u1ec1 t\u01b0 v\u1ea5n ch\u1ecdn chi\u1ec1u cao tr\u01b0\u1ee3t b\u0103ng s\u1ebd cho ph\u00e9p m\u00e1i nh\u00e0 d\u1ed1c t\u1eeb 25 \u0111\u1ebfn 45 \u0111\u1ed9. Thi\u1ebft k\u1ebf c\u00f3 t\u1ef7 l\u1ec7 gi\u00e1 tr\u00ean ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 tho\u00e1t n\u01b0\u1edbc \u1edf c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y.<\/p>\n<p>T\u00ecm chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t c\u1ee7a ng\u00f4i nh\u00e0 s\u1ebd gi\u00fap b\u1ea1n x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0. L\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 t\u00ecm ra m\u00e1i nh\u00e0 cao bao nhi\u00eau? \u0110i\u1ec1u ki\u1ec7n cho ch\u1ec9 b\u00e1o n\u00e0y l\u00e0 g\u00ec? C\u00e1c k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u00ecm ra chi\u1ec1u cao tr\u01b0\u1ee3t tr\u00ean m\u00e1i nh\u00e0 m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh chuy\u00ean ng\u00e0nh.<\/p>\n<p><iframe src=\"https:\/\/www.youtube.com\/embed\/4PwHqWQep4A\"><\/iframe><\/p>\n<h2>C\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 &#8211; 3 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00f4ng th\u1ee9c khung g\u1ea7m<\/h2>\n<p>M\u1ed9t t\u00ednh to\u00e1n c\u00f3 th\u1ea9m quy\u1ec1n lu\u00f4n l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a b\u1ea5t k\u1ef3 c\u00f4ng tr\u00ecnh n\u00e0o v\u00e0 s\u1ebd lu\u00f4n. Trong tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t, t\u00f2a nh\u00e0 s\u1ebd s\u1ee5p \u0111\u1ed5 v\u00e0 trong tr\u01b0\u1eddng h\u1ee3p t\u1ed1t nh\u1ea5t, ch\u1ee7 s\u1edf h\u1eefu s\u1ebd ph\u1ea3i tr\u1ea3 nhi\u1ec1u ti\u1ec1n h\u01a1n. Qu\u00e1 tr\u00ecnh x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao tr\u01b0\u1ee3t b\u0103ng cho b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng Rafter n\u00e0o t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 d\u00e0ng, nh\u01b0ng n\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1. Ch\u00fang t\u00f4i s\u1ebd ki\u1ec3m tra ba y\u1ebfu t\u1ed1 ch\u00ednh v\u00e0 cung c\u1ea5p cho b\u1ea1n c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n.<\/p>\n<p>C\u1ea5u h\u00ecnh c\u1ee7a c\u00e1c lo\u1ea1i m\u00e1i kh\u00e1c nhau.