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。
Based on field measurements and experimental analyses of underwater shrinkage cracks, we discuss formation processes of the cracks, sedimentary models of their filling, factors that influence them.
通过野外实地考察测试，对水下收缩裂隙整体形成过程、裂隙内充填物沉积模式、影响因素等进行了详细讨论，并且建立了相应的地质理论模型。
The grouting material have great fluidity, no shrinkage, early strength, gravity flow, excellent filling performance and so on… Simple construction Operation and easy accession to technology.
以特选胶凝材料，粉状骨料，外掺料，经特殊工艺配制而成的专用灌浆材料，具有极大流动度，无收缩，早强，自流，充填性能优越等特点，施工操作方便，技术易于掌握。
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