Kupanga Zitsulo Zozizira

Kupanga zitsulo zozizira ndi njira yokhazikika, yodalirika komanso yotsika mtengo yopangira ntchito zomanga zotsika komanso zapakati.Nthawi zambiri amatanthauza kupanga mafelemu opepuka pomwe zopindika ndi zopingasa zimapangidwa makamaka ndi mamembala obwerezabwereza.Mamembala opangira mafelemu nthawi zambiri amakhala otalikirana pakati pa mainchesi 16 kapena 24, pomwe mipata imasiyanitsidwa kutsika ndikukwera kutengera katundu ndi zofunda.

Mamembala a khoma nthawi zambiri amakhala mamembala a "stud" okhala ndi milomo yoyima, yomwe imalowa m'magawo a "track" omwe ali pamwamba ndi pansi.Masinthidwe ofananawo amagwiritsidwa ntchito polumikizira pansi ndi denga, koma mopingasa pansi, komanso yopingasa kapena yotsetsereka yopangira denga.Zina zowonjezera pamapangidwe amapangidwe zimaphatikizapo zomangira ndi zolumikizira, ma braces ndi bracing, tatifupi ndi zolumikizira.Pansi pazitsulo zozizira komanso zitsulo zapadenga zimapezekanso popanga zitsulo zozizira.

Chitsulo chozizira chimatanthawuza njira yopangira pomwe zitsulo zokhala ndi zitsulo zopangidwa ndi zitsulo zimapangidwira kupanga zinthu monga ma studs, joists, track, headers, angles, truss mamembala ndi zigawo zina.Pakupanga chitsulo chozizira, makulidwe ake amayambira 0.0147 mu (0.373 mm) mpaka pafupifupi 1/8 in. (3.175 mm).Zopangira zitsulo zokhazikika zozizira zimafotokozedwa mu AISI S220, North American Standard for Cold-Formed Steel Nonstructural Framing, Edition 2020 ndi AISI S240, North American Standard for Cold-Formed Steel Structural Framing, Edition 2020 (kutsitsa kwaulere pa www.aisistandards. org).Mitundu yosiyanasiyana yazitsulo zozizira zozizira zimapezeka kuchokera kwa opanga osiyanasiyana.Zopangira zitsulo zoziziritsa kuzizira nthawi zambiri zimapangidwa kuchokera ku chitsulo choziziritsa ndi zinki chokhala ndi mphamvu zokolola za 33 ksi kapena 50 ksi.

Zopangira zitsulo zozizira ku North America nthawi zambiri zimapangidwa ndikumangidwa motsatira miyezo yopangidwa ndi American Iron and Steel Institute.Chitsulo chozizira chopangidwa ndi chitsulo chimadzipereka kumapangidwe omanga momwe pansi ndi padenga zimathandizidwa pamakoma onyamula.Zomangira zitsulo zoziziritsa kukhosi zakhala zikugwiritsidwa ntchito bwino pomanga nyumba zokulirapo kuposa 10 muutali.