<\/p>\n<h3>Ba y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0<\/h3>\n<p>Ch\u00fang ta s\u1ebd b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch th\u1ea3o lu\u1eadn v\u1ec1 thu\u1eadt ng\u1eef. N\u00f3 l\u00e0 th\u00f4ng th\u01b0\u1eddng \u0111\u1ec3 tham kh\u1ea3o d\u00f2ng tr\u00ean c\u1ee7a c\u00e1c kh\u1edbp n\u1ed1i tr\u00ean m\u00e1i nh\u00e0 ch\u00ednh x\u00e1c n\u00e0y l\u00e0 v\u00e1n tr\u01b0\u1ee3t. H\u01a1n n\u1eefa, \u0111\u01b0\u1eddng ngang ch\u00ednh x\u00e1c l\u00e0 con ng\u1ef1a. Ch\u1eb3ng h\u1ea1n, chi\u1ec1u cao c\u1ee7a \u0111i\u1ec3m tr\u00ean c\u1ee7a k\u1ebft n\u1ed1i s\u01b0\u1eddn d\u1ed1c \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, n\u1ebfu m\u00e1i l\u1ec1u b\u1ed1n m\u1eb7t thi\u1ebfu m\u1ed9t \u0111\u01b0\u1eddng ngang.<\/p>\n<p>H\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi ph\u1ea7n l\u1edbn c\u00e1c lo\u1ea1i m\u00e1i.<\/p>\n<p>T\u00ednh to\u00e1n m\u00e1i \u0111\u1ea7u h\u1ed3i c\u1ee7a t\u00f2a nh\u00e0, s\u1eed d\u1ee5ng h\u00ecnh tam gi\u00e1c, \u0111\u01b0\u1ee3c cho l\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t. Hai h\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt, \u0111\u00f3ng vai tr\u00f2 l\u00e0 nh\u00e2n v\u1eadt ch\u00ednh trong c\u00e1c t\u00ednh to\u00e1n, \u0111\u01b0\u1ee3c t\u1ea1o ra n\u1ebfu ch\u00fang ta v\u1ebd m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng t\u1eeb s\u01b0\u1eddn n\u00fai \u0111\u1ebfn c\u01a1 s\u1edf.<\/p>\n<p>Tuy nhi\u00ean, khi ki\u1ec3m tra c\u1ea9n th\u1eadn, g\u1ea7n nh\u01b0 m\u1ecdi lo\u1ea1i c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp th\u00e0nh c\u00e1c h\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt gi\u1ed1ng h\u1ec7t nhau.<\/p>\n<p>T\u00ednh to\u00e1n kh\u00f4n ngoan, c\u1ea5u tr\u00fac \u0111\u1ea7u h\u1ed3i l\u00e0 \u0111\u01a1n gi\u1ea3n nh\u1ea5t.<\/p>\n<p>Ngo\u1ea1i l\u1ec7 duy nh\u1ea5t l\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh h\u00ecnh v\u00f2m, nh\u01b0ng v\u00ec kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u00fang ta c\u00f3 th\u1ec3 t\u1ef1 m\u00ecnh x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea5u tr\u00fac lo\u1ea1i \u0111\u00f3 m\u00e0 kh\u00f4ng c\u00f3 k\u1ebf ho\u1ea1ch.<\/p>\n<p>Y\u1ebfu t\u1ed1 kh\u00f4ng. 1: Thi\u00ean nhi\u00ean l\u00e0 kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i<\/p>\n<p>Ch\u00fang ta ch\u1ec9 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed quy\u1ec3n trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u1ee5 th\u1ec3 l\u00e0 gi\u00f3, m\u01b0a v\u00e0 tuy\u1ebft. B\u1edfi v\u00ec kh\u00f4ng c\u00f3 m\u1ed1i t\u01b0\u01a1ng quan gi\u1eefa chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t v\u00e0 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a ng\u00f4i nh\u00e0 trong c\u00e1c tr\u1eadn \u0111\u1ed9ng \u0111\u1ea5t.