Effects of fly ash and pulverized blast furnace slag on resistance of permeability and resistance of freezing of high strength lightweight aggregate concrete (HSLWAC) were investigated.
研究了粉煤灰和磨细矿渣对高强轻骨料混凝土抗渗及抗冻性能的影响。
Shrinkage of high strength lightweight aggregate concrete (HSLWC) is an important parameter for the design of prestressed HSLWC structures.
高强轻骨料混凝土(HSLWC)的收缩性能是预应力hslwc结构设计的重要参数。
It shows that the shrinkage caused by the large content of cement can reduce by partial filling prewetting haydite in the high-strength and lightweight aggregate concrete.
结果表明，通过在高强混凝土中掺加部分提前用水浸泡过陶粒的办法，可以减少高强混凝土因水泥用量过大而引起的较大收缩。
In addition, water absorption rate of high strength lightweight aggregate in concrete under pressure decreases with its initial containing water rate increasing.
此外，陶粒在混凝土中的压力吸水率随其初始含水率的增大而减小。
The effect of curing regime, pre-wetting degree of lightweight aggregate, and the volume rate of sand on the frost resistance of high strength lightweight concrete is investigated.
采用快速冻融法研究了养护制度、轻集料的预湿程度和体积砂率对高强轻集料混凝土抗冻性能的影响。结果表明：轻集料混凝土具有良好的抗冻性能。
The effect of curing regime, pre-wetting degree of lightweight aggregate, and the volume rate of sand on the frost resistance of high strength lightweight concrete is investigated.
采用快速冻融法研究了养护制度、轻集料的预湿程度和体积砂率对高强轻集料混凝土抗冻性能的影响。结果表明：轻集料混凝土具有良好的抗冻性能。
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