Koj tuaj yeem tau txais 2x12 ntev npaum li cas?
Koj tuaj yeem tau txais 2x12 ntev npaum li cas?

Video: Koj tuaj yeem tau txais 2x12 ntev npaum li cas?

Video: Koj tuaj yeem tau txais 2x12 ntev npaum li cas?
Video: Npau suav liab qab txais tau li cas? 2024, Hlis ntuj nqeg
Anonim

Thaum txhawb nqa cov ntoo uas hla 12 taw uas tsis muaj kev hla dhau ntawm lub nqaj, ob chav ply beam tau span nyob rau hauv taw tus nqi sib npaug rau nws qhov tob hauv inches. Ib ob 2x12 ua nqaj tau ncua 12 ko taw; ib (2) x 10 tau ncua 10 ko taw thiab lwm yam.

Tib neeg tseem nug, koj tuaj yeem ncua ntev 3 2x12 li cas?

ntawm 14 ko taw rau peb npaug 2 x12.

Ib qho ntxiv, hnyav npaum li cas tuaj yeem txhawb nqa 2x12 kab rov tav? Ib 2x12 tuaj yeem txhawb nqa txog 180lb ua . ib ko taw lossis txog 2, 100 lbs.

Ib yam li ib tus tuaj yeem nug, qhov ntev tshaj plaws rau 2x12 pem teb joist yog dab tsi?

Nyob rau hauv dav dav, joists spaced 16 nti ntawm qhov chaw tuaj yeem ncua 1.5 npaug ntawm taw lawv qhov tob hauv ntiv tes. 2x8 txog 12 ko taw; 2x10 txog 15 ko taw thiab 2 x12 mus 18ft.

Cov ntoo loj npaum li cas tuaj yeem ncav cuag 20 ko taw?

Max. Nyob Load 60 lbs/ft2 (2873 N/m2)

Qhov siab tshaj plaws (ft - hauv)
Nominal Loj (nti) Joist Spacing Center rau Center (inch) Ntoo Qib
2x12 ua 24 13' - 2"
2 x14 12 20' - 10"
16 18' - 0"

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