Cold-Formed Steel Framing

Cold-formed steel framing yog ib qho kev xaiv ruaj khov, txhim khu kev qha thiab raug nqi rau cov haujlwm qis thiab nruab nrab-nce.Nws feem ntau yog hais txog kev tsim teeb pom kev zoo qhov chaw ntsug thiab kab rov tav cov qauv tsim feem ntau yog tsim los ntawm cov txheej txheem ntawm cov tswv cuab rov ua dua.Cov tswv cuab framing feem ntau yog nyob ntawm 16 lossis 24 ntiv tes ntawm qhov chaw, nrog qhov sib txawv ntawm qhov qis dua thiab siab dua nyob ntawm qhov ntim thiab npog.

Cov tswv cuab ntawm phab ntsa feem ntau yog ntsug li cov channel "stud" cov tswv cuab, uas haum rau hauv cov channel unlipped "khiav" ntu nyob rau sab saum toj thiab hauv qab.Cov kev teeb tsa zoo sib xws yog siv rau ob qho tib si hauv pem teb joist thiab rafter sib dhos, tab sis nyob rau hauv daim ntawv thov kab rov tav rau cov plag tsev, thiab daim ntawv thov kab rov tav los yog sloped rau ru tsev thav duab.Ntxiv cov ntsiab lus ntawm lub framing system muaj xws li fasteners thiab connectors, braces thiab bracing, clips thiab connectors.Cold-formed steel pem teb thiab ru tsev trusses kuj muaj nyob rau hauv txias-tsim steel framing daim ntaub ntawv.

Cold-formed steel yog hais txog cov txheej txheem tsim khoom uas cov hlau-coated sheet hlau yog dov-tsim rau hauv cov khoom xws li studs, joists, khiav, headers, ces kaum, truss cov tswv cuab thiab lwm yam khoom.Rau qhov txias-tsim steel framing, cov khoom siv thicknesses ntawm 0.0147 nyob rau hauv. (0.373 hli) txog li 1/8 nyob rau hauv. (3.175 hli).Cov khoom lag luam txias-tsim steel yog txhais hauv AISI S220, North American Standard for Cold-Formed Steel Nonstructural Framing, 2020 Edition thiab AISI S240, North American Standard for Cold-Formed Steel Structural Framing, 2020 Edition (dawb downloads ntawm www.aisistandards. org).Muaj ntau yam txias-tsim steel framing khoom yog muaj los ntawm ntau lub tuam txhab.Cold-formed steel framing khoom feem ntau yog ua los ntawm zinc-coated txias-kuav los tiag steel nrog yield zog ntawm 33 ksi los yog 50 ksi.

Cold-formed steel framing nyob rau hauv North America feem ntau yog tsim thiab tsim raws li cov qauv tsim los ntawm American Iron and Steel Institute.Cold-formed steel framing qiv nws tus kheej mus rau architectural layouts qhov twg hauv pem teb thiab lub ru tsev yog kev txhawb nqa ntawm cov kabmob phab ntsa.Cold-formed steel framing tau siv ua tiav hauv kev tsim cov haujlwm ntau dua 10 zaj dab neeg hauv qhov siab.