<\/p>\n<p>B\u1ea1n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh m\u00f4i tr\u01b0\u1eddng v\u00ec th\u1eadt ngu ng\u1ed1c khi c\u1ed1 g\u1eafng v\u01b0\u1ee3t tr\u1ed9i h\u01a1n:<\/p>\n<ul>\n<li><strong>T\u1ea3i tr\u1ecdng gi\u00f3<\/strong> &#8211; \u1ede nh\u1eefng khu v\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1eb7c tr\u01b0ng b\u1edfi gi\u00f3 b\u00e3o th\u01b0\u1eddng xuy\u00ean, n\u00ean t\u1ea1o ra m\u1ed9t \u0111\u1ed9 d\u1ed1c m\u00e1i kh\u00f4ng qu\u00e1 10 \u0111\u1ed9, t\u1ed1i \u0111a l\u00e0 15 \u0111\u1ed9, nh\u01b0ng may m\u1eafn l\u00e0 ch\u00fang ta c\u00f3 m\u1ed9t ch\u00fat nh\u1eefng n\u01a1i nh\u01b0 v\u1eady. Trong c\u00e1c v\u00f9ng th\u1ea3o nguy\u00ean v\u00e0 bao ph\u1ee7 v\u1eeba ph\u1ea3i, t\u1ed1i \u0111a l\u00e0 kho\u1ea3ng 40 \u0111\u1ed9,<\/li>\n<li><strong>L\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh<\/strong> &#8211; Ch\u1ec9 c\u00f3 m\u01b0a t\u1eeb c\u00e1i nh\u00ecn \u0111\u1ea7u ti\u00ean c\u00f3 v\u1ebb v\u00f4 h\u1ea1i. T\u1eeb m\u1ed9t m\u00e1i nh\u00e0 nh\u1eb9 nh\u00e0ng, n\u01b0\u1edbc ch\u1ea3y ch\u1eadm h\u01a1n, theo \u0111\u00f3 x\u00e1c su\u1ea5t r\u00f2 r\u1ec9 t\u0103ng l\u00ean, v\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t t\u1ea3i tr\u1ecdng b\u1ed5 sung ch\u1ee7 y\u1ebfu tr\u00ean v\u1eadt li\u1ec7u l\u1ee3p v\u00e0 m\u1ed9t ph\u1ea7n tr\u00ean h\u1ec7 th\u1ed1ng Rafter. T\u1ed1i \u01b0u l\u00e0 \u0111\u1ed9 d\u1ed1c c\u1ee7a 45\u00ba,<\/li>\n<li><strong>T\u1ea3i tuy\u1ebft<\/strong> &#8211; \u1ede Nga, m\u1ee9c \u0111\u1ed9 che ph\u1ee7 tuy\u1ebft kh\u00e1 cao v\u00e0 \u0111\u1ed9 d\u1ed1c c\u00e0ng m\u00e1t, c\u00e0ng \u00edt v\u1ea5n \u0111\u1ec1 v\u1edbi tuy\u1ebft. \u0110\u01b0\u1ee3c bi\u1ebft r\u1eb1ng \u0111\u1ec3 tuy\u1ebft t\u1ef1 \u0111i, \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 ph\u1ea3i kho\u1ea3ng 50-60 \u0111\u1ed9. N\u1ebfu \u0111\u1ed9 d\u1ed1c l\u00e0 t\u1eeb 30 \u0111\u1ed9 \u0111\u1ebfn 50 \u0111\u1ed9, th\u00ec vi\u1ec7c t\u1ef1 h\u1ecdc m\u00e1i nh\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u l\u1ee3p, v\u00e0 \u0111\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c.<\/li>\n<\/ul>\n<p>M\u1ed9t trong nh\u1eefng c\u00e2n nh\u1eafc quan tr\u1ecdng nh\u1ea5t trong c\u00e1c t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c cho l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed quy\u1ec3n.<\/p>\n<p>D\u1ecbch v\u1ee5 th\u1eddi ti\u1ebft khu v\u1ef1c c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng tin \u0111\u00e3 n\u00f3i \u1edf tr\u00ean ho\u1eb7c b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng hai t\u00e0i li\u1ec7u th\u00edch h\u1ee3p. Snip 23-01-99 l\u00e0 t\u00e0i li\u1ec7u \u0111\u1ea7u ti\u00ean v\u00e0 l\u00e0 m\u1ed9t b\u1ed9 b\u1ea3n \u0111\u1ed3 kh\u00e1i qu\u00e1t trong c\u00e1c qu\u1eadn c\u1ee7a SP 20.13330.2011 l\u00e0 th\u1ee9 hai.