特细砂与中砂混凝土配合比比较设计及工程应用

Comparison Design and Application of Mix Proportion for Super-fine Sand and Middle Sand Concrete

采用普通混凝土的配合比设计理论,采取特细砂混凝土与普通中砂混凝土的对比试验的方法,确定特细砂混凝土的配合比设计。对其性能从试验室试验到工程应用,使所生产的混凝土稳定地保持了所要求的质量水平,使得当地特细砂在工程中成功应用。解决了特细砂配制混凝土的应用和混凝土细骨料问题,提高了工程综合效益,提高了竞争力,维护了中国工程技术人员形象。特细砂混凝土在安哥拉部分地区具有普及和推广意义。

On the base of mix proportion of ordinary concrete design theory.the author adopted the method contrasted to the test between super-fine sand concrete and ordinary sand concrete.From laboratory tests to the application to engineering,the super-fine sand concrete maintained the stability of the required level of quality,leaving successful application of super-fine sand in the local project.The super-fine sand concrete solved the problem of super-fine sand concrete application and aggregate of the concrete.It enhanced overall efficiency of the project and the competitiveness of our company,meanwhile,safeguarded Chinese image of engineering and technical personnel.Super-fine sand concrete has an universal and promote significance in some areas of Angola.