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本文采用机制砂、天然砂和特细砂混合使用,不但在混凝土拌合物性能及硬化后的强度和耐久性上取得与单用天然砂相同的效果,更在经济效益与确保质量方面比单用天然砂更胜一筹。
In this paper, the use of synthetic sand, natural sand and ultrafine sand mixed use, not only in the concrete mixture properties and harden the strength and durability of single sand with natural sand obtained the same effect, but also in terms of economic benefits and ensure quality than single Use natural sand superior.