Magacaabidda iyo erey bixinta
• Dalka Mareykanka,Birta I Beams waxaa sida caadiga ah lagu qeexaa iyadoo la isticmaalayo qoto dheer iyo miisaanka looxa.Tusaale ahaan, laydhka "W10x22" wuxuu kudhowaad yahay 10 in (25 cm) qoto dheer (dhererka magaca ah ee I-beam ee wejiga dibadda ee hal flange ilaa wejiga bannaanka ee garabka kale) wuxuuna culeyskiisu yahay 22 lb/ft (33). kg/m).Waa in la ogaadaa in qaybta garabka ballaaran ay inta badan ka duwan tahay qoto dheerkooda magac ahaan.Marka laga hadlayo taxanaha W14, waxay noqon karaan kuwo qoto dheer ilaa 22.84 inji (58.0 cm).
Meksiko gudaheeda, birta I-beams waxaa loo yaqaan IR waxaana inta badan lagu qeexaa iyadoo la isticmaalayo qoto dheer iyo culeyska mitirka.Tusaale ahaan, alwaax "IR250x33" waa qiyaastii 250 mm (9.8 in) qoto dheer (dhererka I-beam ka wejiga dibadda ee hal flange ilaa wejiga dibadda ee garabka kale) oo miisaankeedu yahay qiyaastii 33 kg / m (22). lb/ft).
Sida loo cabbiro:
Dhererka (A) X Shabakadda (B) X Ballaca Flange (C)
M = Bir Junior Beam ama Bantam Beam
S = HeerkaBirta I Beam
W = Halbeegga Flange Beam ee Caadiga ah
H-Pile = H-Pile Beam