{"id":2801,"date":"2024-07-02T11:38:46","date_gmt":"2024-07-02T08:38:46","guid":{"rendered":"https:\/\/innfes.com\/vi\/nasher-rafters-overview-of-structural-schemes\/"},"modified":"2024-07-02T11:38:46","modified_gmt":"2024-07-02T08:38:46","slug":"nasher-rafters-overview-of-structural-schemes","status":"publish","type":"post","link":"https:\/\/innfes.com\/vi\/nasher-rafters-overview-of-structural-schemes\/","title":{"rendered":"Nasher Rafters: T\u1ed5ng quan v\u1ec1 c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac + K\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t"},"content":{"rendered":"\n

L\u1eddi ch\u00e0o v\u00e0 ch\u00e0o m\u1eebng \u0111\u1ebfn v\u1edbi "T\u1ea5t c\u1ea3 v\u1ec1 m\u00e1i nh\u00e0" n\u01a1i ch\u00fang t\u00f4i s\u1ebd ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a h\u1ec7 th\u1ed1ng l\u1ee3p. Ng\u00e0y nay, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a b\u00e8 Nasher, \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn l\u1ecbch tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a h\u1ecd.<\/p>\n

Nasher Rafters, n\u1ed5i ti\u1ebfng v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i hi\u1ec7u qu\u1ea3 v\u00e0 h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd, l\u00e0 nh\u1eefng ph\u1ea7n thi\u1ebft y\u1ebfu c\u1ee7a x\u00e2y d\u1ef1ng m\u00e1i nh\u00e0. Nh\u1eefng chi\u1ebfc b\u00e8 n\u00e0y l\u00e0 x\u01b0\u01a1ng s\u1ed1ng c\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t m\u00e1i nh\u00e0, cung c\u1ea5p cho m\u00e1i nh\u00e0 bao ph\u1ee7 s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ea7n thi\u1ebft v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed9t m\u00e1i nh\u00e0 m\u1ea1nh m\u1ebd v\u00e0 ki\u00ean c\u01b0\u1eddng, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac c\u1ee7a ch\u00fang.<\/p>\n

Nasher Rafters \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t theo k\u1ebf ho\u1ea1ch chi ti\u1ebft \u0111\u1ea3m b\u1ea3o \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u00e0 ph\u00f9 h\u1ee3p an to\u00e0n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n, c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng, c\u0103n ch\u1ec9nh v\u00e0 bu\u1ed9c ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t. Ngo\u00e0i vi\u1ec7c t\u0103ng s\u1ee9c m\u1ea1nh c\u1ee7a m\u00e1i nh\u00e0, vi\u1ec7c l\u1eafp \u0111\u1eb7t th\u00edch h\u1ee3p c\u0169ng c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i c\u1ee7a m\u00e1i nh\u00e0.<\/p>\n

Ki\u1ec3m tra c\u00e1c thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a Nasher Rafters cung c\u1ea5p th\u00f4ng tin v\u1ec1 c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y h\u1ed7 tr\u1ee3 s\u1ef1 \u1ed5n \u0111\u1ecbnh t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1i nh\u00e0. C\u00e1c chuy\u00ean gia l\u1ee3p c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1i nh\u00e0 t\u1ed3n t\u1ea1i theo th\u1eddi gian b\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch nhi\u1ec1u ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf cho m\u1ed9t lo\u1ea1t c\u00e1c phong c\u00e1ch ki\u1ebfn \u200b\u200btr\u00fac v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Khi ch\u00fang ta t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 Nasher Rafters, c\u00e0i \u0111\u1eb7t ph\u1ee9c t\u1ea1p c\u1ee7a ch\u00fang v\u00e0 c\u00e1ch ch\u00fang \u0111\u00f3ng g\u00f3p cho c\u00e1c h\u1ec7 th\u1ed1ng l\u1ee3p m\u1ea1nh m\u1ebd, h\u00e3y theo d\u00f5i. Bi\u1ebft nh\u1eefng th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu n\u00e0y s\u1ebd cho ph\u00e9p b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh th\u00f4ng tin \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 nhu c\u1ea7u l\u1ee3p c\u1ee7a b\u1ea1n, cho d\u00f9 b\u1ea1n l\u00e0 ng\u01b0\u1eddi x\u00e2y d\u1ef1ng, ch\u1ee7 nh\u00e0 hay ng\u01b0\u1eddi \u0111am m\u00ea l\u1ee3p m\u00e1i.<\/p>\n

C\u00e1c t\u00ednh n\u0103ng c\u1ee7a b\u00e8 x\u1ebfp l\u1edbp<\/h2>\n

Hai ch\u00e2n rafter, c\u00e1c c\u1ea1nh d\u01b0\u1edbi c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean v\u00e0 c\u1ed1 \u0111\u1ecbnh tr\u00ean c\u00e1c b\u1ee9c t\u01b0\u1eddng b\u00ean ngo\u00e0i (Mauerlat) v\u00e0 c\u00e1c c\u1ea1nh tr\u00ean tr\u00ean m\u1ed9t v\u00e1n tr\u01b0\u1ee3t ngang, l\u00e0 c\u00e1c ph\u1ea7n t\u1eed h\u1ee3p ch\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng l\u1edbp. C\u00e1c gi\u00e1 \u0111\u1ee1 d\u1ecdc \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0o b\u1ee9c t\u01b0\u1eddng trung gian, h\u00e3y l\u1ea7n l\u01b0\u1ee3t ch\u1ea1y.<\/p>\n

