Tab sis nws yuav tsum paub meej tias yog tias tsis muaj dej nyob hauv cov pob zeb ua, txawm tias koj ntxiv ntau polycarboxylate superplasticizer, tsis muaj teeb meem sib xyaw li cas, cov nplaim ntawm cov pob zeb ntawm cov khoom siv raw tsis zoo li yuav ntub, yog li kev sib txhuam ntawm cov hais yuav tseem yuav heev tshaj, ua vaj tse yog ib cov xuab zeb, kiag li tsis muaj yas ua.
Ntawm lub hauv paus no, nws tuaj yeem txiav txim siab tias, qhov tseem ceeb, dej txaus tuaj yeem ntub dej ntawm cov pob zeb ntawm cov khoom siv raw, txo qhov kev sib txhuam ntawm cov lus, thiab yog li muab cov khoom yas rau cov pob zeb ua; Tom qab ntxiv polycarboxylate superplasticizer, cov nyhuv ntawm dej tuaj yeem pom kev loj dua. Hauv qhov kev txiav txim siab no, ntxiv dej thiab txo tus neeg sawv cev yog sib npaug ntxiv cov dej ntxiv.
