Ntev npaum li cas koj tuaj yeem cantilever 2x8 pem teb joist?
Ntev npaum li cas koj tuaj yeem cantilever 2x8 pem teb joist?

Video: Ntev npaum li cas koj tuaj yeem cantilever 2x8 pem teb joist?

Video: Ntev npaum li cas koj tuaj yeem cantilever 2x8 pem teb joist?
Video: Npaum Li Cas - David Yang (Prod. By Keeneng Vang) 2024, Kaum ib hlis
Anonim

Txoj cai ntawm tus ntiv tes xoo uas tau muab los saum toj no yog ua raws li cov lus qhia span rau qhov muab pem teb joist . Yog cov code span tables pub a 2x8 ua mus span 12 feet, ces tus cantilever tuaj yeem ua 3ft.

Ib yam li ntawd, nyob deb npaum li cas koj tuaj yeem cantilever 2x10 pem teb joist?

Joist Cantilever Raws li cov rooj sib tham tshiab thiab IRC cov kev cai, cantilever tuaj yeem txuas mus txog ib - plaub lub backspan ntawm lub joist . Qhov no txhais tau tias joists , xws li cov ntoo thuv sab qab teb 2x10s ntawm 16 ntiv tes rau hauv nruab nrab, ncua 12 ko taw tau tso cai rau cantilever mus txog 3 ko taw ntxiv (saib daim duab, hauv qab).

Tsis tas li ntawd, qhov hnyav npaum li cas tuaj yeem txhawb nqa 2x8? qee qhov nws tau txais kev zoo nkauj hauv qhov xwm txheej, thiab feem ntau cuam tshuam nrog phaus / square feet ntawm kev thauj khoom. 2x6s feem ntau yog siv rau lub qab nthab joists, esp txij li thaum koj hais tias 24 "oc thiab reallllly luv spans nkaus xwb (5 los yog 6 feet). 2x8 ua @ 16" oc thiab feem ntau nyiam 2x10.

Kuj tseem yuav paub, koj tuaj yeem ua tau ntev npaum li cas ntawm 2x6 joist?

Saib ntawm lub rooj hauv qab no, peb pom tias 2x6 ib pem teb joists tau yuav cantilevered mus txog 2 ko taw thiab 6 ntiv tes (2'-6 ") thaum lub joists yog spaced 16 "sib nrug.

Ntev npaum li cas 2x10 ncua yam tsis muaj kev txhawb nqa?

Thaum twg txhawb nqa joists tas ncua 12 ko taw uas tsis muaj overhang dhau ntawm kab teeb, ob chav 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) 2 x 10 can span 10 feet thiab lwm yam.

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