超粒径骨料对机制砂自密实混凝土性能的影响

Highway(2018)

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Abstract
研究超粒径骨料掺量对机制砂自密实混凝土工作性、强度及耐久性的影响.结果表明:掺加4%超粒径碎石的机制砂生态自密实混凝土与常规机制砂自密实混凝土相比,自密实混凝土胶凝材料用量少,仍保证良好的工作性,强度及静弹性模量有了明显的提升,掺加4%超粒径碎石的机制砂生态自密实混凝土在体积稳定性、抗渗性能、抗冻性能和抗硫酸盐侵蚀性能都优于常规自密实混凝土.
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