Dab tsi yog qhov sib xyaw zoo tshaj plaws rau pob zeb?
Dab tsi yog qhov sib xyaw zoo tshaj plaws rau pob zeb?

Video: Dab tsi yog qhov sib xyaw zoo tshaj plaws rau pob zeb?

Video: Dab tsi yog qhov sib xyaw zoo tshaj plaws rau pob zeb?
Video: dab neeg sib aim heev tshaj tab si qau nkag paum lawm ce tos ntsaj lawm xwb 2024, Kaum ib hlis
Anonim

Lwm "txoj cai qub ntawm tus ntiv tes xoo" rau kev sib xyaw ua ke yog 1 cement: 2 xuab zeb :3 gravel by ntim. Sib tov cov khoom xyaw qhuav thiab maj mam ntxiv dej kom txog thaum lub pob zeb ua haujlwm. Qhov sib tov no yuav tsum tau hloov kho nyob ntawm qhov sib xyaw siv los muab cov pob zeb ua haujlwm zoo.

Ib yam li ntawd, tib neeg nug, dab tsi yog qhov sib xyaw kom raug rau pob zeb?

Ib qho sib xyaw ua ke ntawm 1 feem cement, 3 qhov chaw xuab zeb , thiab 3 qhov sib sau ua ke yuav tsim kev sib xyaw ua ke ntawm kwv yees li 3000 psi. Kev sib tov dej nrog cov cement, xuab zeb , thiab pob zeb yuav tsim ib qho muab tshuaj txhuam uas yuav khi cov ntaub ntawv ua ke kom txog thaum sib tov hardens.

Ib yam li ntawd, koj yuav ua li cas sib tov koj tus kheej pob zeb? Rau sib tov koj tus kheej pob zeb Rau cov ko taw thiab cov piers, siv 1 feem Portland cement, 2 qhov chaw huv dej xuab zeb, thiab 3 qhov chaw gravel (qhov siab tshaj ntawm 1 nti inch thiab tshwj xeeb tshaj yog ntxuav rau kev sib xyaw ua ke ). Ntxiv dej huv, me ntsis ntawm ib lub sij hawm, raws li koj sib tov . Cov pob zeb yuav tsum yog yas, tsis txhob los nag.

Ua kom pom qhov no, qhov sib xyaw ua ke uas muaj zog tshaj plaws yog dab tsi?

Hauv kev ua pob zeb muaj zog , cov khoom xyaw no feem ntau yuav tsum yog sib xyaw hauv a piv ntawm 1: 2: 3: 0.5 kom ua tiav lub zog siab tshaj plaws. Ntawd yog 1 ntu cement , 2 seem xuab zeb, 3 seem gravel, thiab 0.5 feem dej.

Hom pob zeb siv li cas rau slabs?

Ib qho kev sib tov ntawm 1 feem cement : 2 seem xuab zeb: 4 qhov chaw coarse aggregate yuav tsum tau siv rau lub pob zeb pob zeb.

Pom zoo: