Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?
Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?

Video: Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?

Video: Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?
Video: Xov xwm kub - pob zeb taig hmoob tuag hnub 31/12/2020 2024, Lub peb hlis ntuj
Anonim

PRE-STRESSED COMPOSITE LINTELS

Raws li cov brickwork mortar matures, daim ntaub ntau tshaj 1200mm ncua yuav tsum tau propped ntawm 1200mm centres. Bearings ntawm txhua qhov kawg yuav tsum yog yam tsawg 150 hli.

Qhov tseeb, kuv xav tau daim ntawv yas loj dab tsi?

Yog tias koj muaj qhov pom tseeb ntawm 1200mm, koj yuav xav tau ib 1500 mm lintel ntev kom haum raws li qhov xav tau 150mm ncua ntawm txhua sab ntawm qhov qhib. R15 yog qhov nrov qhob khoom; ntawm no koj tuaj yeem pom cov lus teev cov nqi nce mus txog a ntev ntawm 1800mm.

Ib sab saum toj no, koj xam lub lintel li cas? Cov lintel qhov loj yog qhov siab thiab dav, thiab yuav nyob rau hauv inches. Muab cov qhov ntev no los nrhiav thaj tsam hla ntu. Piv txwv li: Yog tias daim ntawv loj qhia tias daim iav rau ntsuas 8 los ntawm 16 ntiv tes, nws yuav muaj qhov chaw hla ntawm 128 square inches.

puas yog pob zeb lintels thauj khoom?

Lintels feem ntau yog siv rau thauj khoom - kev coj tus kheej lub hom phiaj, tab sis lawv kuj tuaj yeem ua kom zoo nkauj. Cov khoom siv ntau tshaj plaws rau cov ntaub ntawv yog ntoo, hlau thiab qhob . Hlau daim ntaub feem ntau yog ua los ntawm pre-galvanized steel uas yog txiav thiab yob-tsim los yog nias rau hauv cov duab yuav tsum tau ua.

Lub lintel hnyav hnyav npaum li cas?

Kev qhia tshwj xeeb

Qhov tob: 65.0
Ntau yam: Prestressed Textured
Nyhav: 25,7kg ib
Ntev: 1800.0 hli
Dav: 100.0 hli

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