Koj tuaj yeem nqa lub joist ntau npaum li cas?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Qhov siab tshaj plaws ntawm a nqa thaum kawg a joist (qhov twg nws so ntawm phab ntsa lossis kab teeb) ua tau 'tsis tshaj ib -quarter ntawm joist qhov tob. Qhov siab tshaj plaws nqa qhov tob hauv qhov thib peb ntawm a joist yog ib - thib rau joist qhov tob. Txwv qhov ntev ntawm ncos rau ib - peb ntawm cov joist qhov tob. Tsis muaj tsis pom kev nyob rau hauv nruab nrab peb ntawm a joist.

Tom qab ntawd, ib tug kuj yuav nug, qhov twg koj tuaj yeem nqa lub joist?

Ntsig tsuas tuaj yeem ua rau sab saum toj lossis hauv qab ntawm lub joists , (tsis yog ob qho tib si) nyob rau hauv qhov chaw tso cai rau qhov siab tshaj plaws ntawm 35mm. Qhov qhov tsuas yog ua rau ntawm qhov joist cov centreline nyob rau hauv qhov chaw tso cai rau qhov siab tshaj plaws txoj kab uas hla ntawm 65mm. Cov qhov ntxiv yuav tsum muaj tsawg kawg yog peb txoj kab uas hla (hauv nruab nrab rau qhov nruab nrab) sib nrug.

Txoj cai twg npog qhov kev txiav thiab drilling ntawm joists? Nthuav thiab drilling ntawm joists yuav tsum tsis txhob tshaj qhov txwv hauv qab no: Nco ntsoov yog tias ncov nyob saum joist raug txwv rau thaj tsam ntawm 0.1 thiab 0.2 ntawm kev ncua, qhov siab tshaj plaws nqa qhov tob yuav nce mus rau 0.15 x joist qhov tob. Khaws qhov thiab ncos yam tsawg kawg yog 100mm sib nrug horizontally.

Tsis tas li ntawd, ntau npaum li cas koj tuaj yeem ua tus stud?

Ntsig nyob rau hauv bearing phab ntsa studs yuav tsis pub tshaj 25 feem pua ntawm cov stud cov dav. Qhov nyob hauv cov phab ntsa uas tsis muaj kabmob ua tau ' tsis tshaj 60 feem pua ntawm lawv qhov dav. Ntsig hauv cov phab ntsa uas tsis muaj kabmob ua tau ' tsis tshaj 40 feem pua ntawm lawv qhov dav. ntug ntawm ib lub qhov yuav tsum yog tsawg kawg yog 5/8 nyob rau hauv.

Dab tsi yog qhov siab tshaj plaws qhov thais yuav raug txiav rau hauv joist thaum txhim kho qhov kev faib khoom?

Cov siab kawg tso cai txoj kab uas hla ntawm ib lub qhov nyob rau hauv tej khoom-lumber joist yog ib feem peb ntawm cov joist qhov tob . Ntsig tsis tuaj yeem tob dua li ib feem rau ntawm qhov qhov tob tob.