\u0110\u00e2y l\u00e0 m\u1ed9t s\u01a1 \u0111\u1ed3 thi\u1ebft b\u1ecb h\u1ec7 th\u1ed1ng m\u0169i truy\u1ec1n th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi m\u00e1i \u0111\u1ea7u h\u1ed3i. M\u1ed9t m\u00e1i nh\u00e0 m\u1ed9t m\u1eb7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i c\u00e1c quy t\u1eafc t\u01b0\u01a1ng t\u1ef1, nh\u01b0ng n\u00f3 s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n kh\u00e1c nhau. C\u00e1c b\u1ee9c t\u01b0\u1eddng ch\u1ecbu t\u1ea3i \u1edf ph\u00eda b\u00ean kia l\u00e0 n\u01a1i c\u00e1c b\u00e8 trong h\u1ec7 th\u1ed1ng Rafter \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t (h\u00f3a ra ch\u1ec9 c\u00f3 hai h\u1ed7 tr\u1ee3). Kh\u00f4ng c\u1ea7n ph\u00e2n v\u00f9ng n\u1ed9i b\u1ed9 \u1edf \u0111\u00e2y. Tr\u00ean th\u1ef1c t\u1ebf, m\u1ed9t b\u1ee9c t\u01b0\u1eddng cao h\u01a1n \u0111\u00e1p \u1ee9ng vai tr\u00f2 n\u00e0y.<\/p>\n

Struts \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ec7 th\u1ed1ng \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a thi\u1ebft k\u1ebf Rafter. B\u1ea1n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng chi\u1ec1u d\u00e0i c\u1ee7a c\u00e1c kho\u1ea3ng th\u1eddi gian ch\u1ed3ng ch\u00e9o b\u1eb1ng c\u00e1ch c\u00f3 ch\u00fang \u1edf \u0111\u00f3.<\/p>\n

V\u1edbi kho\u1ea3ng 4.5 m\u00e9t, b\u00e8 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e1i m\u1ed9t m\u1eb7t m\u00e0 kh\u00f4ng c\u1ea7n thanh ch\u1ed1ng. \u0110\u1ed9 d\u00e0i ti\u1ec1m n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c t\u0103ng l\u00ean 6 m v\u1edbi s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a m\u1ed9t thanh ch\u1ed1ng. M\u00e1i \u0111\u1ea7u h\u1ed3i theo m\u1ed9t m\u00f4 h\u00ecnh t\u01b0\u01a1ng t\u1ef1. \u0110\u1ed1i v\u1edbi c\u00e1c kho\u1ea3ng th\u1eddi gian l\u00ean \u0111\u1ebfn ch\u00edn m\u00e9t, m\u1ed9t c\u1ea5u tr\u00fac tr\u01b0\u1ee3t \u0111\u00f4i v\u1edbi m\u1ed9t h\u1ed7 tr\u1ee3 trung gian duy nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. \u0110\u1ed9 d\u00e0i nh\u1ecbp t\u1ed1i \u0111a \u0111\u01b0\u1ee3c t\u0103ng l\u00ean 10 m \u0111\u1ec3 c\u00e0i \u0111\u1eb7t m\u00f9a h\u00e8. L\u00ean \u0111\u1ebfn 14 m\u00e9t c\u00e1c thanh ch\u1ed1ng k\u1ebft h\u1ee3p v\u1edbi m\u1ed9t cu\u1ed9c chi\u1ebfn (ch\u00f9m ngang n\u1ed1i v\u1edbi hai ch\u00e2n c\u1ee7a Rafter).<\/p>\n

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C\u00e1c thanh ch\u1ed1ng h\u1ed7 tr\u1ee3 b\u1ed5 sung, chi\u1ebfn \u0111\u1ea5u v\u00e0 d\u1ea7m Subtrofille \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c c\u1ea5u tr\u00fac kh\u00f4ng c\u00f3 ng\u01b0\u1eddi \u1edf v\u00e0 spacer, trong s\u1ed1 c\u00e1c t\u00f9y ch\u1ecdn kh\u00e1c \u0111\u1ec3 tri\u1ec3n khai c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n l\u1edbp.<\/p>\n

H\u00e3y suy ngh\u0129 v\u1ec1 c\u00e1c b\u1ed1 c\u1ee5c c\u01a1 b\u1ea3n c\u1ee7a nh\u1eefng chi\u1ebfc b\u00e8 x\u1ebfp l\u1edbp.<\/p>\n

Rafters phun m\u00e0 kh\u00f4ng c\u00f3 thanh ch\u1ed1ng<\/h2>\n

Kh\u00f4ng c\u00f3 mi\u1ebfng \u0111\u1ec7m n\u00e0o \u0111\u01b0\u1ee3c cung c\u1ea5p tr\u00ean c\u00e1c b\u1ee9c t\u01b0\u1eddng b\u00ean ngo\u00e0i v\u1edbi lo\u1ea1i b\u00e8 x\u1ebfp l\u1edbp n\u00e0y. S\u1ef1 k\u1ebft h\u1ee3p d\u00e2y bu\u1ed9c \u0111\u1ed9c \u0111\u00e1o l\u00e0 nguy\u00ean nh\u00e2n c\u1ee7a vi\u1ec7c san l\u1ea5p t\u1ea3i tr\u1ecdng. C\u1ea1nh th\u1ee9 hai c\u1ee7a Rafter lu\u00f4n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi m\u1ed9t c\u01a1 ch\u1ebf tr\u01b0\u1ee3t, trong khi \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc. \u0110i\u1ec1u n\u00e0y ch\u1ec9 ra r\u1eb1ng kh\u00f4ng c\u00f3 thanh ch\u1ed1ng.<\/p>\n

M\u1eb7c d\u00f9 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 t\u1ef1 do cho ch\u00f9m tia xoay trong b\u1ea3n l\u1ec1, nh\u01b0ng vi\u1ec7c bu\u1ed9c c\u1ee9ng c\u00f3 th\u1ec3 ch\u1ec9 ra r\u1eb1ng n\u00fat \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh. Ngo\u00e0i ra, ch\u00f9m Rafter b\u1ecb ch\u00e8n \u00e9p m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc, l\u00e0m cho b\u1ea5t k\u1ef3 s\u1ef1 d\u1ecbch chuy\u1ec3n n\u00e0o kh\u00f4ng th\u1ec3 (kh\u00f4ng c\u00f3 m\u1ee9c \u0111\u1ed9 t\u1ef1 do).<\/p>\n