<\/p>\n<p>Y\u1ebfu t\u1ed1 kh\u00f4ng. 2: V\u1eadt li\u1ec7u cho m\u00e1i nh\u00e0<\/p>\n<p>V\u1eadt li\u1ec7u b\u1ea1n d\u1ef1 \u0111\u1ecbnh s\u1eed d\u1ee5ng \u0111\u1ec3 che ph\u1ee7 m\u00e1i nh\u00e0 b\u1ecb \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp b\u1edfi g\u00f3c \u0111\u1ed9 nghi\u00eang c\u1ee7a c\u00e1c s\u01b0\u1eddn d\u1ed1c. D\u1ec5 d\u00e0ng h\u01a1n \u0111\u1ec3 nh\u1edb l\u1ea1i m\u1ed9t v\u00e0i h\u01b0\u1edbng d\u1eabn chung v\u00ec h\u1ea7u h\u1ebft c\u00e1c t\u00e0i li\u1ec7u th\u01b0\u1eddng bao g\u1ed3m th\u00f4ng tin v\u1ec1 ph\u1ea1m vi g\u00f3c \u0111\u1ed9 gi\u1edbi thi\u1ec7u. Tuy nhi\u00ean, th\u00f4ng tin n\u00e0y v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n<p>Chi\u1ec1u cao c\u1ee7a v\u00e1n tr\u01b0\u1ee3t v\u00e0 lo\u1ea1i m\u00e1i c\u00f3 li\u00ean quan.<\/p>\n<ul>\n<li>N\u1ebfu v\u1eadt li\u1ec7u l\u00e0 m\u1ea3nh, v\u00ed d\u1ee5, g\u1ea1ch g\u1ed1m ho\u1eb7c bitum, th\u00ec g\u00f3c nghi\u00eang n\u00ean c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t, b\u1edfi v\u00ec c\u00f3 qu\u00e1 nhi\u1ec1u m\u00f3c tr\u00ean m\u1eb7t ph\u1eb3ng nh\u01b0 v\u1eady, s\u1ebd c\u00f3 m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 \u0111\u1ec3 gi\u1eef,<\/li>\n<li>Tr\u00ean c\u00e1c s\u01b0\u1eddn d\u1ed1c nh\u1eb9 nh\u00e0ng \u0111\u01b0\u1ee3c \u01b0u ti\u00ean l\u00e0 m\u1ecbn m\u00e0ng v\u00e0 l\u1edbn. N\u1ebfu tr\u01b0\u1edbc \u0111\u00f3 l\u00e0 \u0111\u00e1 phi\u1ebfn, b\u00e2y gi\u1edd, theo c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a tr\u01b0\u1ee3t, th\u00ec n\u00f3 \u0111\u00e3 b\u1ecb v\u01b0\u1ee3t qua \u0111\u00e1ng k\u1ec3, g\u1ea1ch kim lo\u1ea1i v\u00e0 t\u1ea5m s\u00f3ng. Ngo\u00e0i ra c\u00f2n c\u00f3 m\u1ed9t m\u00e1i nh\u00e0 g\u1ea5p, nh\u01b0ng n\u00f3 c\u00f3 gi\u00e1 cao h\u01a1n, do \u0111\u00f3 n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n,<\/li>\n<li>C\u00e1c v\u1eadt li\u1ec7u n\u1eb7ng, ch\u1eb3ng h\u1ea1n nh\u01b0 g\u1ea1ch g\u1ed1m, t\u00ecnh y\u00eau d\u1ed1c, b\u1edfi v\u00ec tr\u00ean nh\u1eefng con d\u1ed1c nh\u1eb9 nh\u00e0ng d\u01b0\u1edbi ch\u00fang, b\u1ea1n c\u1ea7n ph\u1ea3i g\u1eafn k\u1ebft m\u1ed9t h\u1ec7 th\u1ed1ng Rafter m\u1ea1nh m\u1ebd h\u01a1n nhi\u1ec1u.<\/li>\n<\/ul>\n<p>Lo\u1ea1i v\u1eadt li\u1ec7u l\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o g\u00f3c nghi\u00eang.