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浅谈自密实混凝土的研究与应用 被引量:1

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摘要 自密实混凝土本质就是高流态混凝土。它一般由骨料(4.75~19mm的碎石和中砂)、高效减水剂(有时使用增稠剂)、膨胀剂及粉体混合材(如粉煤灰、矿渣等粉、氟石粉等)通过优化配合比制成,并且不离析、不泌水、仅在自身重力作用下自动流平,均匀地填充试模的各个部位,硬化后具有良好的物理力学性能和体积稳定性。
出处 《公路交通科技(应用技术版)》 CAS CSCD 2009年第10期26-28,共3页
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