{"id":2263,"date":"2024-07-02T13:34:55","date_gmt":"2024-07-02T10:34:55","guid":{"rendered":"https:\/\/innfes.com\/vi\/how-to-make-a-staircase-to-the-second-floor\/"},"modified":"2024-07-02T13:34:55","modified_gmt":"2024-07-02T10:34:55","slug":"how-to-make-a-staircase-to-the-second-floor","status":"publish","type":"post","link":"https:\/\/innfes.com\/vi\/how-to-make-a-staircase-to-the-second-floor\/","title":{"rendered":"C\u00e1ch l\u00e0m c\u1ea7u thang l\u00ean t\u1ea7ng hai"},"content":{"rendered":"\n<p>M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a vi\u1ec7c x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o m\u1ed9t ng\u00f4i nh\u00e0 l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang l\u00ean t\u1ea7ng hai. \u0110\u00f3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh th\u1ea9m m\u1ef9 t\u1ed5ng th\u1ec3 c\u1ee7a kh\u00f4ng gian s\u1ed1ng c\u1ee7a b\u1ea1n ngo\u00e0i vi\u1ec7c l\u00e0 m\u1ed9t nhu c\u1ea7u c\u1ea7n thi\u1ebft. M\u1ed9t c\u1ea7u thang an to\u00e0n v\u00e0 th\u1ea9m m\u1ef9 d\u1ec5 ch\u1ecbu ph\u1ea3i \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch v\u00e0 th\u1ef1c hi\u1ec7n c\u1ea9n th\u1eadn, cho d\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t ng\u00f4i nh\u00e0 m\u1edbi hay tu s\u1eeda m\u1ed9t ng\u00f4i nh\u00e0 c\u0169.<\/p>\n<p>\u0110\u1ea7u ti\u00ean, h\u00e3y ngh\u0129 v\u1ec1 kh\u00f4ng gian c\u00f3 s\u1eb5n v\u00e0 th\u1ea9m m\u1ef9 thi\u1ebft k\u1ebf ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t trong nh\u00e0 c\u1ee7a b\u1ea1n. T\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u v\u00e0 s\u1edf th\u00edch c\u1ee7a b\u1ea1n, c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5u h\u00ecnh cho c\u1ea7u thang, bao g\u1ed3m xo\u1eafn \u1ed1c v\u00e0 th\u1eb3ng, m\u1ed7i h\u00ecnh c\u00f3 l\u1ee3i th\u1ebf ri\u00eang. M\u1eb7c d\u00f9 c\u1ea7u thang xo\u1eafn \u1ed1c ho\u1eb7c cong c\u00f3 th\u1ec3 th\u00eam m\u1ed9t ch\u00fat thanh l\u1ecbch, ch\u00fang \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c m\u00e3 x\u00e2y d\u1ef1ng. C\u1ea7u thang th\u1eb3ng l\u00e0 thi\u1ebft th\u1ef1c v\u00e0 hi\u1ec7u qu\u1ea3 v\u1edbi kh\u00f4ng gian.<\/p>\n<p>Ti\u1ebfp theo, quy\u1ebft \u0111\u1ecbnh nh\u1eefng ngu\u1ed3n cung c\u1ea5p n\u00e0o b\u1ea1n c\u1ea7n. V\u00ec s\u1ef1 \u1ea5m \u00e1p v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a n\u00f3, g\u1ed7 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn, nh\u01b0ng th\u1ee7y tinh v\u00e0 kim lo\u1ea1i c\u00f3 th\u1ec3 mang l\u1ea1i v\u1ebb ngo\u00e0i hi\u1ec7n \u0111\u1ea1i. S\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n c\u0169ng n\u00ean t\u00ednh \u0111\u1ebfn c\u00e1c nhu c\u1ea7u v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1ed7i v\u1eadt li\u1ec7u. L\u1eadp k\u1ebf ho\u1ea1ch ng\u00e2n s\u00e1ch c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft v\u00ec c\u00e1c v\u1eadt li\u1ec7u \u0111\u1eaft ti\u1ec1n v\u00e0 thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p c\u00f3 th\u1ec3 t\u0103ng l\u00ean nhanh ch\u00f3ng.<\/p>\n<p>\u0110\u1ea3m b\u1ea3o c\u1ea7u thang th\u1ecfa m\u00e3n m\u00e3 x\u00e2y d\u1ef1ng \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 ti\u00eau chu\u1ea9n an to\u00e0n khi thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c. C\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan \u0111\u1ebfn an to\u00e0n kh\u00f4ng th\u1ec3 b\u1ecb x\u00e2m ph\u1ea1m bao g\u1ed3m s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac, chi\u1ec1u cao v\u00e0 \u0111\u1ed9 s\u00e2u c\u1ee7a t\u1eebng b\u01b0\u1edbc v\u00e0 \u0111\u1ed9 thanh th\u1ea3i tr\u00ean c\u00e1c b\u01b0\u1edbc. Kh\u00f4ng ch\u1ec9 l\u00e0 baluster, tay v\u1ecbn v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c y\u1ebfu t\u1ed1 trang tr\u00ed, m\u00e0 ch\u00fang c\u00f2n l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n an to\u00e0n quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ch\u00ednh x\u00e1c.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t ki\u1ebfn \u200b\u200btr\u00fac s\u01b0 ho\u1eb7c nh\u00e0 th\u1ea7u c\u00f3 ki\u1ebfn \u200b\u200bth\u1ee9c c\u00f3 th\u1ec3 \u0111\u1ea9y nhanh th\u1ee7 t\u1ee5c v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea7u thang c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00e1p l\u00fd. Ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n c\u0169ng c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea1n v\u01b0\u1ee3t qua c\u00e1c tr\u1edf ng\u1ea1i thi\u1ebft k\u1ebf v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea7u thang c\u1ee7a b\u1ea1n c\u1ea3i thi\u1ec7n t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng c\u1ee7a ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.<\/p>\n<h2>Th\u1eadt l\u00e0 m\u1ed9t c\u1ea7u thang bao g\u1ed3m<\/h2>\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i c\u1ea7u thang kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 ti\u1ec1n t\u1ed1, d\u00e2y th\u1eebng, c\u00f3 th\u1ec3 thu v\u00e0o v\u00e0 thang, t\u00f9y thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng. Tuy nhi\u00ean, ch\u00fang hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e0 ri\u00eang v\u00ec vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang cho c\u00e1c chuy\u1ebfn \u0111i th\u01b0\u1eddng xuy\u00ean l\u00ean xu\u1ed1ng \u0111\u1ebfn c\u00e2u chuy\u1ec7n th\u1ee9 hai l\u00e0 b\u1ea5t ti\u1ec7n. C\u00e1c lo\u1ea1i c\u1ea7u thang ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 c\u1ea7u thang di\u1ec5u h\u00e0nh v\u00e0 v\u00edt, c\u00f3 c\u00e1c t\u00ednh n\u0103ng sau.<\/p>\n<ol>\n<li>Kosour ho\u1eb7c bowstring. \u0110\u00e2y l\u00e0 nh\u1eefng h\u01b0\u1edbng d\u1eabn c\u1ee7a c\u1ea7u thang, hai d\u1ea7m nghi\u00eang m\u00e0 c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c g\u1eafn. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa ch\u00fang trong ph\u01b0\u01a1ng ph\u00e1p bu\u1ed9c c\u00e1c b\u01b0\u1edbc &#8211; tr\u00ean d\u00ec, c\u00e1c l\u1ed7 cho ch\u00fang \u0111\u01b0\u1ee3c c\u1eaft b\u00ean trong v\u00e0 tr\u00ean khung, c\u00e1c b\u1ea3ng \u0111\u01b0\u1ee3c g\u1eafn t\u1eeb tr\u00ean. N\u1ebfu c\u1ea7u thang l\u00e0 \u1ed1c v\u00edt, th\u00ec c\u1ed9t trung t\u00e2m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf.<\/li>\n<\/ol>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_1.jpg\"><\/p>\n<ol>\n<li>B\u01b0\u1edbc &#8211; Th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a c\u1ea7u thang. \u0110\u00e2y l\u00e0 m\u1ed9t b\u1ea3ng n\u1eb1m ngang, tr\u00ean \u0111\u00f3 m\u1ed9t ng\u01b0\u1eddi s\u1ebd ti\u1ebfn l\u00ean khi n\u00e2ng.<\/li>\n<li>Ti\u1ebfp c\u1eadn. Ph\u1ea7n t\u1eed t\u00f9y ch\u1ecdn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t theo chi\u1ec1u d\u1ecdc, \u1edf g\u00f3c vu\u00f4ng v\u1edbi c\u00e1c b\u01b0\u1edbc. N\u00f3 l\u00e0m cho c\u1ea5u tr\u00fac b\u1ec1n h\u01a1n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u01b0\u1edbc.<\/li>\n<li>Tr\u1ee5 c\u1ed9t, tay v\u1ecbn, baluster. \u0110\u00e2y l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 th\u1eb3ng \u0111\u1ee9ng t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c leo l\u00ean c\u1ea7u thang v\u00e0 l\u00e0m cho n\u00f3 an to\u00e0n h\u01a1n. H\u1ecd c\u00f9ng nhau t\u1ea1o th\u00e0nh m\u1ed9t lan can. C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn \u1edf m\u1ed9t ho\u1eb7c hai b\u00ean ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng n\u1ebfu c\u1ea7u thang n\u1eb1m gi\u1eefa hai b\u1ee9c t\u01b0\u1eddng.<\/li>\n<li>Trang web &#8211; Kho\u1ea3ng c\u00e1ch gi\u1eefa m\u1ed9t s\u1ed1 c\u1ea7u thang.<\/li>\n<\/ol>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_2.jpg\"><\/p>\n<h2>Nh\u1eefng g\u00ec n\u00ean l\u00e0 c\u1ea7u thang<\/h2>\n<p>C\u1ea7u thang ph\u1ea3i an to\u00e0n v\u00e0 tho\u1ea3i m\u00e1i tr\u01b0\u1edbc h\u1ebft. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, n\u00f3 c\u1ea7n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt sau:<\/p>\n<ul>\n<li>Chi\u1ec1u r\u1ed9ng ph\u1ea3i sao cho hai ng\u01b0\u1eddi c\u00f3 th\u1ec3 b\u00ecnh t\u0129nh ph\u00e1 v\u1ee1 120-130 cm, nh\u01b0ng n\u1ebfu kh\u00f4ng c\u00f3 \u0111\u1ee7 kh\u00f4ng gian trong nh\u00e0, n\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng c\u00f2n 1 m\u00e9t, nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y s\u1ebd c\u00f3 v\u1ea5n \u0111\u1ec1 khi n\u00e2ng \u0111\u1ed3 \u0111\u1ea1c v\u00e0 C\u00e1c m\u1eb7t h\u00e0ng l\u1edbn kh\u00e1c;<\/li>\n<li>Chi\u1ec1u cao c\u1ee7a b\u01b0\u1edbc cung c\u1ea5p s\u1ef1 gia t\u0103ng tho\u1ea3i m\u00e1i l\u00e0 15 cm c\u00f3 t\u00ednh \u0111\u1ebfn \u0111\u1ed9 d\u00e0y c\u1ee7a ch\u00ednh b\u1ea3ng, ngh\u0129a l\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c b\u01b0\u1edbc l\u00e2n c\u1eadn n\u00ean kho\u1ea3ng 12 cm;<\/li>\n<li>Chi\u1ec1u r\u1ed9ng c\u1ee7a b\u01b0\u1edbc ph\u1ea3i sao cho ch\u00e2n c\u1ee7a b\u1ea5t k\u1ef3 ng\u01b0\u1eddi n\u00e0o \u0111\u01b0\u1ee3c \u0111\u1eb7t ho\u00e0n to\u00e0n v\u00e0o n\u00f3 &#8211; \u00edt nh\u1ea5t l\u00e0 27 cm;<\/li>\n<li>Chi\u1ec1u cao \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb c\u1ee7a l\u1ed1i \u0111i l\u00e0 \u00edt nh\u1ea5t 2 m\u00e9t \u0111\u1ec3 khi n\u00e2ng n\u00f3 kh\u00f4ng ph\u1ea3i u\u1ed1n cong, nh\u01b0ng n\u1ebfu c\u1ea7u thang d\u1eabn \u0111\u1ebfn g\u00e1c m\u00e1i, hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng c\u00f2n 180 cm;<\/li>\n<li>G\u00f3c nghi\u00eang c\u1ee7a c\u1ea7u thang l\u00e0 20-30 \u0111\u1ed9, n\u1ebfu c\u1ea7n thi\u1ebft, tham s\u1ed1 n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean 45 \u0111\u1ed9, n\u00f3 kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb;<\/li>\n<li>T\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a cu\u1ed9c tu\u1ea7n h\u00e0nh ph\u1ee5 thu\u1ed9c v\u00e0o chi\u1ec1u r\u1ed9ng c\u1ee7a c\u00e1c b\u01b0\u1edbc v\u00e0 g\u00f3c n\u00e2ng, th\u01b0\u1eddng l\u00e0 1.5-2 m\u00e9t;<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng c\u00e1c b\u01b0\u1edbc \u1edf chi\u1ec1u cao tr\u1ea7n ti\u00eau chu\u1ea9n l\u00e0 2.40 m\u00e9t v\u00e0 quan s\u00e1t c\u00e1c tham s\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t th\u01b0\u1eddng l\u00e0 16 m\u1ea3nh, nh\u01b0ng s\u1ed1 l\u01b0\u1ee3ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u1eeb 14 \u0111\u1ebfn 20;<\/li>\n<li>C\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a trang web c\u00f3 th\u1ec3 l\u00e0 b\u1ea5t k\u1ef3, nh\u01b0ng mong mu\u1ed1n r\u1eb1ng n\u00f3 \u00edt nh\u1ea5t g\u1ea5p \u0111\u00f4i s\u1ed1 b\u01b0\u1edbc &#8211; v\u00ec v\u1eady b\u1ea1n c\u00f3 th\u1ec3 tho\u1ea3i m\u00e1i th\u1ef1c hi\u1ec7n m\u1ed9t b\u01b0\u1edbc v\u00e0 ti\u1ebfp t\u1ee5c t\u0103ng ho\u1eb7c xu\u1ed1ng.<\/li>\n<\/ul>\n<h2>C\u1ea7u thang l\u00e0 g\u00ec<\/h2>\n<p>Th\u00e1ng ba v\u00e0 c\u1ea7u thang v\u00edt l\u00e0 nh\u1eefng l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn nh\u1ea5t trong nh\u00e0 t\u01b0 nh\u00e2n; M\u1ed7i ng\u01b0\u1eddi c\u00f3 c\u00e1c bi\u1ebfn th\u1ec3 kh\u00e1c nhau.<\/p>\n<h3>Di\u1ec5u h\u00e0nh<\/h3>\n<p>C\u1ea7u thang di\u1ec5u h\u00e0nh \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb c\u00e1c b\u01b0\u1edbc v\u00e0 m\u1ed9t kosour, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 cung t\u00ean. \u0110\u00e2y l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn truy\u1ec1n th\u1ed1ng v\u00e0 n\u1ed5i ti\u1ebfng th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong nh\u00e0 ri\u00eang nh\u01b0ng c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u01a1 s\u1edf b\u00e1n l\u1ebb, giao c\u1eaft ng\u1ea7m v\u00e0 c\u00e1c t\u00f2a nh\u00e0 chung c\u01b0.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_3.jpg\"><\/p>\n<p>Nh\u1eefng c\u1ea7u thang n\u00e0y r\u1ea5t d\u1ec5 x\u00e2y d\u1ef1ng c\u1ee7a ri\u00eang b\u1ea1n v\u00e0 r\u1ea5t th\u1ef1c t\u1ebf v\u00e0 thu\u1eadn ti\u1ec7n. C\u00f3 r\u1ea5t \u00edt c\u01a1 h\u1ed9i v\u1ea5p ng\u00e3 v\u00e0 r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng \u0111i l\u00ean. T\u00f9y ch\u1ecdn n\u00e0y gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng n\u00e2ng \u0111\u1ed3 n\u1ed9i th\u1ea5t c\u00f3 k\u00edch th\u01b0\u1edbc d\u1ecdc theo c\u1ea7u thang di\u1ec5.<\/p>\n<p>Trong c\u00e1c ng\u00f4i nh\u00e0 ri\u00eang l\u1ebb, th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t:<\/p>\n<ul>\n<li>C\u1ea7u thang \u0111\u01a1n trong \u0111\u00f3 m\u1ed9t chuy\u1ebfn bay k\u1ebft n\u1ed1i t\u1ea7ng m\u1ed9t v\u00e0 t\u1ea7ng hai, c\u00e1c trang web kh\u00f4ng \u0111\u01b0\u1ee3c cung c\u1ea5p;<\/li>\n<li>C\u1ea7u thang hai -march, trong \u0111\u00f3 s\u1ef1 gia t\u0103ng \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u1ecbp v\u1edbi m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m, c\u00e1c cu\u1ed9c tu\u1ea7n h\u00e0nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf g\u00f3c 90 ho\u1eb7c 180 \u0111\u1ed9 cho nhau.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_4.jpg\"><\/p>\n<p>C\u1ea7u thang hai b\u01b0\u1edbc v\u1edbi g\u00f3c 90 \u0111\u1ed9 (ph\u1ea3i) v\u00e0 180 \u0111\u1ed9 (tr\u00e1i)<\/p>\n<p>Nh\u1eefng ng\u00f4i nh\u00e0 ri\u00eang hi\u1ebfm khi c\u00f3 c\u1ea7u thang v\u1edbi ba cu\u1ed9c di\u1ec5u h\u00e0nh tr\u1edf l\u00ean v\u00ec h\u1ecd chi\u1ebfm r\u1ea5t nhi\u1ec1u ph\u00f2ng v\u00e0 \u0111\u00f2i h\u1ecfi ph\u1ea3i m\u1edf r\u1ed9ng tr\u00ean tr\u1ea7n nh\u00e0.<\/p>\n<p>C\u00e1c b\u01b0\u1edbc \u0111ua c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay cho c\u00e1c n\u01a1i \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t g\u00f3c trong c\u1ea7u thang hai ph\u00fat. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3 c\u1ee7a c\u1ea5u tr\u00fac, nh\u01b0ng n\u00f3 c\u0169ng mang l\u1ea1i r\u1ee7i ro. C\u1ee5 th\u1ec3, n\u1ebfu b\u1ea1n v\u01b0\u01a1n l\u00ean d\u01b0\u1edbi c\u1ea5u tr\u00fac trong b\u00f3ng t\u1ed1i, b\u1ea1n c\u00f3 nguy c\u01a1 v\u1ea5p ng\u00e3 tr\u00ean c\u00e1c b\u01b0\u1edbc &apos;chi\u1ec1u r\u1ed9ng kh\u00e1c nhau. Do \u0111\u00f3, t\u1ed1t h\u01a1n l\u00e0 xem x\u00e9t t\u00f9y ch\u1ecdn n\u00e0y v\u00e0 r\u00fat kh\u1ecfi cu\u1ed9c \u0111ua n\u1ebfu c\u00f3 c\u01a1 h\u1ed9i t\u1ea1o ra m\u1ed9t c\u1ea7u thang \u0111\u01a1n l\u1ebb ho\u1eb7c ph\u00e2n b\u1ed5 th\u00eam m\u1ed9t ch\u00fat kh\u00f4ng gian tr\u00ean trang web.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_5.jpg\"><\/p>\n<h3>S\u00fang tr\u01b0\u1eddng<\/h3>\n<p>M\u1ed9t c\u1ea7u thang xo\u1eafn \u1ed1c \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng v\u1edbi c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp xung quanh m\u1ed9t tr\u1ee5c trung t\u00e2m. Ch\u00fang l\u00e0 tr\u1ef1c quan tuy\u1ec7t \u0111\u1eb9p v\u00e0 \u0111\u1ed9c \u0111\u00e1o, k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o \u0111\u1ec3 ph\u1ee5c v\u1ee5 nh\u01b0 l\u00e0 &quot;\u0111i\u1ec3m n\u1ed5i b\u1eadt&quot; c\u1ee7a c\u0103n ph\u00f2ng v\u00e0 trang tr\u00ed, v\u00e0 th\u01b0\u1eddng xuy\u00ean chi\u1ebfm \u00edt ph\u00f2ng h\u01a1n c\u00e1c l\u1ef1a ch\u1ecdn di\u1ec5u h\u00e0nh. Tuy nhi\u00ean, vi\u1ec7c leo l\u00ean c\u1ea7u thang n\u00e0y kh\u00f3 kh\u0103n h\u01a1n v\u00ec b\u1ea1n th\u01b0\u1eddng ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c b\u01b0\u1edbc m\u01b0a \u0111\u1ec3 t\u1ea1o ra g\u00f3c \u0111\u1ed9 c\u1ea7n thi\u1ebft, l\u00e0m t\u0103ng nguy c\u01a1 ch\u1ea1m v\u00e0o. M\u1ed9t b\u1ea5t l\u1ee3i kh\u00e1c l\u00e0 chi\u1ec1u r\u1ed9ng c\u1ee7a nh\u1ecbp th\u01b0\u1eddng b\u1ecb h\u1ea1n ch\u1ebf, g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c mang l\u1ea1i \u0111\u1ed3 \u0111\u1ea1c l\u1edbn v\u00e0 khi\u1ebfn hai ng\u01b0\u1eddi kh\u00f4ng tho\u1ea3i m\u00e1i khi ph\u00e1 v\u1ee1 m\u1ed9t c\u00e1ch tho\u1ea3i m\u00e1i.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_6.jpg\"><\/p>\n<p>Ladder th\u00e1ng ba c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c l\u00e0m \u0111\u1ed9c l\u1eadp, ch\u1ec9 s\u1eed d\u1ee5ng g\u1ed7, nh\u01b0ng v\u00edt &#8211; kh\u00f4ng. B\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t tr\u1ee5c trung t\u00e2m, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng kim lo\u1ea1i, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb g\u1ed7, v\u00e0 m\u1ed9t tay c\u1ea7m c\u1ee7a m\u1ed9t d\u1ea1ng v\u00edt, c\u0169ng hi\u1ebfm khi \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u1ed7. B\u1ea1n c\u0169ng s\u1ebd ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc c\u00f3 h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t &#8211; n\u00f3 s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 mua th\u1eadm ch\u00ed c\u00e1c b\u1ea3ng c\u00f3 c\u00f9ng k\u00edch th\u01b0\u1edbc. T\u1ea5t c\u1ea3 \u0111i\u1ec1u n\u00e0y l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 chi ph\u00ed c\u1ee7a c\u1ea5u tr\u00fac, v\u00e0 trong khi s\u1eed d\u1ee5ng, chi ph\u00ed s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec1n \u0111\u00e1p &#8211; ng\u01b0\u1ee3c l\u1ea1i, c\u1ea7u thang xo\u1eafn \u1ed1c \u00edt thu\u1eadn ti\u1ec7n h\u01a1n nhi\u1ec1u. Do \u0111\u00f3, t\u1ed1t h\u01a1n l\u00e0 ch\u1ecdn m\u1ed9t t\u00f9y ch\u1ecdn di\u1ec5u h\u00e0nh c\u1ed5 \u0111i\u1ec3n &#8211; n\u00f3 v\u1eeba r\u1ebb h\u01a1n v\u1eeba thu\u1eadn ti\u1ec7n h\u01a1n.<\/p>\n<blockquote><p>\n   &quot;M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o c\u1ea3 s\u1ef1 an to\u00e0n v\u00e0 ch\u1ee9c n\u0103ng khi x\u00e2y d\u1ef1ng c\u1ea7u thang d\u1eabn \u0111\u1ebfn t\u1ea7ng hai. M\u1ed7i giai \u0111o\u1ea1n \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng, t\u1eeb ch\u1ecdn thi\u1ebft k\u1ebf t\u1ed1t nh\u1ea5t \u0111\u1ebfn hi\u1ec3u m\u00e3 x\u00e2y d\u1ef1ng. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p cho ch\u1ee7 nh\u00e0 h\u01b0\u1edbng d\u1eabn r\u00f5 r\u00e0ng v\u1ec1 v\u1eadt li\u1ec7u, ph\u00e9p \u0111o v\u00e0 ti\u00eau chu\u1ea9n an to\u00e0n c\u00f9ng v\u1edbi c\u00e1c g\u1ee3i \u00fd h\u1eefu \u00edch v\u00e0 c\u00e1c b\u01b0\u1edbc c\u1ea7n thi\u1ebft. Cho d\u00f9 x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang m\u1edbi t\u1eeb \u0111\u1ea7u hay tu s\u1eeda m\u1ed9t c\u00e1i c\u0169, m\u1ed9t c\u1ea7u thang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t s\u1ebd c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn v\u00e0 l\u00e0m t\u0103ng gi\u00e1 tr\u1ecb th\u1ea9m m\u1ef9 c\u1ee7a b\u1ea5t k\u1ef3 ng\u00f4i nh\u00e0 n\u00e0o.&quot;\n  <\/p><\/blockquote>\n<h2>Chu\u1ea9n b\u1ecb v\u00e0 thi\u1ebft k\u1ebf c\u1ea7u thang<\/h2>\n<p>V\u00ec v\u1eady, ch\u00fang t\u00f4i m\u00f4 t\u1ea3 c\u00e1ch x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng tay t\u1ea7ng hai.<\/p>\n<h3>B\u01b0\u1edbc 1. Ch\u1ecdn m\u1ed9t thi\u1ebft k\u1ebf<\/h3>\n<p>Ch\u1ecdn thi\u1ebft k\u1ebf l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c tr\u01b0\u1edbc khi b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 t\u00ednh to\u00e1n ho\u1eb7c mua v\u1eadt li\u1ec7u n\u00e0o. T\u1ed1t h\u01a1n l\u00e0 t\u1eadp trung v\u00e0o m\u1ed9t cu\u1ed9c tu\u1ea7n h\u00e0nh th\u1ef1c t\u1ebf v\u00e0 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n; V\u1edbi c\u00e1c v\u1eadt li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch c\u1ea9n th\u1eadn, n\u00f3 c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ed9t trang tr\u00ed n\u1ed9i th\u1ea5t ngang b\u1eb1ng v\u1edbi m\u1ed9t c\u1ea7u thang v\u00edt.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_7.jpg\"><\/p>\n<p>B\u1ea1n ph\u1ea3i th\u1ef1c hi\u1ec7n bao nhi\u00eau cu\u1ed9c tu\u1ea7n h\u00e0nh? V\u00ec m\u1edf tr\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c cho c\u1ea7u thang, n\u00ean t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ec3 thi\u1ebft k\u1ebf kh\u00f4ng thay \u0111\u1ed5i n\u1ebfu n\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m l\u1ea1i sau khi n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t trong nh\u00e0. N\u1ebfu n\u00f3 \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb \u0111\u1ea7u, b\u1ea1n ph\u1ea3i b\u1eaft \u0111\u1ea7u v\u1edbi v\u1eadt ph\u1ea9m s\u1ebd h\u1eefu \u00edch nh\u1ea5t trong khi chi\u1ebfm \u00edt kh\u00f4ng gian \u00edt nh\u1ea5t.<\/p>\n<p>M\u1ed9t trong nh\u1eefng thi\u1ebft k\u1ebf d\u1ec5 nh\u1ea5t v\u00e0 thu\u1eadn ti\u1ec7n nh\u1ea5t l\u00e0 m\u1ed9t c\u1ea7u thang v\u1edbi m\u1ed9t cu\u1ed9c tu\u1ea7n h\u00e0nh duy nh\u1ea5t. S\u1ebd c\u1ea7n \u00edt v\u1eadt li\u1ec7u h\u01a1n v\u00e0 d\u1ef1 \u00e1n s\u1ebd \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh nhanh h\u01a1n do s\u1ef1 v\u1eafng m\u1eb7t c\u1ee7a trang web. N\u00f3 s\u1ebd ch\u1ec9 y\u00eau c\u1ea7u 5.16 m\u00e9t vu\u00f4ng kh\u00f4ng gian c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng, v\u1edbi chi\u1ec1u r\u1ed9ng l\u00e0 1.20 m\u00e9t v\u00e0 chi\u1ec1u d\u00e0i chuy\u1ebfn bay 4.3 m\u00e9t. Sau n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 trang ph\u1ee5c m\u1ed9t ph\u00f2ng \u0111\u1ef1ng th\u1ee9c \u0103n ho\u1eb7c t\u1ee7 b\u00ean d\u01b0\u1edbi n\u00f3 \u0111\u1ec3 t\u1eadn d\u1ee5ng nhi\u1ec1u nh\u1ea5t khu v\u1ef1c n\u00e0y. X\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang cao su duy nh\u1ea5t c\u00f3 \u00fd ngh\u0129a khi n\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 thu h\u1eb9p khu v\u1ef1c b\u1ecb chi\u1ebfm \u0111\u00f3ng v\u00ec n\u00f3 chi\u1ebfm m\u1ed9t kh\u00f4ng gian d\u00e0i, h\u1eb9p.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_8.jpg\"><\/p>\n<p>C\u1ea7u thang hai con s\u1ed1 c\u00f3 chi\u1ec1u d\u00e0i ng\u1eafn h\u01a1n nh\u01b0ng r\u1ed9ng h\u01a1n. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng trong h\u00ecnh d\u1ea1ng c\u1ee7a m\u1ed9t c\u0103n ph\u00f2ng h\u00ecnh vu\u00f4ng ho\u1eb7c nh\u1ecf. \u0110\u1ed3ng th\u1eddi, chi\u1ec1u r\u1ed9ng c\u1ee7a trang web \u0111\u01b0\u1ee3c t\u0103ng l\u00ean, c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1edf tr\u1ea7n: n\u00f3 s\u1ebd l\u1edbn h\u01a1n c\u1ea7u thang m\u00e1y. L\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho ph\u00e9p b\u1ea1n gi\u1ea3m k\u00edch th\u01b0\u1edbc m\u1edf n\u00e0y l\u00e0 khi c\u00f3 ba b\u01b0\u1edbc trong th\u00e1ng 3 \u0111\u1ea7u ti\u00ean v\u00e0 l\u1ea7n th\u1ee9 hai, 12 tr\u1eadn13. Sau \u0111\u00f3, k\u00edch th\u01b0\u1edbc c\u1ee7a anh \u1ea5y s\u1ebd ph\u00f9 h\u1ee3p v\u1edbi c\u1ea7u thang m\u00e1y gi\u1ed1ng h\u1ec7t nhau.<\/p>\n<h3>B\u01b0\u1edbc 2. Ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n<\/h3>\n<p>B\u1ea1n ph\u1ea3i ch\u1ecdn c\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u1ec3 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc c\u1ee7a c\u1ea7u thang \u0111\u01a1n l\u1ebb.<\/p>\n<ol>\n<li>S\u1ed1 b\u01b0\u1edbc l\u00e0 chi\u1ec1u cao c\u1ee7a tr\u1ea7n nh\u00e0, \u0111\u01b0\u1ee3c chia th\u00e0nh 15 (chi\u1ec1u cao b\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t).<\/li>\n<li>Chi\u1ec1u cao c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p &#8211; m\u1edf gi\u1eefa hai b\u01b0\u1edbc l\u00e2n c\u1eadn. C\u00f4ng th\u1ee9c: Chi\u1ec1u cao b\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ecdn l\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a b\u1ea3ng (n\u00f3 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb \u00edt nh\u1ea5t 20 mm). V\u00ed d\u1ee5: 15 cm &#8211; 2 cm = 13 cm.<\/li>\n<li>T\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a c\u1ea7u thang l\u00e0 s\u1ed1 b\u01b0\u1edbc nh\u00e2n v\u1edbi chi\u1ec1u r\u1ed9ng c\u1ee7a ch\u00fang (khuy\u1ebfn ngh\u1ecb-27-30 cm)-v\u00ed d\u1ee5, 16&#215;27 = 432 cm. N\u1ebfu \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 gi\u1ea3m chi\u1ec1u d\u00e0i, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u01b0\u1edbc xu\u1ea5t hi\u1ec7n m\u1ed9t ch\u00fat tr\u00ean nhau, nh\u01b0ng k\u00edch th\u01b0\u1edbc c\u1ee7a m\u1ed9t \u00e1p \u0111\u1ea3o nh\u01b0 v\u1eady s\u1ebd kh\u00f4ng qu\u00e1 5 cm. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00f4ng th\u1ee9c s\u1ebd tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y: <strong>S\u1ed1 b\u01b0\u1edbc x chi\u1ec1u r\u1ed9ng c\u1ee7a c\u00e1c b\u01b0\u1edbc &#8211; s\u1ed1 b\u01b0\u1edbc x k\u00edch th\u01b0\u1edbc c\u1ee7a s\u1ef1 ch\u1ed3ng ch\u00e9o.