The results show that the addition of composite micro-aggregates to concrete can improve the structure of the mortar and interface, and greatly increase the compressive strength of concrete.
结果表明，掺加上述微细集料可以有效地改善混凝土中水泥浆及界面结构，显著提高混凝土强度。
As arch dam is an eccentrically compressed structure, the safety of the dam is primarily determined by the compressive strength of concrete.
作者认为，拱坝是偏心受压结构，坝体安全主要取决于混凝土的抗压强度。
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