Research on the Preparation and Performance of Binary Modified Maltodextrin Water-Reducing Agent

Table 6

Concrete performance.

water-reducing agent	Content (%)	Gas content (%)	Slump constant/divergence (cm)		Pressive strength (MPa)
			Initial	50 min	3 d	7 d	28 d
Naphthalene series	0.45	2.8	23.7/48	15.9	34.8	50.2	70.8
BMMD	0.45	3.0	24.1/56	19.8/35	31.2	50.2	72.1