<\/p>\n<p>L\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u1ee3p c\u1ea7n thi\u1ebft v\u00e0 chi ph\u00ed c\u1ee7a n\u00f3 c\u0169ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi g\u00f3c nghi\u00eang c\u1ee7a \u0111\u1ed9 d\u1ed1c. Chi ph\u00ed c\u1ee7a m\u00e1i nh\u00e0 s\u1ebd t\u0103ng theo nhi\u1ec7t \u0111\u1ed9 m\u00e1t h\u01a1n. Do \u0111\u00f3, m\u1ed9t m\u00e1i nh\u00e0 c\u00f3 \u0111\u1ed9 d\u1ed1c 10 \u0111\u1ed9 s\u1ebd c\u00f3 gi\u00e1 g\u1ea5p \u0111\u00f4i so v\u1edbi m\u1ed9t v\u1edbi \u0111\u1ed9 d\u1ed1c 60 \u0111\u1ed9.<\/p>\n<p>ATTIC l\u00e0 y\u1ebfu t\u1ed1 s\u1ed1 ba.<\/p>\n<p>C\u1ea3 c\u1ea5u tr\u00fac m\u00e1i g\u00e1c m\u00e1i v\u00e0 phi t\u1eadp \u0111o\u00e0n \u0111\u1ec1u t\u1ed3n t\u1ea1i. T\u1ea7ng g\u00e1c v\u00e0 t\u1ea7ng d\u01b0\u1edbi \u0111\u01b0\u1ee3c chia trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea7u ti\u00ean, nh\u01b0ng ch\u00fang \u0111\u01b0\u1ee3c h\u1ee3p nh\u1ea5t nh\u01b0 m\u1ed9t trong s\u1ed1 th\u1ee9 hai. Trong c\u00e1c v\u00f9ng gi\u00f3, vi\u1ec7c c\u00f3 m\u1ed9t g\u00e1c m\u00e1i kh\u00f4ng c\u00f3 m\u00e1i nh\u00e0 l\u00e0 th\u1ef1c t\u1ebf h\u01a1n, v\u00ec \u0111i\u1ec1u n\u00e0y cho ph\u00e9p ti\u1ec1m n\u0103ng s\u1eafp x\u1ebfp m\u1ed9t kh\u00f4ng gian s\u1ed1ng th\u00eam.<\/p>\n<p>C\u1ea3 c\u00e1c lo\u1ea1i m\u00e1i g\u00e1c m\u00e1i v\u00e0 kh\u00f4ng li\u00ean quan \u0111\u1ec1u t\u1ed3n t\u1ea1i.<\/p>\n<p>M\u1eadt \u0111\u1ed9 d\u00e2n c\u01b0 \u0111\u01b0\u1ee3c bao g\u1ed3m v\u1edbi c\u00e1c c\u1ea5u tr\u00fac g\u00e1c m\u00e1i, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1ch kh\u00e1c. Do \u0111\u00f3, n\u1ebfu g\u00e1c m\u00e1i kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kh\u00f4ng gian d\u00e2n c\u01b0, l\u00ednh c\u1ee9u h\u1ecfa \u00edt nh\u1ea5t l\u00e0 1.Cao 6 m\u00e9t b\u00ean trong kh\u00f4ng gian b\u00ean d\u01b0\u1edbi s\u01b0\u1eddn n\u00fai.<\/p>\n<p>T\u00ednh to\u00e1n kh\u00f4ng gian h\u1eefu \u00edch trong m\u1ed9t g\u00e1c m\u00e1i \u0111\u1ea7u h\u1ed3i.<\/p>\n<p>B\u00ean &quot;g\u00e1c m\u00e1i&quot; T\u01b0\u1eddng cho ph\u00e9p g\u00e1c m\u00e1i d\u00e2n c\u01b0 cao h\u01a1n \u1edf c\u00e1c v\u1ecb tr\u00ed gi\u00f3, \u0111\u01b0\u1ee3c coi l\u00e0 k\u1ebft qu\u1ea3 tuy\u1ec7t v\u1eddi.<\/p>\n<p>T\u01b0\u1eddng g\u00e1c m\u00e1i c\u00f3 kh\u1ea3 n\u0103ng t\u0103ng di\u1ec7n t\u00edch c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ee7a g\u00e1c m\u00e1i.