| 水泥稳定碎石基层收缩裂缝综合防治试验 |
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| 引用本文： | 黄煜镔,吕伟民,徐建达,吴明.水泥稳定碎石基层收缩裂缝综合防治试验[J].重庆大学学报(自然科学版),2006,29(11):154-159. |
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| 作者姓名： | 黄煜镔 吕伟民 徐建达 吴明 |
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| 作者单位： | 重庆大学,土木工程学院,重庆,400030;同济大学,交通运输工程学院,上海,200092;杭州市,公路管理局,淅江,杭州,310004 |
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| 摘 要： | 为了控制反射裂缝，基层材料的性能优化是简单有效的技术途径，采用减少基层材料用水量、降低水泥用量以及降低水的表面张力等方法均有助于减少收缩裂缝的产生．试验结果表明，水泥稳定碎石基层中掺加粉煤灰、减水剂、减缩剂能明显改善基层抗收缩性能，通过采用复合掺加的方法效果更佳．
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| 关 键 词： | 水泥稳定碎石基层 反射裂缝 收缩 粉煤灰 减水剂 减缩剂 |
| 文章编号： | 1000-582X（2006）11-0154-06 |
| 收稿时间： | 2006-05-20 |
| 修稿时间： | 2006年5月20日 |
Test Study on the Synthetic Control of Shrinkage Cracking on the Base of Cement Stabilized Crushed Rock |
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| HUANG Yu-bin,LU Wei-min,XU Jian-d,WU Ming.Test Study on the Synthetic Control of Shrinkage Cracking on the Base of Cement Stabilized Crushed Rock[J].Journal of Chongqing University(Natural Science Edition),2006,29(11):154-159. |
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| Authors: | HUANG Yu-bin LU Wei-min XU Jian-d WU Ming |
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| Institution: | 1. College of civil engineering, Chongqing university, Chongqing 400030, China; 2. Institute of traffic and transportation, Tongji university, Shanghai 200092, China ; 3. Bureau of pavement management, Hangzhou 310004, China |
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| Abstract: | To optimize properties of the crushed rock is a simple and effective method to control the reflective cracking.There are some measures to reduce the shrinkage of the crushed rock,such as: decreasing water content and cement percentage,reducing surface tension of water.The test study shows that shrinkage resistance of the crushed rock base can be improved by mixing with fly ash,water reducing agent and shrinkage reducing agent each other,it will be better for the crushed rock to mix with fly ash,water reducing agent and shrinkage reducing agent proportionally. |
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| Keywords: | base of cement stabilized crushed rock reflective cracking shrinkage fly ash water reducing agent shrinkage reducing agent |
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