Cov nyhuv ntawm Admixtures ntawm cov khoom vaj khoom tsev

Qhov kev ua tau zoo ntawm cov khoom sib xyaw tuaj yeem hloov pauv feem ntau suav nrog kev ua vaj tse hardness, teeb tsa lub sijhawm, qhov ntom ntom, thiab lwm yam. Piv txwv li, hloov qhov fluidity ntawm pob zeb, durability, dej txo tus neeg sawv cev yog ib hom kev sib xyaw nrog cov nyhuv no, tuaj yeem txhim kho cov cohesiveness ntawm pob zeb; Tseem tuaj yeem txuag dej thiab cement noj, txo nws cov nqi thaum txhim kho nws lub zog; Kuj tseem tuaj yeem txhim kho qhov fluidity ntawm ntau yam khoom siv hauv kev sib xyaw ua ke, txhim kho kev ua haujlwm zoo; Ntau dua tuaj yeem txhim kho lub durability ntawm pob zeb, thiab tom qab ntawd txhim kho nws lub zog, thiaj li ua kom lub neej ntev ntawm lub tsev. Piv txwv li, txhawm rau txhim kho cov roj cov ntsiab lus ntawm cov pob zeb, ntxiv cov huab cua nkag mus rau hauv cov pob zeb tuaj yeem ua rau muaj qee qhov sib npaug ntawm cov npuas me me hauv cov pob zeb, cov npuas no tuaj yeem tsis tsuas yog ua kom nws ruaj khov, tab sis kuj txhim kho nws cov tshuaj tiv thaiv corrosion, tab sis kuj. tuaj yeem txhim kho nws cov dej tuav thiab cohesion. Piv txwv li, tswj cov pob zeb ua kom nrawm, hauv cov txheej txheem kev teeb tsa pob zeb los ntawm kev ntxiv cov retarder, tuaj yeem txuas ntxiv kom tsim nyog 3-3.5H qhov chaw ceev. Tseem tuaj yeem cuam tshuam rau lub zog ntawm pob zeb, los ntawm kev ntxiv tus neeg sawv cev nthuav dav hauv pob zeb, hloov nws cov hardness thiab lub zog.