Cov pob zeb qhuav yog dab tsi?

Cov pob zeb qhuav yog ib hom pob zeb uas sib xyaw kom qhuav, crumbly sib xws, thiab feem ntau yog siv rau kev txhim kho cov kab rov tav los yog kho cov pob zeb ua vaj tse.Tsis zoo li cov pob zeb sib xyaw ua ke, cov pob zeb qhuav qhuav muaj cov dej me me, uas yuav pab tau kom teeb tsa thiab kho tau qeeb dua.

Ua kom cov pob zeb qhuav, sib tov ntawm Portland cement, xuab zeb, thiab dej sib xyaw ua ke kom txog thaum nws muaj qhov sib xws, qhuav.Tom qab ntawd cov khoom sib tov yog ntim nruj nreem rau hauv qhov chaw uas yuav tsum tau ntim, xws li lub qhov los yog kev nyuaj siab nyob rau hauv ib qho chaw ua vaj tse.Qhov sib tov yog feem ntau ntim rau hauv cov khaubncaws sab nraud povtseg, nrog rau txhua txheej yog compacted nrog ib tug trowel los yog lwm yam khoom tsim nyog.

Thaum cov pob zeb qhuav tau raug teeb tsa lawm, nws yuav tsum tau kho rau lub sijhawm, feem ntau ntawm 24 thiab 48 teev.Thaum lub sij hawm no, cov pob zeb yuav tawv thiab khi rau qhov chaw nyob ib puag ncig, tsim kom muaj kev ruaj khov thiab kav ntev ntev los yog kev txhim kho.

Cov pob zeb qhuav qhuav feem ntau yog siv rau cov ntawv thov uas yuav tsum muaj kev ruaj ntseg thiab lub zog siab, xws li hauv kev tsim cov plag tsev, cov kauj ruam, lossis lwm qhov chaw kab rov tav.Nws kuj yog feem ntau siv los kho cov kab nrib pleb, qhov, thiab lwm yam kev puas tsuaj hauv cov vaj tse pob zeb.

Zuag qhia tag nrho, pob zeb qhuav tuaj yeem muab cov tshuaj muaj zog thiab ruaj khov rau ntau yam kev siv pob zeb.Nws yog ib qho tseem ceeb kom ua raws li cov kev coj ua zoo tshaj plaws thiab cov chaw tsim khoom cov lus qhia thaum siv cov pob zeb qhuav kom ntseeg tau tias muaj kev txhim kho lossis kho kom zoo.