<\/strong> V\u00ed d\u1ee5: 16&#215;27 &#8211; 16&#215;5 = 352 cm.<\/li>\n<li>K\u00edch th\u01b0\u1edbc c\u1ee7a l\u1ed7 m\u1edf tr\u00ean tr\u1ea7n nh\u00e0. \u1ede \u0111\u00e2y ph\u1ea3i l\u01b0u \u00fd r\u1eb1ng kho\u1ea3ng c\u00e1ch gi\u1eefa b\u01b0\u1edbc v\u00e0 tr\u1ea7n kh\u00f4ng \u0111\u01b0\u1ee3c d\u01b0\u1edbi 2 m\u00e9t, n\u1ebfu kh\u00f4ng b\u1ea1n s\u1ebd ph\u1ea3i c\u00fai xu\u1ed1ng khi n\u00e2ng. D\u1ef1a tr\u00ean c\u00e1c k\u00edch th\u01b0\u1edbc, b\u1ea1n c\u1ea7n t\u00ednh to\u00e1n \u1edf b\u01b0\u1edbc kho\u1ea3ng c\u00e1ch gi\u1eefa c\u1ea7u thang v\u00e0 tr\u1ea7n nh\u00e0 s\u1ebd l\u00e0 2 m\u00e9t. C\u00f4ng th\u1ee9c: <strong>Chi\u1ec1u cao tr\u1ea7n &#8211; chi\u1ec1u cao 200 cm \/ b\u01b0\u1edbc<\/strong>. V\u00ed d\u1ee5: 240-200 \/ 15 = 2.6 (b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m tr\u00f2n t\u1ed1i \u0111a 3 b\u01b0\u1edbc). Sau \u0111\u00f3, \u0111\u1ed9 d\u00e0i c\u1ee7a s\u1ed1 b\u01b0\u1edbc k\u1ebft qu\u1ea3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb t\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a c\u1ea7u thang &#8211; \u0111\u00e2y s\u1ebd l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a l\u1ed7 m\u1edf v\u00e0 chi\u1ec1u r\u1ed9ng c\u1ee7a n\u00f3 tr\u00f9ng v\u1edbi chi\u1ec1u r\u1ed9ng c\u1ee7a cu\u1ed9c tu\u1ea7n h\u00e0nh. V\u00ed d\u1ee5: 432 cm &#8211; 3 b\u01b0\u1edbc x 27 cm = 351 cm. V\u1edbi chi\u1ec1u r\u1ed9ng th\u00e1ng ba l\u00e0 120 cm, k\u00edch th\u01b0\u1edbc c\u1ee7a l\u1ed7 m\u1edf s\u1ebd l\u00e0 3.5&#215;1.2 m\u00e9t.<\/li>\n<li>Chi\u1ec1u d\u00e0i c\u1ee7a kosuura ho\u1eb7c d\u00e2y cung v\u00e0 tay v\u1ecb. C\u1ea7u thang l\u00e0 m\u1ed9t h\u00ecnh tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt, trong \u0111\u00f3 chi\u1ec1u cao c\u1ee7a tr\u1ea7n nh\u00e0 v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3 l\u00e0 gia s\u00fac. Do \u0111\u00f3, Kosour l\u00e0 m\u1ed9t huy\u1ec1n b\u00ed, n\u00f3 \u0111\u01b0\u1ee3c xem x\u00e9t b\u1edfi c\u00f4ng th\u1ee9c <strong>\u221a (H\u00ecnh vu\u00f4ng chi\u1ec1u cao c\u1ee7a tr\u1ea7n + h\u00ecnh vu\u00f4ng c\u00f3 chi\u1ec1u d\u00e0i c\u1ee7a c\u1ea7u thang)<\/strong>. V\u00ed d\u1ee5: \u221a (240\u00b2+432\u00b2) = 494 cm. \u0110\u1ed9 d\u00e0i c\u1ee7a tay v\u1ecbn tr\u00f9ng v\u1edbi chi\u1ec1u d\u00e0i.<\/li>\n<li>C\u00e1c g\u00f3c c\u1ee7a \u0111\u1ed9 d\u1ed1c c\u1ee7a c\u1ea7u thang &#8211; n\u00f3 s\u1ebd l\u00e0 c\u1ea7n thi\u1ebft khi l\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t c\u00e2y cung. C\u00e1c g\u00f3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n th\u00f4ng qua Arctandgens. G\u00f3c tr\u00ean li\u1ec1n k\u1ec1 v\u1edbi t\u1ea7ng hai \u0111\u01b0\u1ee3c xem x\u00e9t theo c\u00f4ng th\u1ee9c: <strong>Arctg (chi\u1ec1u cao tr\u1ea7n \/ c\u1ea7u thang)<\/strong>, g\u00f3c d\u01b0\u1edbi &#8211; <strong>Arctg (c\u1ea7u thang \/ chi\u1ec1u cao tr\u1ea7n)<\/strong>. \u0110\u1ec3 thu\u1eadn ti\u1ec7n, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y t\u00ednh t\u00ednh to\u00e1n c\u00e1c g\u00f3c c\u1ee7a tam gi\u00e1c h\u00ecnh ch\u1eef nh\u1eadt. V\u00ed d\u1ee5, \u1edf \u0111\u1ed9 cao tr\u1ea7n 2.4 m\u00e9t v\u00e0 chi\u1ec1u d\u00e0i c\u1ea7u thang 4.32 m\u00e9t, g\u00f3c tr\u00ean l\u00e0 60 \u0111\u1ed9, th\u1ea5p h\u01a1n &#8211; 30.<\/li>\n<\/ol>\n<p>V\u00ec c\u1ea7u thang hai ph\u00fat \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb hai c\u1ea7u thang \u0111\u01a1n l\u1ebb, c\u00e1c t\u00ednh to\u00e1n tu\u00e2n theo c\u00f9ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p; ngh\u0129a l\u00e0, b\u1ea1n ph\u1ea3i t\u00ednh to\u00e1n c\u00e1c tham s\u1ed1 c\u1ee7a m\u1ed7i nh\u1ecbp m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp. B\u1ea3n v\u1ebd c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c nh\u00ecn th\u1ea5y \u0111\u1ec3 ph\u1ea3n \u00e1nh t\u1ea5t c\u1ea3 c\u00e1c ch\u1ec9 s\u1ed1 r\u00f5 r\u00e0ng \u0111\u00e3 thu \u0111\u01b0\u1ee3c.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_17.jpg\"><\/p>\n<h3>B\u01b0\u1edbc 3. Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u v\u00e0 c\u00f4ng c\u1ee5<\/h3>\n<p>\u0110\u1ec3 x\u00e2y d\u1ef1ng c\u1ea7u thang b\u1eb1ng tay, b\u1ea1n s\u1ebd c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 sau:<\/p>\n<ul>\n<li>m\u00e1y khoan;<\/li>\n<li>\u0111\u00e3 th\u1ea5y ho\u1eb7c th\u1ee3 \u0111i\u1ec7n;<\/li>\n<li>K\u1ebft th\u00fac c\u01b0a (b\u1ea1n c\u00f3 th\u1ec3 thu\u00ea ho\u1eb7c l\u00e0m m\u00e0 kh\u00f4ng c\u00f3 n\u00f3);<\/li>\n<li>Roulette, tam gi\u00e1c, caliper;<\/li>\n<li>m\u1ed9t c\u00e1i b\u00faa, tua v\u00edt, m\u1ed9t c\u00e1i \u0111\u1ee5c v\u00e0 m\u1ed9t c\u00e1i \u0111\u1ee5c;<\/li>\n<li>b\u00fat ch\u00ec ho\u1eb7c \u0111i\u1ec3m \u0111\u00e1nh d\u1ea5u \u0111\u1ec3 \u0111\u00e1nh d\u1ea5u.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_9.jpg\"><\/p>\n<p>Trong s\u1ed1 c\u00e1c ngu\u1ed3n cung c\u1ea5p \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u:<\/p>\n<ul>\n<li>\u1ed0c v\u00edt t\u1ef1, \u1ed1c v\u00edt, ch\u1ed1t;<\/li>\n<li>Morilka v\u00e0 vecni \u0111\u1ec3 t\u1ea9m g\u1ed7, n\u1ebfu c\u1ea7n thi\u1ebft &#8211; s\u01a1n;<\/li>\n<li>Keo m\u1ed9c.<\/li>\n<\/ul>\n<p>H\u01a1n n\u1eefa, ngu\u1ed3n cung c\u1ea5p \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u1ea7u thang s\u1ebd c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c mua. Vi\u1ec7c s\u1eed d\u1ee5ng b\u1ea3ng chip v\u00e0 c\u00e1c lo\u1ea1i g\u1ed7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a n\u00f3 kh\u00f4ng \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch b\u1edfi v\u00ec c\u1ea5u tr\u00fac s\u1ebd m\u1ecfng manh v\u00e0 t\u1ed3n t\u1ea1i trong th\u1eddi gian ng\u1eafn, g\u00e2y ra r\u1ee7i ro l\u1edbn cho s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi c\u01b0 ng\u1ee5 trong nh\u00e0. Do \u0111\u00f3, b\u1ea1n ph\u1ea3i ch\u1ecdn m\u1ed9t kh\u1ed1i g\u1ed7:<\/p>\n<ul>\n<li>Pine l\u00e0 l\u1ef1a ch\u1ecdn ng\u00e2n s\u00e1ch nh\u1ea5t, n\u00f3 r\u1ea5t d\u1ec5 l\u00e0m vi\u1ec7c v\u1edbi n\u00f3, nh\u01b0ng n\u00f3 b\u1ecb hao m\u00f2n nhanh ch\u00f3ng, ph\u00f9 h\u1ee3p cho c\u1ea7u thang hi\u1ebfm khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng;<\/li>\n<li>Ash v\u00e0 Beech l\u00e0 kh\u00f4ng t\u1ed1n k\u00e9m, nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng cao, ph\u1ee5c v\u1ee5 trong m\u1ed9t th\u1eddi gian d\u00e0i, gi\u1eef \u0111\u01b0\u1ee3c s\u1ee9c m\u1ea1nh c\u1ee7a c\u1ea5u tr\u00fac, kh\u00e1c nhau trong m\u1ed9t m\u00f4 h\u00ecnh g\u1ed7 \u0111\u1eb9p;<\/li>\n<li>Oak l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u1eaft ti\u1ec1n, r\u1ea5t b\u1ec1n, n\u00f3 tr\u00f4ng cao c\u1ea5p v\u00e0 tr\u00f4ng tuy\u1ec7t v\u1eddi trong n\u1ed9i th\u1ea5t.