M\u1ed9t gi\u00e1 treo tr\u01b0\u1ee3t cung c\u1ea5p s\u1ef1 linh ho\u1ea1t b\u1ed5 sung b\u1eb1ng c\u00e1ch cho ph\u00e9p ch\u00e2n Rafter di chuy\u1ec3n theo chi\u1ec1u ngang ngo\u00e0i vi\u1ec7c quay (hai \u0111\u1ed9 t\u1ef1 do).<\/p>\n

C\u1ea5u tr\u00fac quay \u0111\u01b0\u1ee3c ti\u00eau bi\u1ec3u b\u1edfi s\u1ef1 hi\u1ec7n di\u1ec7n li\u00ean t\u1ee5c c\u1ee7a c\u1ea3 tr\u01b0\u1ee3t v\u00e0 g\u1eafn c\u1ee9ng. K\u1ebft qu\u1ea3 l\u00e0, nh\u1eefng chi\u1ebfc b\u00e8 \u0111ang u\u1ed1n cong d\u01b0\u1edbi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a t\u1ea3i m\u00e0 kh\u00f4ng chuy\u1ec3n mi\u1ebfng \u0111\u1ec7m v\u00e0o c\u00e1c b\u1ee9c t\u01b0\u1eddng.<\/p>\n

C\u00e1c t\u00f9y ch\u1ecdn \u0111\u1ec3 s\u1eeda ch\u1eefa ch\u00e2n rafter<\/h3>\n

Ph\u1ea7n d\u01b0\u1edbi c\u1ee7a Rafter \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc, ph\u1ea7n tr\u00ean l\u00e0 mi\u1ec5n ph\u00ed (h\u1ed7 tr\u1ee3 tr\u01b0\u1ee3t)<\/h4>\n

B\u1eb1ng c\u00e1ch c\u1eaft r\u0103ng, c\u1ea1nh d\u01b0\u1edbi c\u1ee7a b\u00e8 \u0111\u01b0\u1ee3c bu\u1ed9c ch\u1eb7t v\u00e0o Mauerlat (m\u1ed9t m\u1ee9c \u0111\u1ed9 t\u1ef1 do). M\u1ed9t t\u00ecnh hu\u1ed1ng kh\u00e1c li\u00ean quan \u0111\u1ebfn vi\u1ec7c c\u1eaft trong khi thanh h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh.<\/p>\n

M\u1ed9t v\u1ebft c\u1eaft ngang c\u00f3 v\u00e1t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf \u0111\u1ea7u c\u1ee7a b\u00e8. Trong tr\u01b0\u1eddng h\u1ee3p chi\u1ebfc kh\u0103n tay l\u00e0 kh\u00f4ng kh\u1ea3 thi, c\u1ea1nh c\u1ee7a ch\u00e2n rafter \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u00ean d\u01b0\u1edbi b\u1eb1ng c\u00e1ch c\u1eaft ch\u00f9m tia v\u00e0 c\u00e1c t\u1ea5m l\u1eafp \u0111\u01b0\u1ee3c bu\u1ed9c ch\u1eb7t \u1edf c\u1ea3 hai b\u00ean. T\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i h\u1ed7 tr\u1ee3 tr\u01b0\u1ee3t, c\u1ea1nh tr\u00ean c\u1ee7a chi\u1ebfc b\u00e8 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t \u0111\u1ec3 ch\u1ea1y. \u0110\u1ed3ng th\u1eddi, con ng\u1ef1a \u0111\u01b0\u1ee3c t\u1ea3i xen k\u1ebd v\u1edbi nh\u1eefng chi\u1ebfc b\u00e8 \u0111\u1ed1i di\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m. Do \u0111\u00f3, m\u1ed9t m\u00e1i \u0111\u1ea7u h\u1ed3i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo k\u1ebf ho\u1ea1ch n\u00e0y c\u00f3 th\u1ec3 l\u00e0 hai m\u00e1i nh\u00e0 m\u1ed9t m\u1eb7t c\u1ea1nh nhau.<\/p>\n

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Ch\u01b0\u01a1ng tr\u00ecnh n\u00e0y r\u1ea5t kh\u00f3 kh\u0103n v\u00ec m\u1ed9t l\u1ed7i duy nh\u1ea5t trong vi\u1ec7c tri\u1ec3n khai c\u1ee7a Node Node bi\u1ebfn c\u1ea5u tr\u00fac kh\u00f4ng th\u1ec3 tha th\u1ee9 th\u00e0nh m\u1ed9t mi\u1ebfng \u0111\u1ec7m. K\u1ebft qu\u1ea3 l\u00e0, d\u1ecbch chuy\u1ec3n m\u1ed9t l\u1ea7n l\u00e0 ph\u1ed5 bi\u1ebfn h\u01a1n so v\u1edbi m\u00e1i \u0111\u1ea7u h\u1ed3i khi s\u1eed d\u1ee5ng t\u00f9y ch\u1ecdn n\u00e0y.<\/p>\n

\u0110\u00e1y ch\u00e2n rafter \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh t\u1ef1 do, ph\u1ea7n tr\u00ean l\u00e0 kh\u00f3 kh\u0103n<\/h4>\n

K\u1ebf ho\u1ea1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t cho c\u00e1c ng\u00f4i nh\u00e0 ri\u00eang l\u1ebb.<\/p>\n

\u0110\u1ec3 cho ph\u00e9p n\u00f3 di chuy\u1ec3n v\u00e0 u\u1ed1n cong d\u01b0\u1edbi t\u1ea3i, c\u1ea1nh d\u01b0\u1edbi c\u1ee7a b\u00e8 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0o Mauerlat tr\u00ean thanh tr\u01b0\u1ee3t (khung kim lo\u1ea1i). N\u00f3 \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m \u1edf c\u1ea3 hai b\u00ean b\u1eb1ng c\u00e1c thanh ho\u1eb7c g\u00f3c kim lo\u1ea1i \u0111\u1ec3 ng\u0103n Rafeilo c\u00f3 th\u1ec3 "r\u1eddi \u0111i" theo h\u01b0\u1edbng b\u00ean.<\/p>\n

