Video: Ntev npaum li cas kuv tuaj yeem hla lub beam?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Tshaj nyob rau hauv ntau tshaj 20 m tau ua tiav (rau lub hom phiaj ntawm kab lus no lub ntsiab lus ntawm ncua ntev yog muab raws li ib yam dab tsi ntau tshaj 12 m). Feem ntau ntev spans ua rau hloov tau yooj yim, kab-dawb sab hauv qhov chaw, txo cov nqi tsim khoom, thiab txo cov sij hawm erection steel.
Thiab cov lus nug yog, ntev npaum li cas steel beam span?
Yog lawm. Koj tau tau siab txaus steel kuv - nqaj tias yuav span 25 ko taw tsis muaj kab.
Qhov thib ob, qhov ntev ntawm lub nqaj yog dab tsi? Nws yog qhov nyuaj, tab sis cov cai ntiv tes xoo tuaj yeem ua haujlwm yog tias cov qauv yooj yim. Nws yog ib txwm pom zoo kom siv cov qauv tsim software xws li ETabs lossis Staad pro rau kev tsim. Hauv a nqaj txog li 5 meters ntev , theem nrab spans txog li 4 meters, phab ntsa loads txog li 8 kN ib tug khiav 'meter', Kuv siv tau cov hlau raws li hauv qab no.
Ib yam li ntawd, kuv tuaj yeem ncav cuag qhov ntev npaum li cas?
Thaum txhawb joists tias ncua 12 ko taw tsis muaj overhang tshaj qhov nqaj , ib ob ply beam tau span hauv taw tus nqi sib npaug rau nws qhov tob hauv ntiv tes. Ib ob 2 x 12 beam tau span 12 ko taw; ib (2) x 10 tuaj yeem ncua 10 ko taw thiab lwm yam.
Kuv xav tau 20 feet ntev npaum li cas?
Re: 20 ko taw clearspan nqaj size Qhov ntawd, koj xav tau ib yam dab tsi zoo li 12-16 "GLULAM lossis LVL rau ncua tus 20 ' thiab siv tau yooj yim 2x8-10 qhov ntev lumber 16 "OC li hauv pem teb joists.
Pom zoo:
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Thaum txhawb nqa cov ntoo uas hla 12 ko taw uas tsis muaj qhov nqes hav hla lub nqaj, ob chav ply nqaj tuaj yeem hla hauv ko taw tus nqi sib npaug rau nws qhov tob hauv ntiv tes. Ob chav 2x12 nqaj tuaj yeem hla 12 taw; a (2) 2x10 tuaj yeem ncua 10 taw thiab lwm yam
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