Video: Nyob deb li cas hauv pem teb trusses spaced?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Nquag, pem teb joists yog nrug 16 ntiv tes sib nrug ntawm qhov chaw. Qhov no txhais tau tias los ntawm nruab nrab ntawm ib qho ncaj ntoo mus rau qhov chaw nruab nrab ntawm qhov tom ntej. Muab hais tias 2x8s yog qhov tseeb 1-¾ ntiv tes dav, nws ua haujlwm zoo li 14-¼ ntiv tes nruab nrab ntawm txhua qhov ntoo . Nrog qee cov qauv, pem teb joists yuav tsum yog 12 lossis 24 ntiv tes sib nrug ntawm qhov chaw.
Tsis tas li ntawd, koj yuav suav li cas hauv pem teb joist spacing?
Saib ntawm lub rooj no koj yuav pom muaj kev xaiv nyob rau hauv qhov loj ntawm pem teb (2 X 6, 2 X 8, 2 X 10 lossis 2 X 12) thiab muaj kev xaiv hauv nrug nrug (12", 16" or 14"). pem teb joist spacing yog qhov kev ncua deb nruab nrab ntawm cov chaw nruab nrab ntawm ob qho kev teeb tsa joists.
Ib tus kuj tseem yuav nug tau, yuav ua li cas thiaj li tuaj yeem koom nrog hauv pem teb tau? Yuav ua li cas ua Kuv khaws lawv txawm? 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; 2 x 10 mus rau 15 ko taw thiab 2 x 12 mus rau 18 ko taw.
Dhau li ntawm no, deb npaum li cas tuaj yeem trusses ncua yam tsis muaj kev txhawb nqa?
Trusses tau yooj yim ncua 10-15 meters los yog ntau tshaj tsis muaj qhov xav tau rau sab hauv txhawb nqa.
Muaj pes tsawg qhov hnyav tuaj yeem tuav tau hauv pem teb?
Piv txwv li, lub chaw haujlwm tsim kom raug hauv pem teb tau txhawb 50 phaus ib square feet. Qhov no yuav zoo li lub teeb, tab sis qhov no yog 50 phaus dhau txhua thiab txhua square feet ntawm pem teb qhov chaw. Nws tsis txhais hais tias ib tug 300 lb.
Pom zoo:
Vim li cas koj thiaj li muab ob npaug rau hauv pem teb joist nyob rau hauv ib tug uas tsis yog load bearing internal phab ntsa?
Feem ntau: Thaum Doubled FJ's nyob rau hauv cov phab ntsa uas tsis yog-load bearing los tshem tawm hauv pem teb flex uas tsim cov phab ntsa ntub dej saum lub qhov rooj ntawm phab ntsa saum toj no, feem ntau ntawm chav pw thiab chav da dej
Yuav tsum sib nrug npaum li cas hauv pem teb joists nyob rau hauv ib lub tsev?
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