grains-size effect meaning in English

粒度效应

Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test , which be provided with high water - reducing property , low slump loss and good compatibility with cement . according to the request of super high early strength , admixture rf is obtained though tests to compare performances of different accelerators and admixtures . experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通过水泥净浆试验比较选择了减水率高、坍落度损失小、与水泥适应性好的氨基苯磺酸盐高效减水剂；针对超早强的性能要求，试验比较了不同早强剂及早强性掺合料的性能表现，研制了早强性能显著、与高效减水剂和水泥相容性较好的rf掺合料；考虑到修补混凝土对粗集料粒径的敏感性，对粗集料粒径效应及混合集料堆积密度进行试验研究与分析；并对修补混凝土的抗折、抗压、新老界面粘结强度以及抗冻性等进行了试验研究。