M\u1ed9t m\u1ee9c \u0111\u1ed9 t\u1ef1 do \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u1ed9t b\u1ea3n l\u1ec1 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u1ea7n tr\u00ean c\u1ee7a ch\u00e2n Rafter. \u0110\u1ed3ng th\u1eddi, c\u00e1c n\u00fat tr\u01b0\u1ee3t b\u0103ng c\u1ee7a c\u00e1c lo\u1ea1i b\u00e8 x\u1ebfp l\u1edbp n\u00e0y ho\u1ea1t \u0111\u1ed9ng nh\u01b0 sau: C\u00e1c c\u1ea1nh c\u1ee7a Rafter \u0111\u01b0\u1ee3c kh\u00e2u l\u1ea1i v\u1edbi nhau v\u00e0 g\u1eafn ch\u1eb7t v\u1edbi nhau b\u1eb1ng bu l\u00f4ng ho\u1eb7c m\u00f3ng tay. Ngo\u00e0i ra, ch\u00fang c\u1eaft s\u1eb5n c\u00e1c \u0111\u1ea7u v\u00e0 tham gia c\u00f9ng ch\u00fang \u1edf m\u1ed9t g\u00f3c tr\u01b0\u1edbc khi r\u00e0ng bu\u1ed9c ch\u00fang v\u1edbi m\u1ed9t l\u1edbp l\u00f3t b\u1eb1ng g\u1ed7 ho\u1eb7c kim lo\u1ea1i.<\/p>\n

<\/p>\n

\u0110\u00e1y c\u1ee7a ch\u00e2n rafter \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh t\u1ef1 do, ph\u1ea7n tr\u00ean \u0111\u01b0\u1ee3c v\u00e9o c\u1ee9ng<\/h4>\n

S\u01a1 \u0111\u1ed3 n\u00e0y kh\u00e1c v\u1edbi c\u00e1i tr\u01b0\u1edbc \u0111\u00f3 trong \u0111\u00f3 c\u00e1c nh\u00fam c\u1ee9ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c b\u00e8 trong n\u00fat tr\u01b0\u1ee3t b\u0103ng. Skate ch\u1ea1y b\u1edfi hai thanh ngang \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi c\u00e1c b\u00e8 v\u1edbi c\u00e1c \u0111\u1ea7u c\u1eaft, d\u1ef1a tr\u00ean nhau. M\u1ed9t n\u00fat xu\u1ea5t hi\u1ec7n khi b\u1ea1n v\u00e9o n\u00f3.<\/p>\n

Tr\u00ean thanh tr\u01b0\u1ee3t, \u0111\u00e1y ch\u00e2n rafter \u0111\u01b0\u1ee3c g\u1eafn t\u1ef1 do v\u00e0o Mauerlat.<\/p>\n

Do kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cao h\u01a1n c\u1ee7a n\u00f3, bi\u1ebfn th\u1ec3 \u1ed1c v\u00edt n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng khu v\u1ef1c m\u00e0 tuy\u1ebft r\u01a1i th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n

<\/p>\n

C\u00e1c c\u00e1ch \u0111\u1ec3 t\u0103ng t\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00e1 nh\u00e2n<\/h3>\n

T\u00ednh \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea3 ba h\u1ec7 th\u1ed1ng Rafter \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n khi ch\u1ea1y s\u01b0\u1eddn n\u00fai \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc. N\u00f3i c\u00e1ch kh\u00e1c, khi k\u1ebft th\u00fac c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c b\u00e0n \u0111\u1ea1p ho\u1eb7c tr\u1ea3i ra b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nhi\u1ec1u h\u01a1n.<\/p>\n

N\u1ebfu tr\u01b0\u1ee3t b\u0103ng ch\u1ec9 d\u1ef1a v\u00e0o gi\u00e1 \u0111\u1ee1, m\u00e1i nh\u00e0 c\u00f3 th\u1ec3 tr\u1edf n\u00ean kh\u00f4ng \u1ed5n \u0111\u1ecbnh. M\u00e1i nh\u00e0 s\u1ebd d\u1ecbch chuy\u1ec3n theo h\u01b0\u1edbng t\u1ea3i t\u0103ng l\u00ean trong c\u00e1c \u0111\u1ec9nh \u0111\u01b0\u1ee3c xem x\u00e9t b\u1edfi c\u00e1c t\u00f9y ch\u1ecdn th\u1ee9 hai v\u00e0 th\u1ee9 ba (\u0111\u1ec9nh \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc v\u00e0 ph\u1ea7n d\u01b0\u1edbi c\u1ee7a ch\u00e2n Rafter tr\u00ean thanh tr\u01b0\u1ee3t). L\u1ef1a ch\u1ecdn ban \u0111\u1ea7u s\u1ebd duy tr\u00ec bi\u1ec3u m\u1eabu, nh\u01b0ng ch\u1ec9 khi c\u00e1c gi\u00e1 \u0111\u1ee1 ch\u00ednh x\u00e1c theo chi\u1ec1u d\u1ecdc (d\u01b0\u1edbi \u0111\u01b0\u1eddng ch\u1ea1y).<\/p>\n

N\u00f3 \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 b\u1eb1ng m\u1ed9t cu\u1ed9c chi\u1ebfn ngang \u0111\u1ec3, m\u1eb7c d\u00f9 c\u00f3 s\u1ef1 c\u1ed1 \u0111\u1ecbnh kh\u00f4ng ph\u1ea3i ng\u01b0\u1eddi Alien c\u1ee7a c\u00e1c l\u1ea7n ch\u1ea1y v\u00e0 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, c\u00e1c con b\u00e8 \u0111\u0129 v\u1eabn \u1ed5n \u0111\u1ecbnh. M\u1ed9t cu\u1ed9c chi\u1ebfn l\u00e0 m\u1ed9t ch\u00f9m th\u01b0\u1eddng chia s\u1ebb m\u1eb7t c\u1eaft c\u1ee7a b\u00e8.<\/p>\n

