Dab tsi mortar siv rau qhuav pob da dej lauj kaub?

Qhuav pob mortar feem ntau yog siv los tsim lub lauj kaub da dej hauv cov pobzeb da dej. Cov pob zeb qhuav qhuav siv rau lub hom phiaj no feem ntau yog sib xyaw ntawm Portland cement thiab xuab zeb, tov nrog dej txaus los tsim kom muaj kev sib haum xeeb. Qhov piv ntawm Portland cement rau xuab zeb tuaj yeem sib txawv nyob ntawm daim ntawv thov tshwj xeeb, tab sis qhov sib piv yog 1 feem Portland cement rau 4 seem xuab zeb los ntawm ntim.

Thaum xaiv cov pob zeb qhuav rau kev teeb tsa da dej, nws yog ib qho tseem ceeb uas yuav tau xaiv cov khoom zoo uas tau tsim tshwj xeeb rau daim ntawv thov no. Nrhiav ib lub mortar uas yog tsim los tiv thaiv dej nkag, yog pwm-resistant, thiab muaj lub siab compressive zog los txhawb qhov hnyav ntawm cov pobzeb thiab cov neeg siv.

Qee lub tuam txhab muab cov pob zeb qhuav ua ntej sib xyaw ua ke uas tau tsim tshwj xeeb rau kev teeb tsa da dej. Cov khoom sib xyaw ua ntej no tuaj yeem txuag lub sijhawm thiab ua kom zoo ib yam, tab sis nws tseem ceeb heev kom ua raws li cov chaw tsim khoom cov lus qhia thiab cov kev coj ua zoo tshaj plaws rau kev teeb tsa.

Thaum txhim kho lub pob qhuav da dej, nws yog ib qho tseem ceeb kom ntseeg tau tias lub substrate tau npaj kom zoo thiab nqes kom tso cai rau cov kua dej kom zoo. Cov pob zeb qhuav yuav tsum tau ntim nruj nreem rau hauv lub substrate siv lub trowel los yog lwm yam khoom siv tsim nyog, thiab qhov chaw yuav tsum tau leveled thiab smoothed raws li qhov tsim nyog. Nws yog ib qho tseem ceeb uas yuav tsum tau tso cai rau lub mortar kho kom zoo ua ntej pib nrog kev teeb tsa ntawm cov pobzeb lossis lwm yam ua tiav.