<\/p>\n<p>N\u1ebfu ng\u00f4i nh\u00e0 l\u00e0 m\u1ed9t c\u00e2u chuy\u1ec7n, t\u1ef7 l\u1ec7 chi\u1ec1u cao l\u00fd t\u01b0\u1edfng cho s\u01b0\u1eddn n\u00fai l\u00ean t\u1ea7ng m\u1ed9t l\u00e0 1: 1 v\u1ec1 m\u1eb7t thi\u1ebft k\u1ebf th\u1ea9m m\u1ef9. Ng\u00f4i nh\u00e0 s\u1ebd gi\u1ed1ng nh\u01b0 m\u1ed9t lo\u1ea1i n\u1ea5m n\u1ebfu b\u1ea1n l\u00e0m nhi\u1ec1u h\u01a1n, v\u00e0 n\u00f3 s\u1ebd xu\u1ea5t hi\u1ec7n xu\u1ed1ng \u0111\u1ea5t n\u1ebfu b\u1ea1n l\u00e0m \u00edt h\u01a1n.<\/p>\n<h3>C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n chi\u1ec1u cao m\u00e1i<\/h3>\n<p>S\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh m\u00e1y t\u00ednh l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean, c\u0169ng c\u00f3 th\u1ec3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ec5 nh\u1ea5t. Nh\u1eefng lo\u1ea1i ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong &quot;t\u1ea7ng h\u1ea7m&quot; c\u1ee7a trang web, b\u00ean d\u01b0\u1edbi b\u00e0i b\u00e1o, d\u01b0\u1edbi &quot;M\u00e1y t\u00ednh x\u00e2y d\u1ef1ng&quot; ph\u1ea7n.<\/p>\n<p>B\u1ea1n bi\u1ebft v\u1ec1 chi\u1ec1u r\u1ed9ng c\u1ee7a ng\u00f4i nh\u00e0 v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 mong mu\u1ed1n; Ch\u01b0\u01a1ng tr\u00ecnh s\u1ebd th\u00f4ng b\u00e1o cho b\u1ea1n v\u1ec1 c\u00e1c chi ti\u1ebft c\u00f2n l\u1ea1i v\u00e0 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt c\u1ee7a trang web.<\/p>\n<p>Nh\u01b0 \u0111\u00e3 ch\u1ec9 ra tr\u01b0\u1edbc \u0111\u00e2y, ph\u1ea7n l\u1edbn c\u00e1c m\u00e1i nh\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo h\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt \u0111\u01a1n gi\u1ea3n, v\u1edbi h\u1ea1 huy\u1ebft \u00e1p c\u1ee7a ch\u00fang ta l\u00e0 m\u1ed9t \u0111\u1ed9 d\u1ed1c m\u00e1i v\u00e0 m\u1ed9t ch\u00e2n l\u00e0 m\u1ed9t chi\u1ec1u ngang tr\u00ean \u0111\u1ebf v\u00e0 m\u1ed9t catfet l\u00e0 m\u1ed9t th\u1eb3ng \u0111\u1ee9ng t\u1eeb v\u00e1n tr\u01b0\u1ee3t \u0111\u1ebfn c\u01a1 s\u1edf.<\/p>\n<p>Ch\u00fang ta ph\u1ea3i nh\u00e2n l\u1edbp l\u00f4ng ngang v\u1edbi ti\u1ebfp tuy\u1ebfn c\u1ee7a g\u00f3c c\u1ee7a m\u00e1i nh\u00e0 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a ch\u00e2n tr\u00ean m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng (ch\u00fang ta l\u1ea5y ti\u1ebfp tuy\u1ebfn t\u1eeb b\u00e0n Brandis).<\/p>\n<p>C\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p to\u00e1n h\u1ecdc.