Some defects such as quick slump loss, poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers.
目前使用的大量萘系高效减水剂存在着坍落度损失大、与水泥的适应性差、易泌水等缺陷，本文运用物理多元复合技术对萘系高效减水剂进行了改性。
The results show that the ability of the synthesis production to control the slump loss can be qualitatively determined through the ability to keep the fluidity of cement paste without bleeding.
结果表明，利用合成产品的无泌水水泥净浆流动度的保持性能可以定性判定合成产品在保持混凝土坍落度方面的能力。
In this paper, the behavior of grouting cement mortar to reinforce highway subgrade is analyzed from the aspects of stability, fluidity, viscosity, bleeding ratio and setting time of cement mortar.
对注浆加固公路路基用的水泥浆体从稳定性、流动度、粘滞度、凝结时间、析水率等方面进行了研究。
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