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掺入粗骨料的生态型超高性能混凝土流动性和力学性能的研究 被引量:1

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摘要 采用天然细骨料和矿粉等天然矿物掺合料,替代国内外学者研究的超高性能混凝土中的石英粉和石英砂,并掺入粗骨料,在降低生产成本的同时,为建筑施工提供良好的力学骨架。采用压制成型和热水养护的方法,旨在消除由粗骨料的掺入引起的显著的界面效应,并成功制备出高强度,高韧性的生态型超高性能混凝土。分析砂胶比,纤维体积分量,粗骨料掺入种类,压制成型的持荷时间对超高性能混凝土的流动性和力学性能的影响,设计超高性能混凝土制备的最优配合比,并最终建立生态型超高性能混凝土抗压强度、抗折强度的回归方程。
作者 权基琢鋆
出处 《江西建材》 2008年第4期3-7,共5页 Jiangxi Building Materials
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