<\/li>\n<\/ul>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t m\u1ed9t v\u1ebft c\u1eaft trong m\u1ed9t x\u01b0\u1edfng ch\u1ebf bi\u1ebfn g\u1ed7 ho\u1eb7c t\u1eeb ng\u01b0\u1eddi b\u00e1n, v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00ednh to\u00e1n tr\u01b0\u1edbc c\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c b\u01b0\u1edbc, kosour, baluster v\u00e0 tay v\u1ecbn. C\u00f4ng vi\u1ec7c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed9c l\u1eadp n\u1ebfu b\u1ea1n s\u1edf h\u1eefu ho\u1eb7c thu\u00ea m\u1ed9t th\u1ee3 \u0111i\u1ec7n.<\/p>\n<h2>Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u1ea7u thang<\/h2>\n<p>H\u1ecd b\u1eaft \u0111\u1ea7u l\u1eafp r\u00e1p c\u1ea7u thang sau khi c\u00e1c t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb.<\/p>\n<h3>B\u01b0\u1edbc 1. L\u00e0m vi\u1ec7c v\u1edbi m\u1ed9t kosuer ho\u1eb7c d\u00ec<\/h3>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng Kosour ho\u1eb7c d\u00e2y cung \u0111\u01b0\u1ee3c l\u00e0m s\u1eb5n; Tuy nhi\u00ean, s\u1ed1 l\u01b0\u1ee3ng c\u00e1c b\u01b0\u1edbc v\u00e0 \u0111\u1ed9 cao n\u00e2ng ph\u1ea3i \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o cho h\u1ed9i th\u1ea3o. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c ph\u1ea7n c\u1eaft s\u1ebd \u0111\u01b0\u1ee3c th\u1eadm ch\u00ed v\u00e0 ngay khi t\u00e0i li\u1ec7u \u0111\u01b0\u1ee3c mua, vi\u1ec7c l\u1eafp r\u00e1p b\u1ed5 sung c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_10.jpg\"><\/p>\n<p>N\u1ebfu b\u1ea1n s\u1ebd t\u1ef1 m\u00ecnh th\u1ef1c hi\u1ec7n t\u1ea5t c\u1ea3 c\u00f4ng vi\u1ec7c, tr\u01b0\u1edbc ti\u00ean b\u1ea1n c\u1ea7n ph\u1ea3i \u0111\u00e1nh d\u1ea5u ch\u00f9m tia. \u0110\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n v\u1ebd c\u00e1c g\u00f3c theo t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc \u0111\u00f3 &#8211; trong v\u00ed d\u1ee5 c\u1ee7a ch\u00fang t\u00f4i, n\u00f3 l\u00e0 30 \u0111\u1ed9 cho \u0111\u00e1y v\u00e0 60 cho \u0111\u1ea7u. Sau \u0111\u00f3, c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb c\u1eaft b\u1eb1ng c\u01b0a ho\u1eb7c m\u1ed9t c\u00e1i jig. \u0110\u1ec3 l\u00e0m \u0111i\u1ec1u n\u00e0y, h\u1ecd c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1eb7t n\u01a1i c\u1ea7u thang s\u1ebd \u0111\u1ee9ng. C\u1ea7n ph\u1ea3i ch\u00fa \u00fd kh\u00f4ng ch\u1ec9 cho d\u00f9 kosour v\u1edbi s\u00e0n v\u00e0 t\u01b0\u1eddng h\u1ed9i t\u1ee5, m\u00e0 c\u00f2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c ch\u00f9m \u0111\u1ec1u gi\u1ed1ng nhau &#8211; n\u1ebfu c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa th\u1eadm ch\u00ed v\u00e0i milimet gi\u1eefa ch\u00fang, t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a c\u1ea5u tr\u00fac s\u1ebd b\u1ecb v\u1ee1.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_11.jpg\"><\/p>\n<p>Ti\u1ebfp theo, b\u1eaft \u0111\u1ea7u c\u1eaft b\u1ecf h\u00ecnh d\u1ea1ng \u0111\u1ec3 \u0111\u1eb7t b\u00ean d\u01b0\u1edbi c\u1ea7u thang. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t song song v\u1edbi s\u00e0n nh\u00e0; M\u1ed9t h\u00ecnh tam gi\u00e1c g\u00f3c ph\u1ea3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u00e1nh d\u1ea5u b\u1eb1ng ph\u1eb3ng. \u0110\u01b0\u1eddng vi\u1ec1n c\u1ed5 \u00e1o th\u1eb3ng \u0111\u1ee9ng l\u00e0 chi\u1ec1u cao \u01b0\u1edbc t\u00ednh c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ph\u00e1p (chi\u1ec1u cao c\u1ee7a \u0111\u1ed9 d\u00e0y b\u1ea3ng tr\u1eeb board) v\u00e0 \u0111\u01b0\u1eddng vi\u1ec1n c\u1ed5 ngang l\u00e0 chi\u1ec1u r\u1ed9ng c\u1ee7a b\u01b0\u1edbc (27 Hay30 cm).<\/p>\n<p>Congring \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng c\u00e1c h\u1ed1c \u0111\u01b0\u1ee3c t\u1ea1o ra trong ch\u00f9m tia thay cho c\u00e1c ph\u1ea7n c\u1eaft.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_18.jpg\"><\/p>\n<p>Kosour \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u1edbi bu l\u00f4ng neo v\u00e0o t\u01b0\u1eddng v\u00e0 s\u00e0n. K\u00edch th\u01b0\u1edbc bu l\u00f4ng l\u1edbn h\u01a1n l\u00e0 c\u1ea7n thi\u1ebft theo t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u1ea5u tr\u00fac. C\u00e1c d\u00e2y cung \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc; Tuy nhi\u00ean, n\u00f3 \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o s\u00e0n sau khi k\u1ebft n\u1ed1i v\u1edbi c\u00e1c b\u01b0\u1edbc, gi\u00fap l\u1eafp r\u00e1p d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<h3>B\u01b0\u1edbc 2. Ch\u00fang t\u00f4i thu th\u1eadp c\u00e1c b\u01b0\u1edbc<\/h3>\n<p>Ngay khi c\u01a1 s\u1edf c\u1ea7u thang \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb, h\u00e3y b\u1eaft \u0111\u1ea7u l\u1eafp r\u00e1p khung. N\u1ebfu m\u1ed9t gi\u00e1 \u0111\u1ee1 \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, m\u1ed9t m\u0169i khoan v\u00e0 \u1ed1c v\u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m c\u00e1c b\u01b0\u1edbc v\u00e0o ph\u1ea7n nh\u00f4 ra. Ch\u00fang \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf c\u00e1c g\u00f3c \u1edf b\u1ed1n \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau. Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch, vi\u1ec7c l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n l\u1ea7n l\u01b0\u1ee3t: b\u01b0\u1edbc \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u01b0\u1edbc, ti\u1ebfp theo l\u00e0 g\u1ea7n \u0111\u00fang, v.v. Keo c\u1ee7a th\u1ee3 m\u1ed9c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t keo b\u1ed5 sung tr\u01b0\u1edbc khi khoan c\u00e1c b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c n\u1ed1i.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_12.jpg\"><\/p>\n<p>M\u1ed9t c\u1ea7u thang ho\u1ea1t \u0111\u1ed9ng theo c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc nh\u01b0 m\u1ed9t d\u00e2y cung. C\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o c\u00e1c r\u00e3nh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u0169i khoan v\u00e0 v\u00edt t\u1ef1 khai th\u00e1c sau khi \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n tr\u01b0\u1edbc \u0111\u00f3 b\u1eb1ng keo m\u1ed9c. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c thu th\u1eadp b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Kosoura.<\/p>\n<h3>B\u01b0\u1edbc 3. C\u00e0i \u0111\u1eb7t lan can<\/h3>\n<p>Balusters c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t d\u1ec5 d\u00e0ng nh\u1ea5t b\u1eb1ng c\u00e1ch v\u1eb7n ch\u00fang v\u00e0o m\u1ed9t gi\u00e1 \u0111\u1ee1 ho\u1eb7c ru\u1ed9t t\u1eeb b\u00ean. Tr\u01b0\u1edbc \u0111\u00f3, ch\u00fang b\u1ecb c\u1eaft \u1edf m\u1ed9t g\u00f3c \u0111\u1ec3 c\u00e1c c\u1ea1nh c\u1ee7a d\u1ea7m th\u1eb3ng h\u00e0ng v\u1edbi c\u0103n c\u1ee9 c\u1ee7a c\u1ea7u thang. Sau \u0111\u00f3, s\u1eed d\u1ee5ng nhi\u1ec1u \u1ed1c v\u00edt t\u1ef1 khai th\u00e1c, ch\u00fang \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o c\u1ea5u tr\u00fac. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c baluss li\u1ec1n k\u1ec1 l\u00e0 gi\u1ed1ng nhau. M\u1ed7i th\u00e0nh ph\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t ch\u00ednh x\u00e1c gi\u1eefa b\u01b0\u1edbc \u0111\u1ec3 tr\u00e1nh th\u1ef1c hi\u1ec7n c\u00e1c t\u00ednh to\u00e1n ph\u1ee9c t\u1ea1p.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_13.jpg\"><\/p>\n<p>M\u1eb7c d\u00f9 t\u00f9y ch\u1ecdn th\u1ee9 hai ph\u1ee9c t\u1ea1p h\u01a1n, thi\u1ebft k\u1ebf n\u00e0y s\u1ebd xu\u1ea5t hi\u1ec7n th\u1ef1c t\u1ebf h\u01a1n. Tr\u01b0\u1edbc khi c\u00e0i \u0111\u1eb7t tr\u00ean Kosour, tay v\u1ecbn th\u1eb3ng \u0111\u1ee9ng ph\u1ea3i \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean v\u00e0 cu\u1ed1i c\u00f9ng. Balusters \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u1ea7u thang v\u00e0 thanh ngang \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o tay v\u1ecb.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_14.jpg\"><\/p>\n<p>M\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c, c\u0169ng \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 th\u1ef1c hi\u1ec7n, c\u00e1c cu\u1ed9c g\u1ecdi cho Balusters \u0111\u01b0\u1ee3c \u0111i\u1ec1n \u0111\u1ed9c quy\u1ec1n t\u1eeb tr\u00ean cao. V\u00edt t\u1ef1 khai th\u00e1c \u0111\u01b0\u1ee3c \u0111\u1eb7t vu\u00f4ng g\u00f3c v\u1edbi s\u00e0n v\u00e0 \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o c\u1ea5u tr\u00fac khi ch\u00fang \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u1ea1nh c\u1ee7a c\u00e1c b\u01b0\u1edbc. L\u1ee3i \u00edch ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t n\u00e0y l\u00e0 kho\u1ea3ng c\u00e1ch baluster kh\u00f4ng c\u1ea7n ph\u1ea3i t\u00ednh to\u00e1n.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_15.jpg\"><\/p>\n<h3>B\u01b0\u1edbc 4. Ch\u00fang t\u00f4i x\u1eed l\u00fd g\u1ed7<\/h3>\n<p>Vi\u1ec7c ch\u00e0 nh\u00e1m g\u1ed7 l\u00e0 c\u1ea7n thi\u1ebft sau khi thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c thu th\u1eadp. M\u1eb7c d\u00f9 t\u1ea1o ra m\u1ed9t m\u00e1y m\u00e0i l\u00e0 thu\u1eadn ti\u1ec7n, n\u1ebfu kh\u00f4ng c\u00f3 s\u1eb5n, b\u1ea1n v\u1eabn c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c b\u1eb1ng tay v\u1edbi gi\u1ea5y nh\u00e1m nh\u1ecf; Qu\u00e1 tr\u00ecnh s\u1ebd m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n, nh\u01b0ng k\u1ebft qu\u1ea3 s\u1ebd v\u1eabn gi\u1eef nguy\u00ean.<\/p>\n<p>Ti\u1ebfp theo, \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd h\u1eefu \u00edch c\u1ee7a n\u00f3 v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a k\u00fd sinh tr\u00f9ng, c\u1ea7u thang b\u1eb1ng g\u1ed7 c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u tr\u1ecb b\u1eb1ng m\u1ed9t ch\u1ea5t kh\u1eed tr\u00f9ng.<\/p>\n<p>B\u01b0\u1edbc cu\u1ed1i c\u00f9ng l\u00e0 vecni, kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 c\u1ea5u tr\u00fac m\u00e0 c\u00f2n mang l\u1ea1i cho n\u00f3 v\u1ebb ngo\u00e0i v\u01b0\u01a1ng gi\u1ea3 h\u01a1n v\u00e0 l\u00e0m n\u1ed5i b\u1eadt m\u00f4 h\u00ecnh t\u1ef1 nhi\u00ean ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e2y. N\u1ed9i th\u1ea5t v\u00e0 s\u1edf th\u00edch c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu s\u1ebd x\u00e1c \u0111\u1ecbnh li\u1ec7u c\u1ea7u thang c\u00f3 \u0111\u01b0\u1ee3c s\u01a1n hay kh\u00f4ng.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter\"  src=\"\/wp-content\/uploads\/2024\/07\/kak-sdelat-lestnicu-na-vtoroj-jetazh_16.jpg\"><\/p>\n<table>\n<tbody>\n<tr>\n<td>V\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft<\/td>\n<td>C\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft<\/td>\n<\/tr>\n<tr>\n<td>T\u1ea5m v\u00e1n g\u1ed7, \u1ed1c v\u00edt, m\u00f3ng tay, b\u0103ng \u0111o, c\u1ea5p \u0111\u1ed9<\/td>\n<td>C\u01b0a, khoan, tu\u1ed1c n\u01a1 v\u00edt, b\u00faa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Khi x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o m\u1ed9t ng\u00f4i nh\u00e0, x\u00e2y d\u1ef1ng c\u1ea7u thang l\u00ean t\u1ea7ng hai l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n h\u1ee3p l\u00fd v\u00e0 c\u1ea7n thi\u1ebft. N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ec1 t\u00ednh th\u1ef1c t\u1ebf; An to\u00e0n v\u00e0 h\u1ea5p d\u1eabn th\u1ea9m m\u1ef9 c\u0169ng r\u1ea5t quan tr\u1ecdng.