B\u00e8 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o n\u00f3 b\u1eb1ng bu l\u00f4ng ho\u1eb7c m\u00f3ng tay. Chi\u1ebfn \u0111\u1ea5u m\u00f3ng c\u1ed1 \u0111\u1ecbnh giao \u0111i\u1ec3m c\u1ee7a c\u00e1c tr\u1eadn \u0111\u00e1nh v\u00e0 gi\u00e1 \u0111\u1ee1. Ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 cu\u1ed9c chi\u1ebfn nh\u01b0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p kh\u1ea9n c\u1ea5p. Khi t\u1ea3i tr\u1ecdng l\u1edbn, kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho m\u1ed9t \u0111\u1ed9 d\u1ed1c, cu\u1ed9c chi\u1ebfn l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a c\u00f4ng vi\u1ec7c v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n

<\/p>\n

V\u1edbi m\u1ed9t s\u1eeda \u0111\u1ed5i nh\u1ecf \u1edf n\u00fat th\u1ea5p h\u01a1n, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ee7ng c\u1ed1 b\u1eb1ng \u0111\u1ea7u c\u1ed1 \u0111\u1ecbnh c\u1ee9ng nh\u1eafc v\u00e0 \u0111\u00e1y mi\u1ec5n ph\u00ed (t\u00f9y ch\u1ecdn th\u1ee9 hai v\u00e0 th\u1ee9 ba). C\u00e1c c\u1ea1nh t\u01b0\u1eddng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf b\u1edfi ch\u00e2n rafter. \u1ede \u0111\u00e2y, vi\u1ec7c bu\u1ed9c ch\u1eb7t ti\u1ebfp t\u1ee5c tr\u01b0\u1ee3t, gi\u1ed1ng nh\u01b0 m\u1ed9t thanh tr\u01b0\u1ee3t.<\/p>\n

\u0110\u00e1y c\u1ee7a gi\u00e1 \u0111\u1ee1, h\u1ed7 tr\u1ee3 tr\u01b0\u1ee3t b\u0103ng ngang, c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eafn kh\u00f3 \u0111\u1ec3 t\u0103ng s\u1ef1 \u1ed5n \u0111\u1ecbnh. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y, ch\u00fang \u0111\u01b0\u1ee3c c\u1eaft v\u00e0o tr\u1ea7n nh\u00e0 v\u00e0 \u0111\u01b0\u1ee3c bu\u1ed9c ch\u1eb7t, v\u00ed d\u1ee5, v\u1edbi c\u00e1c thanh ho\u1eb7c l\u1edbp l\u00f3t b\u1ea3ng.<\/p>\n

Spacer Rafters kh\u00f4ng c\u00f3 thanh ch\u1ed1ng<\/h2>\n

Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c b\u00e8 cung c\u1ea5p mi\u1ebfng \u0111\u1ec7m v\u00e0 d\u1ef1a tr\u00ean c\u00e1c b\u1ee9c t\u01b0\u1eddng h\u1ed7 tr\u1ee3. Nh\u01b0 v\u1eady, c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c ng\u00f4i nh\u00e0 c\u00f3 t\u01b0\u1eddng b\u00ea t\u00f4ng c\u00f3 kh\u00ed. C\u00e1c kh\u1ed1i b\u00ea t\u00f4ng c\u00f3 s\u1ee5c kh\u00ed b\u1ecb v\u1ee1 d\u01b0\u1edbi t\u1ea3i spacer v\u00ec ch\u00fang kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 u\u1ed1n cong. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u, gi\u1ed1ng nh\u01b0 c\u00e1c t\u1ea5m g\u1ea1ch ho\u1eb7c b\u00ea t\u00f4ng, c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng h\u1ed7 tr\u1ee3 c\u00e1c t\u1ea3i nh\u01b0 v\u1eady m\u00e0 kh\u00f4ng l\u00e0m bi\u1ebfn d\u1ea1ng.<\/p>\n

S\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a Mauerlat \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1ch c\u1ee9ng nh\u1eafc l\u00e0 c\u1ea7n thi\u1ebft cho h\u1ec7 th\u1ed1ng spacer Rafter. H\u01a1n n\u1eefa, s\u1ee9c m\u1ea1nh c\u1ee7a c\u00e1c b\u1ee9c t\u01b0\u1eddng c\u1ea7n ph\u1ea3i cao \u0111\u1ec3 ch\u1ed1ng l\u1ea1i mi\u1ebfng \u0111\u1ec7m. M\u1ed9t v\u00e0nh \u0111ai b\u00ea t\u00f4ng c\u1ed1t th\u00e9p kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean c\u00e1c b\u1ee9c t\u01b0\u1eddng.<\/p>\n

C\u00e1c t\u00f9y ch\u1ecdn d\u00e2y bu\u1ed9c gi\u1ed1ng nhau \u0111\u1ed1i v\u1edbi nh\u1eefng chi\u1ebfc kh\u0103n \u0111\u1ec7m. M\u1eb7c d\u00f9 v\u1eady, m\u1ed9t chi ti\u1ebft nh\u1ecf: Gi\u00e1 treo b\u1ea3n l\u1ec1 v\u1edbi kh\u1ea3 n\u0103ng quay \u0111\u00e3 thay th\u1ebf t\u1ea5t c\u1ea3 c\u00e1c gi\u00e1 treo tr\u01b0\u1ee3t hi\u1ec7n t\u1ea1i ho\u1eb7c thanh tr\u01b0\u1ee3t. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch c\u1eaft m\u1ed9t chi\u1ebfc r\u0103ng trong r\u0103ng Mauerlat ho\u1eb7c \u0111\u00f3ng \u0111inh b\u00e8 xu\u1ed1ng \u0111\u00e1y c\u1ee7a b\u00e8. C\u00e1c b\u00e8 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean \u0111\u1ea7u nhau v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m b\u1eb1ng m\u1ed9t tr\u1eadn chi\u1ebfn ho\u1eb7c bu -l\u00f4ng \u0111\u1ec3 ho\u00e0n th\u00e0nh gi\u00e1 treo c\u00f3 b\u1ea3n l\u1ec1 trong n\u00fat tr\u01b0\u1ee3t b\u0103ng.<\/p>\n