<\/p>\n<p>C\u1ea7n l\u01b0u \u00fd r\u1eb1ng \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u1ed9 d\u1ed1c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng ph\u00e2n s\u1ed1 th\u1eadp ph\u00e2n, \u0111\u1ed9 ho\u1eb7c s\u1ef1 quan t\u00e2m. K\u00edch th\u01b0\u1edbc c\u1ee7a chi\u1ec1u cao tr\u01b0\u1ee3t b\u0103ng n\u1eb1m trong t\u1eed s\u1ed1 c\u1ee7a m\u1ed9t ph\u00e2n s\u1ed1 nh\u01b0 v\u1eady, v\u00e0 gia s\u00fac ngang c\u1ee7a tam gi\u00e1c c\u1ee7a ch\u00fang ta n\u1eb1m trong m\u1eabu s\u1ed1. B\u1edfi v\u00ec n\u00f3 thu\u1eadn ti\u1ec7n h\u01a1n nhi\u1ec1u, c\u00e1c nh\u00e0 x\u00e2y d\u1ef1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ecbnh ngh\u0129a ph\u00e2n s\u1ed1 c\u1ee7a g\u00f3c \u0111\u1ed9 nghi\u00eang.<\/p>\n<p>N\u00f3 \u0111\u01b0\u1ee3c cho l\u00e0 th\u1ef1c t\u1ebf h\u01a1n \u0111\u1ec3 t\u00ednh to\u00e1n g\u00f3c c\u1ee7a m\u00e1i nh\u00e0.<\/p>\n<p>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 l\u00e0m th\u1ebf n\u00e0o t\u00f4i c\u00f3 th\u1ec3 t\u00ecm ra m\u00e1i nh\u00e0 cao bao nhi\u00eau? \u0110\u1ecdc b\u00e0i vi\u1ebft \u0111\u1ec3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng.<\/p>\n<p>B\u1ea5t k\u1ef3 d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng n\u00e0o c\u0169ng ph\u1ea3i t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eadp k\u1ebf ho\u1ea1ch ch\u00ednh x\u00e1c v\u00e0 \u01b0\u1edbc t\u00ednh v\u1eadt li\u1ec7u. Chi\u1ec1u cao c\u1ee7a m\u1ed9t m\u00e1i nh\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o t\u1eeb c\u01a1 s\u1edf c\u1ee7a n\u00f3 \u0111\u1ebfn \u0111i\u1ec3m cao nh\u1ea5t, th\u01b0\u1eddng l\u00e0 v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ec9nh ho\u1eb7c s\u01b0\u1eddn n\u00fai. Ph\u00e9p \u0111o n\u00e0y thi\u1ebft l\u1eadp s\u00e2n ho\u1eb7c \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0, c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn kh\u1ea3 n\u0103ng tho\u00e1t n\u01b0\u1edbc v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac.<\/p>\n<p>B\u1ea1n ph\u1ea3i hi\u1ec3u g\u00f3c ho\u1eb7c g\u00f3c d\u1ed1c c\u1ee7a m\u00e1i nh\u00e0 \u0111\u1ec3 t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. G\u00f3c \u0111\u1ea1i di\u1ec7n cho \u0111\u1ed9 d\u1ed1c c\u1ee7a \u0111\u1ed9 nghi\u00eang m\u00e1i v\u00e0 \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng t\u1ef7 l\u1ec7, e.g., 4:12 ho\u1eb7c 30 \u0111\u1ed9. \u0110\u1ed1i v\u1edbi m\u1ed9t nh\u1ecbp nh\u1ea5t \u0111\u1ecbnh, chi\u1ec1u cao m\u00e1i s\u1ebd t\u0103ng v\u1edbi t\u1ef7 l\u1ec7 cao h\u01a1n. S\u1ef1 gia t\u0103ng th\u1eb3ng \u0111\u1ee9ng c\u1ee7a m\u1ed7i inch cho m\u1ed7i 12 inch ch\u1ea1y ngang l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 d\u1ed1c n\u00e0y.