<\/p>\n<p>T\u00ednh \u0111\u1ebfn b\u1ed1 c\u1ee5c chung c\u1ee7a nh\u00e0 b\u1ea1n c\u0169ng nh\u01b0 kh\u00f4ng gian c\u00f3 s\u1eb5n khi thi\u1ebft k\u1ebf c\u1ea7u thang c\u1ee7a b\u1ea1n. C\u1ea7u thang n\u00ean d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a thi\u1ebft k\u1ebf ki\u1ebfn \u200b\u200btr\u00fac c\u1ee7a ng\u00f4i nh\u00e0.<\/p>\n<p>\u0110\u01b0a ra l\u1ef1a ch\u1ecdn v\u1eadt ch\u1ea5t h\u1ee3p l\u00fd b\u1eb1ng c\u00e1ch c\u00e2n nh\u1eafc chi ph\u00ed, \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00ednh th\u1ea9m m\u1ef9. Trong khi kim lo\u1ea1i cung c\u1ea5p m\u1ed9t di\u1ec7n m\u1ea1o hi\u1ec7n \u0111\u1ea1i v\u00e0 h\u1ed7 tr\u1ee3 c\u1ea5u tr\u00fac m\u1ea1nh m\u1ebd, g\u1ed7 v\u1eabn l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn v\u00ec s\u1ef1 \u1ea5m \u00e1p v\u00e0 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng c\u1ee7a n\u00f3. \u0110\u1ea3m b\u1ea3o c\u00e1c t\u00e0i li\u1ec7u b\u1ea1n ch\u1ecdn tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh an to\u00e0n v\u00e0 m\u00e3 x\u00e2y d\u1ef1ng.<\/p>\n<p>C\u00e0i \u0111\u1eb7t k\u00eau g\u1ecdi t\u00ednh ch\u00ednh x\u00e1c v\u00e0 tu\u00e2n th\u1ee7 m\u00e3 x\u00e2y d\u1ef1ng khu v\u1ef1c. Cho d\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang xo\u1eafn \u1ed1c, h\u00ecnh ch\u1eef L ho\u1eb7c th\u1eb3ng, m\u1ecdi b\u01b0\u1edbc c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u1eafc ch\u1eafn v\u00e0 v\u00ec s\u1ef1 an to\u00e0n, c\u1ea7n ph\u1ea3i c\u00f3 \u0111\u1ee7 lan can v\u00e0 tay v\u1ecbn.<\/p>\n<p>Cu\u1ed1i c\u00f9ng, \u0111\u1eebng \u0111\u00e1nh gi\u00e1 th\u1ea5p t\u1ea7m quan tr\u1ecdng c\u1ee7a kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn v\u00e0 \u00e1nh s\u00e1ng. An to\u00e0n \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n b\u1eb1ng c\u00e1ch c\u00f3 \u0111\u1ee7 \u00e1nh s\u00e1ng d\u1ecdc theo c\u1ea7u thang, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00e0o ban \u0111\u00eam. H\u01a1n n\u1eefa, h\u00e3y t\u00ednh \u0111\u1ebfn c\u00e1c y\u00eau c\u1ea7u c\u1ee7a m\u1ecdi th\u00e0nh vi\u00ean trong gia \u0111\u00ecnh, bao g\u1ed3m c\u1ea3 nh\u1eefng ng\u01b0\u1eddi c\u00f3 th\u00e1ch th\u1ee9c di \u0111\u1ed9ng, b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o c\u1ea7u thang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 d\u1ec5 d\u00e0ng truy c\u1eadp.<\/p>\n<h2>Video v\u1ec1 ch\u1ee7 \u0111\u1ec1<\/h2>\n<h3>C\u1ea7u thang ng\u00e2n s\u00e1ch t\u1eeb b\u1ea3ng 150 \\ 50 (ho\u1eb7c c\u1ea7u thang \u0111en t\u1ea1m th\u1eddi)<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/NWko1dz9DKY\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>C\u1ea7u thang kim lo\u1ea1i v\u1edbi b\u00e0n tay c\u1ee7a ch\u00ednh b\u1ea1n<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/xkxioQIzE-o\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>T\u00f4i ti\u1ebft ki\u1ec7m tr\u00ean c\u1ea7u thang. Th\u1ee3 h\u00e0n t\u1ef1!! Ch\u00fang t\u00f4i \u0111ang x\u00e2y d\u1ef1ng cho ch\u00ednh m\u00ecnh<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/LMVKyabLyPU\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>L\u00e0m m\u1ed9t c\u1ea7u thang b\u1eb1ng g\u1ed7 v\u1edbi \u0111\u00f4i tay c\u1ee7a b\u1ea1n trong m\u1ed9t ng\u00f4i nh\u00e0 ri\u00eang ho\u1eb7c dacha cho t\u1ea7ng 2 trong 3 ng\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 r\u1ebb ti\u1ec1n<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/LGasIgg66RE\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>C\u1ea7u thang g\u1ed7 t\u1ef1 l\u00e0m l\u00ean t\u1ea7ng hai. C\u00e1ch l\u00e0m c\u1ea7u thang t\u1eeb c\u00e1c b\u1ea3ng<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/aZPis50uvF4\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n<h3>C\u00e1ch t\u00ednh c\u1ea7u thang l\u00ean t\u1ea7ng hai<\/h3>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/I1H58JM7kjU\" frameborder=\"0\" allow=\"autoplay; encrypted-media\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t trong nh\u1eefng kh\u00eda c\u1ea1nh quan tr\u1ecdng nh\u1ea5t c\u1ee7a vi\u1ec7c x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o m\u1ed9t ng\u00f4i nh\u00e0 l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang l\u00ean t\u1ea7ng hai. \u0110\u00f3 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n t\u00ednh th\u1ea9m m\u1ef9 t\u1ed5ng th\u1ec3 c\u1ee7a kh\u00f4ng gian s\u1ed1ng c\u1ee7a b\u1ea1n ngo\u00e0i vi\u1ec7c l\u00e0 m\u1ed9t nhu c\u1ea7u [&hellip;]<\/p>\n","protected":false},"author":50,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-2263","post","type-post","status-publish","format-standard","","category-useful-tips"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>C\u1ea7u thang b\u1eb1ng g\u1ed7 tr\u00ean t\u1ea7ng hai b\u1eb1ng tay c\u1ee7a b\u1ea1n, c\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n v\u00e0 l\u1eafp \u0111\u1eb7t c\u1ea7u thang<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u c\u00e1ch x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang ch\u1eafc ch\u1eafn l\u00ean t\u1ea7ng hai v\u1edbi c\u00e1c m\u1eb9o chuy\u00ean gia t\u1eeb &quot;T\u1ea5t c\u1ea3 v\u1ec1 m\u00e1i nh\u00e0&quot;. H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n c\u1ee7a ch\u00fang t\u00f4i bao g\u1ed3m m\u1ecdi th\u1ee9, t\u1eeb l\u1eadp k\u1ebf ho\u1ea1ch v\u00e0 v\u1eadt li\u1ec7u \u0111\u1ebfn x\u00e2y d\u1ef1ng t\u1eebng b\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n cho ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/innfes.com\/vi\/how-to-make-a-staircase-to-the-second-floor\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u1ea7u thang b\u1eb1ng g\u1ed7 tr\u00ean t\u1ea7ng hai b\u1eb1ng tay c\u1ee7a b\u1ea1n, c\u00e1ch th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n v\u00e0 l\u1eafp \u0111\u1eb7t c\u1ea7u thang\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u c\u00e1ch x\u00e2y d\u1ef1ng m\u1ed9t c\u1ea7u thang ch\u1eafc ch\u1eafn l\u00ean t\u1ea7ng hai v\u1edbi c\u00e1c m\u1eb9o chuy\u00ean gia t\u1eeb &quot;T\u1ea5t c\u1ea3 v\u1ec1 m\u00e1i nh\u00e0&quot;. 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