<\/p>\n

M\u1ed9t lo\u1ea1i trung gian gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng kh\u00f4ng c\u00f3 m\u0169i v\u00e0 treo m\u0169i l\u00e0 c\u1ea5u tr\u00fac Spatter. H\u1ecd v\u1eabn s\u1eed d\u1ee5ng gi\u00e0y tr\u01b0\u1ee3t, nh\u01b0ng ch\u00fang kh\u00f4ng quan tr\u1ecdng nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y. Cu\u1ed1i c\u00f9ng, nh\u1eefng chi\u1ebfc b\u00e8 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi nhau, v\u1edbi c\u00e1c c\u1ea1nh ph\u00eda tr\u00ean n\u00e9p m\u00ecnh b\u00ean trong c\u00e1c c\u1ea1nh d\u01b0\u1edbi n\u1eb1m tr\u00ean t\u01b0\u1eddng. Cu\u1ed9c ch\u1ea1y \u0111\u00e3 k\u1ebft th\u00fac ho\u00e0n to\u00e0n khi c\u00e1c b\u1ee9c t\u01b0\u1eddng ho\u1eb7c \u0111\u1ed9 v\u00f5ng c\u1ee7a Run Run nh\u01b0\u1eddng ch\u1ed7 cho tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh h\u1ecd. Nh\u1eefng chi\u1ebfc b\u00e8 n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n tr\u1edf th\u00e0nh treo.<\/p>\n

Vi\u1ec7c bao g\u1ed3m m\u1ed9t cu\u1ed9c chi\u1ebfn hi\u1ec7u qu\u1ea3 n\u00e9n gi\u00fap t\u0103ng c\u01b0\u1eddng s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00f4 \u1ea5y th\u00e1o mi\u1ebfng \u0111\u1ec7m ra kh\u1ecfi c\u00e1c b\u1ee9c t\u01b0\u1eddng, nh\u01b0ng ch\u1ec9 m\u1ed9t ch\u00fat. Tr\u1eadn chi\u1ebfn ph\u1ea3i li\u00ean k\u1ebft c\u00e1c c\u1ea1nh d\u01b0\u1edbi c\u1ee7a ch\u00e2n rafter \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n mi\u1ebfng \u0111\u1ec7m. Nh\u01b0ng sau \u0111\u00f3, n\u00f3 s\u1ebd bi\u1ebfn th\u00e0nh m\u1ed9t c\u01a1n ph\u1ed3ng h\u01a1n l\u00e0 m\u1ed9t cu\u1ed9c chi\u1ebfn.<\/p>\n

Ngo\u00e0i ra c\u00f2n gi\u1ea3m do c\u00e0i \u0111\u1eb7t spacer c\u1ee7a ch\u1ea1y tr\u01b0\u1ee3t b\u0103ng \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn.<\/p>\n

Rafters v\u1edbi thanh ch\u1ed1ng<\/h2>\n

C\u00e1c s\u01a1 \u0111\u1ed3 spacer v\u00e0 c\u00e1c s\u01a1 \u0111\u1ed3 phun c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eafp x\u1ebfp c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 v\u1eady. S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a h\u1ecd v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c suy ng\u1eabm v\u1ec1 s\u1ef1 bao g\u1ed3m c\u1ee7a thanh ch\u1ed1ng, l\u00e0 th\u00e0nh ph\u1ea7n h\u1ed7 tr\u1ee3 th\u1ee9 ba b\u00ean d\u01b0\u1edbi ch\u00e2n Rafter (ch\u00e2n ch\u00fa th\u00edch).<\/p>\n

H\u1ec7 th\u1ed1ng b\u1ecb thay \u0111\u1ed5i b\u1edfi thi\u1ebft b\u1ecb. \u0110\u1ea9y l\u00f9i kh\u1ecfi ch\u00f9m tia \u0111\u01a1n tr\u1edf th\u00e0nh ch\u00f9m tia hai nh\u1ecbp phi l\u00fd. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p cho b\u1ea1n th\u00eam 14 m\u00e9t chuy\u1ebfn bay ch\u1ed3ng ch\u00e9o. Ngo\u00e0i ra, gi\u1ea3m b\u1edbt ph\u1ea7n Rafter.<\/p>\n

C\u00e1ch m\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o b\u00e8 gi\u1eef cho n\u00f3 kh\u00f4ng di chuy\u1ec3n. Ng\u01b0\u1eddi \u0111\u0103ng k\u00fd \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o b\u00ean d\u01b0\u1edbi Rafter v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m b\u1eb1ng l\u1edbp ph\u1ee7 b\u1eb1ng g\u1ed7 \u1edf hai b\u00ean v\u00e0 b\u00ean d\u01b0\u1edbi theo c\u00e1ch n\u00e0y.<\/p>\n

<\/p>\n

\n "\u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec3u c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac v\u00e0 k\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t c\u1ee7a Nasher Rafters." Nasher Rafters n\u1ed5i ti\u1ebfng v\u1edbi v\u1ebb ngo\u00e0i v\u00e0 s\u1ee9c m\u1ea1nh \u0111\u1ed9c \u0111\u00e1o c\u1ee7a h\u1ecd, v\u00e0 ch\u00fang r\u1ea5t c\u1ea7n thi\u1ebft cho vi\u1ec7c x\u00e2y d\u1ef1ng m\u00e1i nh\u00e0 v\u00ec ch\u00fang cung c\u1ea5p h\u1ed7 tr\u1ee3 v\u00e0 \u1ed5n \u0111\u1ecbnh. B\u00e0i vi\u1ebft n\u00e0y xem x\u00e9t m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a Nasher Rafter v\u00e0 cung c\u1ea5p h\u01b0\u1edbng d\u1eabn c\u00e0i \u0111\u1eb7t t\u1eebng b\u01b0\u1edbc. C\u1ea3 ch\u1ee7 nh\u00e0 v\u00e0 nh\u00e0 x\u00e2y d\u1ef1ng \u0111\u1ec1u c\u00f3 th\u1ec3 h\u1ecdc \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u v\u1ec1 c\u00e1ch t\u1ed1i \u0111a h\u00f3a c\u00e1c c\u1ea5u tr\u00fac m\u00e1i cho tu\u1ed5i th\u1ecd v\u00e0 ch\u1ee9c n\u0103ng b\u1eb1ng c\u00e1ch kh\u00e1m ph\u00e1 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y."\n <\/p><\/blockquote>\n

