Yuav tsum sib nrug deb npaum li cas?
Yuav tsum sib nrug deb npaum li cas?

Video: Yuav tsum sib nrug deb npaum li cas?

Video: Yuav tsum sib nrug deb npaum li cas?
Video: Tus ntseeg Yexus yuav tsum ua li cas thiaj li yuav loj hlob ntawm txoj kev ntseeg. 2024, Kaum ib hlis
Anonim

Ntsuas qhov nrug nrug ua ntej koj mus yuav khoom; choj yog qhov loj rau joists centered 16 in. lossis 24 in. sib nrug.

Yooj yim li ntawd, yuav tsum sib nrug deb npaum li cas hauv pem teb yuav tsum muaj?

16 ntiv tes

Qhov thib ob, dab tsi yog kev txuas hauv kab? Bridging . Lub sij hawm ' choj 'hais txog kab zauv, lossis kev teeb tsa kev zawm hniav, uas tau tsau nruab nrab ntawm hauv pem teb lossis lub ru tsev koom ua ke kom lawv nyob hauv qhov chaw, tiv thaiv kev sib koom ua ke, thiab faib cov khoom thauj ntau dua ib qho txuas.

Ib sab saum toj no, lub hom phiaj ntawm kev sib txuas ntawm cov joists hauv pem teb yog dab tsi?

Pem teb txuas choj yog qhov tseem ceeb rau lub zog ntawm cov qauv ntawm a pem teb , raws li pom hauv daim duab 1. Tsim nyog choj faib cov load rau ntawm pem teb rau lwm tus joists thiab dhau sijhawm tiv thaiv pem teb los ntawm sagging thiab squeaking ua rau pem teb joists twisting thiab warping.

Puas yog cov joists hauv pem teb xav tau kev sib tsoo?

Kev cai vaj tse nyob yuav tsum tau siv hla kev zawm hniav los yog thaiv rau pem teb joists tshaj 2 ntiv tes los ntawm 12 ntiv tes, tab sis ntau lub tsev, tshwj xeeb tshaj yog cov laus, muaj creaky, tsis sib xws. pem teb vim pem teb joists tsis tau braced.

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