Discussed initially the mechanism of polycarboxylic water-reducer improve performance of cracking-resistance of concrete.
初步探讨了聚羧酸减水剂提高混凝土抗劈裂性能机理。
Performance of sulfonated alkali lignin used as water reducer for concrete was experimented.
实验研究了磺化碱木素用作混凝土减水剂的性能。
The influences of flyash, water reducer and W/C on the strength and brittleness of flyash paving concrete were investigated.
本文研究了粉煤灰、 减水剂掺量与水灰比对粉煤灰道路混凝土抗压强度、 脆性系数的影响。
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