H\u1ec7 th\u1ed1ng l\u1edbp v\u1edbi d\u1ea7m th\u00e2n c\u00e2y<\/h2>\n

C\u00e1c t\u00f2a nh\u00e0 c\u00f3 hai b\u1ee9c t\u01b0\u1eddng ch\u1ecbu t\u1ea3i theo chi\u1ec1u d\u1ecdc ho\u1eb7c c\u00e1c b\u1ee9c t\u01b0\u1eddng ngang trung gian c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng lo\u1ea1i thi\u1ebft k\u1ebf rafter x\u1ebfp l\u1edbp n\u00e0y. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, c\u00e1c gi\u00e1 \u0111\u1ee1 n\u1eb1m d\u01b0\u1edbi b\u00e8 ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u01b0\u1edbi v\u00e1n tr\u01b0\u1ee3t. Kh\u00f4ng c\u00f3 Ridge Run t\u1ed3n t\u1ea1i.<\/p>\n

D\u1ef1a tr\u00ean hai d\u1ea7m tr\u1ea3i qua (th\u00f4ng qua c\u00e1c l\u1ea7n ch\u1ea1y) \u0111\u01b0\u1ee3c \u0111\u1eb7t d\u1ecdc theo c\u00e1c s\u01b0\u1eddn d\u1ed1c v\u00e0 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00e1c gi\u00e1 \u0111\u1ee1 d\u1ecdc, ch\u00e2n rafter c\u1ee7a s\u01a1 \u0111\u1ed3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng. Th\u00f4ng qua Lyjni, c\u00e1c gi\u00e1 \u0111\u1ee1 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t v\u00e0o c\u00e1c b\u1ee9c t\u01b0\u1eddng h\u1ed7 tr\u1ee3 trung gian.<\/p>\n

Kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong s\u01a1 \u0111\u1ed3 th\u00f4ng qua c\u00e1c t\u00e0n t\u00edch. Sau \u0111\u00f3, c\u00e1c gi\u00e1 \u0111\u1ee1 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t ngay b\u00ean d\u01b0\u1edbi m\u1ed7i con b\u00e8 v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m b\u1eb1ng m\u1ed9t cu\u1ed9c chi\u1ebfn m\u00f3ng tay.<\/p>\n

Ch\u00e2n c\u1ee7a Rafter \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi nhau t\u1eeb tr\u00ean cao v\u00e0 \u0111\u01b0\u1ee3c g\u1eafn ch\u1eb7t \u1edf c\u1ea3 hai b\u00ean b\u1eb1ng l\u1edbp ph\u1ee7 kim lo\u1ea1i ho\u1eb7c g\u1ed7.<\/p>\n

H\u1ec7 th\u1ed1ng Rafter t\u1ef1 \u0111\u1ed9ng t\u1ea1o th\u00e0nh m\u1ed9t mi\u1ebfng \u0111\u1ec7m khi kh\u00f4ng c\u00f3 Ridge ch\u1ea1y. Trong phi\u00ean b\u1ea3n ngu ng\u1ed1c c\u1ee7a h\u1ec7 th\u1ed1ng, vi\u1ec7c th\u1eaft ch\u1eb7t \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u00ean d\u01b0\u1edbi qua \u0111\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a n\u00f3. N\u00f3 s\u1ebd k\u00e9o d\u00e0i v\u00e0 lo\u1ea1i b\u1ecf mi\u1ebfng \u0111\u1ec7m kh\u00f4ng mong mu\u1ed1n trong qu\u00e1 tr\u00ecnh t\u1ea3i. M\u1ed9t cu\u1ed9c chi\u1ebfn c\u1ed1 \u0111\u1ecbnh \u1edf ph\u1ea7n d\u01b0\u1edbi c\u1ee7a ch\u00e2n b\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u1eef cho h\u1ec7 th\u1ed1ng \u1ed5n \u0111\u1ecbnh. Ngo\u00e0i ra, b\u1eb1ng c\u00e1ch g\u1ea5p c\u1ea5u tr\u00fac, c\u00e1c ti\u1ec7n \u00edch m\u1edf r\u1ed9ng \u0111\u1eb7c bi\u1ec7t \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1eddng b\u0103ng gi\u1eefa c\u00e1c gi\u00e1 \u0111\u1ee1 s\u1ebd \u0111\u01b0\u1ee3c tha.<\/p>\n

Cu\u1ed9c chi\u1ebfn \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t \u1edf tr\u00ean th\u00f4ng qua vi\u1ec7c ch\u1ea1y trong h\u1ec7 th\u1ed1ng spacer. Tr\u1eadn chi\u1ebfn b\u00ean d\u01b0\u1edbi tr\u1ecdng l\u01b0\u1ee3ng sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c n\u00e9n, cu\u1ed1i c\u00f9ng gi\u1ed1ng nh\u01b0 m\u1ed9t thanh ngang.<\/p>\n

C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng lo\u1ea1i Rafters \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean n\u00e0y cho thi\u1ebft b\u1ecb c\u1ee7a c\u00e1c ph\u00f2ng g\u00e1c m\u00e1i r\u1ed9ng r\u00e3i b\u1eb1ng c\u00e1ch l\u1eafp \u0111\u1eb7t gi\u00e1 \u0111\u1ee1 d\u01b0\u1edbi b\u00e8 ho\u1eb7c th\u00f4ng qua c\u00e0u nh\u00e0u (v\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 \u0111\u1ee1 trung t\u00e2m!). C\u00e1c k\u1ebf ho\u1ea1ch kh\u00e1c \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n trong kh\u00f4ng gian g\u00e1c m\u00e1i v\u00e0 c\u00e1c t\u1ec7p \u0111\u00ednh k\u00e8m \u0111\u01b0\u1ee3c ph\u00e2n v\u00f9ng.<\/p>\n

