| 水泥粉煤灰稳定碎石结合料填充系数的优选 |
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| 引用本文： | 周明凯,陈潇,刘佳,范志勇,吴兵兵.水泥粉煤灰稳定碎石结合料填充系数的优选[J].建筑材料学报,2009,12(1). |
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| 作者姓名： | 周明凯 陈潇 刘佳 范志勇 吴兵兵 |
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| 作者单位： | 武汉理工大学,硅酸盐材料工程中心教育部重点实验室,湖北,武汉,430070 |
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| 摘 要： | 研究了不同集料级配下,不同结合料填充系数对水泥粉煤灰稳定碎石无侧限抗压强度、劈裂强度、回弹模量、干缩应变以及干缩能抗裂指数的影响.据此,优选出了水泥粉煤灰稳定碎石结合料填充系数的适宜范围(1.0～1.2).该范围随集料级配变化的波动性较小,具有较强的普适性.
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| 关 键 词： | 水泥粉煤灰稳定碎石 结合料填充系数 级配 力学性能 抗裂 |
Optimization of Binder Filling Coefficient of Cement-Fly Ash Stabilized Crushed Stones |
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| ZHOU Ming-kai,CHEN Xiao,LIU Ji,FAN Zhi-yong,WU Bing-bing.Optimization of Binder Filling Coefficient of Cement-Fly Ash Stabilized Crushed Stones[J].Journal of Building Materials,2009,12(1). |
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| Authors: | ZHOU Ming-kai CHEN Xiao LIU Ji FAN Zhi-yong WU Bing-bing |
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| Affiliation: | Key Laboratory for Silicate Materials Science and Engineering and Ministry of Education;Wuhan University of Technology;Wuhan 430070;China |
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| Abstract: | Research results of cement-fly ash stabilized crushed stone prepared with different binder filling coefficients and different aggregates gradations were presented.The unconfined compressive strength and splitting strength,modulus of elasticity,dry shrinkage strain as well as dry shrinkage energy anti-cracking coefficient were determined.Hereby,it is put forward that the suitable binder filling coefficient in cement-fly ash stabilized crushed stone is between 1.0 and 1.2,having a good generalization to diffe... |
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