Classification of Concrete Admixtures

Concrete admixtures muab faib ua plaub pawg raws li lawv lub luag haujlwm tseem ceeb:
2.1 Admixtures siv los txhim kho cov khoom ntws ntawm cov pob zeb sib tov. Xws li ntau yam dej txo cov neeg ua haujlwm, cov khoom siv cua nkag thiab cov twj tso kua mis, thiab lwm yam.
2.2 Admixtures siv los kho lub sij hawm teem thiab hardening zog ntawm pob zeb. Xws li cov retarder, tus neeg saib xyuas lub zog thaum ntxov thiab tus neeg sawv cev ceev ceev.
2.3 Admixtures los txhim kho lub durability ntawm pob zeb. Xws li cov khoom siv cua nkag, cov tshuaj tiv thaiv dej thiab cov tshuaj tiv thaiv xeb.
2.4 Admixtures uas txhim kho lwm yam khoom ntawm pob zeb. Xws li cov cua nkag mus, cov neeg ua haujlwm nthuav dav, cov xim, cov tshuaj tiv thaiv kab mob, cov tshuaj tiv thaiv dej thiab cov twj tso kua mis, thiab lwm yam.