<\/p>\n\n\n\n\n
S\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac<\/td>\nT\u1ed5ng quan v\u1ec1 c\u00e1c lo\u1ea1i c\u1ea5u h\u00ecnh gi\u00e0n m\u00e1i kh\u00e1c nhau th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng, bao g\u1ed3m c\u00e1c gi\u00e0n truy\u1ec1n th\u1ed1ng, c\u1eaft k\u00e9o v\u00e0 g\u00e1c m\u00e1i.<\/td>\n<\/tr>\n
K\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t<\/td>\nM\u1ed9t h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc ph\u00e1c th\u1ea3o qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t b\u00e8 tr\u00ean m\u00e1i nh\u00e0, t\u1eeb vi\u1ec7c chu\u1ea9n b\u1ecb c\u1ea5u tr\u00fac \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c v\u00ec k\u00e8o t\u1ea1i ch\u1ed7.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u1ea5t c\u1ee9 ai x\u00e2y d\u1ef1ng ho\u1eb7c c\u1ea3i t\u1ea1o m\u1ed9t m\u00e1i nh\u00e0 \u0111\u1ec1u ph\u1ea3i hi\u1ec3u c\u00e1c s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac v\u00e0 l\u1ecbch tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ee7a Nasher Rafters. Nh\u1eefng chi\u1ebfc b\u00e8 n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 c\u1ee7a m\u00e1i nh\u00e0, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3 theo th\u1eddi gian.<\/p>\n

\u0110\u1ed1i v\u1edbi Nasher Rafters, c\u00f3 m\u1ed9t s\u1ed1 s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac c\u00f3 s\u1eb5n, m\u1ed7i s\u01a1 \u0111\u1ed3 c\u00f3 \u00fd \u0111\u1ecbnh h\u1ed7 tr\u1ee3 c\u00e1c c\u1ea5u h\u00ecnh m\u00e1i v\u00e0 t\u1ea3i kh\u00e1c nhau. C\u00e1c gi\u1ed1ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m b\u00e8 h\u1ee3p ch\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho h\u00ecnh d\u1ea1ng m\u00e1i nh\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n ho\u1eb7c \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c nh\u1ecbp l\u1edbn h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n h\u1ed7 tr\u1ee3 b\u1ed5 sung, v\u00e0 nh\u1eefng chi\u1ebfc b\u00e8 \u0111\u01a1n gi\u1ea3n, trong \u0111\u00f3 m\u1ed7i chi\u1ebfc b\u00e8 k\u00e9o d\u00e0i theo m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng t\u1eeb s\u01b0\u1eddn n\u00fai \u0111\u1ebfn m\u00e1i hi\u00ean.<\/p>\n

\u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn c\u00e1c kh\u00eda c\u1ea1nh kh\u00e1c nhau khi t\u1ed5 ch\u1ee9c c\u00e0i \u0111\u1eb7t b\u00e8 Nasher, bao g\u1ed3m c\u1ea3 s\u00e2n m\u00e1i, lo\u1ea1i v\u1eadt li\u1ec7u l\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 b\u1ea5t k\u1ef3 m\u00e3 ho\u1eb7c quy \u0111\u1ecbnh x\u00e2y d\u1ef1ng \u0111\u1ecba ph\u01b0\u01a1ng hi\u1ec7n h\u00e0nh n\u00e0o. Khi c\u00e1c b\u00e8 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c, to\u00e0n b\u1ed9 c\u1ea5u tr\u00fac m\u00e1i \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1eb1ng c\u00e1ch c\u0103n ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 \u0111\u01b0\u1ee3c bu\u1ed9c ch\u1eb7t.<\/p>\n

C\u00e1c nh\u00e0 x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac c\u1ee7a m\u00e1i nh\u00e0 b\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 k\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t to\u00e0n di\u1ec7n bao g\u1ed3m \u0111\u00e1nh d\u1ea5u ch\u00ednh x\u00e1c c\u00e1c v\u1ecb tr\u00ed c\u1ee7a b\u00e8, s\u1eed d\u1ee5ng c\u00e1c \u1ed1c v\u00edt ph\u00f9 h\u1ee3p v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u1ee7 gi\u1eb1ng. C\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0m t\u0103ng tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng l\u1ee3p ngo\u00e0i vi\u1ec7c c\u1ea3i thi\u1ec7n s\u1ef1 an to\u00e0n.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u1eddi ch\u00e0o v\u00e0 ch\u00e0o m\u1eebng \u0111\u1ebfn v\u1edbi "T\u1ea5t c\u1ea3 v\u1ec1 m\u00e1i nh\u00e0" n\u01a1i ch\u00fang t\u00f4i s\u1ebd ki\u1ec3m tra c\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a h\u1ec7 th\u1ed1ng l\u1ee3p. Ng\u00e0y nay, ch\u00fang t\u00f4i kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a b\u00e8 Nasher, \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn l\u1ecbch tr\u00ecnh c\u00e0i \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a […]<\/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-2801","post","type-post","status-publish","format-standard","","category-useful-tips"],"yoast_head":"\nNasher Rafters: Thi\u1ebft k\u1ebf, h\u1ec7 th\u1ed1ng, n\u00fat, quy t\u1eafc c\u00e0i \u0111\u1eb7t<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u t\u1ea5t c\u1ea3 v\u1ec1 Nasher Rafters: Hi\u1ec3u c\u00e1c k\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a h\u1ecd. Kh\u00e1m ph\u00e1 c\u00e1c chi ti\u1ebft c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 b\u1ea3o tr\u00ec m\u00e1i hi\u1ec7u qu\u1ea3.\" \/>\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\/nasher-rafters-overview-of-structural-schemes\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nasher Rafters: Thi\u1ebft k\u1ebf, h\u1ec7 th\u1ed1ng, n\u00fat, quy t\u1eafc c\u00e0i \u0111\u1eb7t\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u t\u1ea5t c\u1ea3 v\u1ec1 Nasher Rafters: Hi\u1ec3u c\u00e1c k\u1ebf ho\u1ea1ch c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a h\u1ecd. 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