Dab tsi yog qhuav mix mortar muaj pes tsawg leeg?

Qhuav mix mortar yog cov khoom sib xyaw ua ntej, npaj siv cov khoom sib xyaw ntawm cov cement, xuab zeb, thiab lwm yam additives, xws li txiv qaub, dej-retaining agents, thiab air-entraining agents.Nws yog siv los ua tus neeg sawv cev sib txuas rau kev siv masonry thiab plastering.

Qhov sib xyaw ntawm qhuav mix mortar nyob ntawm hom ntawv thov uas nws tau npaj.Feem ntau, muaj pes tsawg leeg ntawm qhuav mix mortar muaj xws li cov nram qab no Cheebtsam:

Cement: Cement yog tus neeg sawv cev tseem ceeb hauv cov khoom sib xyaw qhuav thiab feem ntau yog cov khoom kim tshaj plaws.Nws feem ntau yog tsim los ntawm Portland cement, uas yog kev sib xyaw ntawm calcium, silica, alumina, thiab hlau oxide.Tus nqi ntawm cov cement siv nyob rau hauv qhuav mix mortar yuav txawv nyob ntawm seb daim ntawv thov thiab xav tau lub zog ntawm lub mortar.

Xuab zeb: Xuab zeb yog qhov thib ob tseem ceeb tshaj plaws nyob rau hauv qhuav mix mortar.Nws yog siv los muab bulk thiab lub zog rau lub mortar.Qhov loj thiab hom xuab zeb siv yuav nyob ntawm daim ntawv thov thiab xav tau lub zog ntawm cov tshuaj khib.

Txiv qaub: Txiv qaub yog ntxiv rau qhuav mix mortar kom nws workability thiab txo shrinkage.Nws kuj tseem pab txo qis cov dej uas xav tau rau kev sib xyaw thiab txhim kho cov tshuaj khib nyiab kom muaj peev xwm sib txuas nrog cov substrate.

Dej-Retaining Agents: Dej-retaining agentsCellulose ethersyog ntxiv rau qhuav mix mortar los pab nws khaws cov dej noo thiab txo cov dej uas xav tau rau kev sib tov.Cov tshuaj no feem ntau yog tsim los ntawm cov polymers lossis lwm yam khoom siv hluavtaws.

Air-Entraining Agents: Cov khoom siv cua nkag tau ntxiv rau cov khoom sib xyaw qhuav kom txo tau cov cua npuas hauv cov mortar.Qhov no yuav pab txhim kho lub mortar lub zog thiab kev ua haujlwm.

Additives: Ntau yam additives kuj yuav muab ntxiv rau qhuav mix mortar los txhim kho nws cov kev ua tau zoo.Cov additives no tuaj yeem suav nrog plasticizers, accelerators, retarders, thiab waterproofing agents.

Qhov tseeb muaj pes tsawg leeg ntawm qhuav mix mortar yuav txawv nyob ntawm daim ntawv thov thiab xav tau lub zog ntawm lub mortar.Nws yog ib qho tseem ceeb uas yuav tau sab laj nrog tus kws tshaj lij ua ntej siv cov tshuaj khib nyiab qhuav kom ntseeg tau tias cov khoom siv raug siv rau txoj haujlwm.