<\/p>\n<p>T\u00ecm ki\u1ebfm chi\u1ec1u cao m\u00e1i th\u1ef1c t\u1ebf c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi m\u1ed9t c\u00e1i thang, th\u01b0\u1edbc d\u00e2y v\u00e0 m\u1ee9c \u0111\u1ed9. L\u00ean \u0111\u1ec9nh b\u1eb1ng c\u00e1ch bu\u1ed9c ch\u1eb7t thang \u0111\u1ebfn m\u00e9p m\u00e1i nh\u00e0 \u0111\u1ea7u ti\u00ean. Kho\u1ea3ng c\u00e1ch th\u1eb3ng \u0111\u1ee9ng gi\u1eefa \u0111\u1ebf c\u1ee7a thang n\u01a1i n\u00f3 ch\u1ea1m m\u1eb7t \u0111\u1ea5t v\u00e0 s\u01b0\u1eddn n\u00fai ho\u1eb7c \u0111\u1ec9nh c\u1ee7a m\u00e1i nh\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u01b0\u1edbc d\u00e2y b\u0103ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c, h\u00e3y ngh\u0129 v\u1ec1 vi\u1ec7c n\u00f3i chuy\u1ec7n v\u1edbi m\u1ed9t chuy\u00ean gia khi thi\u1ebft k\u1ebf m\u1ed9t m\u00e1i nh\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u1ee3p th\u00edch h\u1ee3p v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch tho\u00e1t n\u01b0\u1edbc ph\u00f9 h\u1ee3p n\u1ebfu b\u1ea1n t\u00ednh to\u00e1n ch\u00ednh x\u00e1c chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0. N\u00f3 c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ee9c n\u0103ng v\u00e0 v\u1ebb \u0111\u1eb9p c\u1ee7a t\u00f2a nh\u00e0. Kh\u1ea3 n\u0103ng \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c chi\u1ec1u cao m\u00e1i c\u1ee7a b\u1ea1n l\u00e0m t\u0103ng th\u00eam s\u1ef1 b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a b\u1ea5t k\u1ef3 t\u00f2a nh\u00e0 n\u00e0o li\u00ean quan \u0111\u1ebfn l\u1ee3p m\u00e1i ho\u1eb7c d\u1ef1 \u00e1n tu s\u1eeda.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ea5t c\u1ee9 ai mu\u1ed1n x\u00e2y d\u1ef1ng, s\u1eeda ch\u1eefa ho\u1eb7c th\u1ea9m \u0111\u1ecbnh m\u1ed9t t\u00e0i s\u1ea3n ph\u1ea3i bi\u1ebft m\u1ed9t m\u00e1i nh\u00e0 cao \u0111\u1ebfn m\u1ee9c n\u00e0o. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 d\u1ed1c t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1i nh\u00e0 l\u00e0 chi\u1ec1u cao c\u1ee7a n\u00f3, ho\u1eb7c t\u0103ng. V\u1ec1 b\u1ea3n ch\u1ea5t, [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-2500","post","type-post","status-publish","format-standard","","category-roofs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c - c\u00e1ch d\u1ec5 nh\u1ea5t v\u00e0 ch\u00ednh x\u00e1c nh\u1ea5t<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1ch t\u00ednh chi\u1ec1u cao c\u1ee7a m\u00e1i nh\u00e0 c\u1ee7a b\u1ea1n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u01b0\u1ee3ng gi\u00e1c \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng th\u1ef1c t\u1ebf. 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