4.1 cov khoom xeem
Tus nqi dej txo, qhov feem pua los ntshav, cov ntsiab lus roj, qhov sib txawv ntawm kev teeb tsa lub sijhawm, lub zog compressive piv, shrinkage ratio, cuam tshuam ntawm steel corrosion thiab homogenization (tag nrho cov hauv paus, sodium sulfate, chloride ion, PH tus nqi, cov ntsiab lus khib nyiab, thiab lwm yam).
4.2 kuaj sim
GB8076 "coj mus muag ua vaj tse admixture", GB8077 "txoj kev sim rau homogenization ntawm kev ua lag luam admixture", GB50119 "cov lus qhia tshwj xeeb rau kev thov kev coj mus muag ua vaj tse admixture", JG / T223 "polycarboxylic acid series high-performance water reducer", thiab lwm yam.
