| 稳定红砂土软质集料基层的干缩特性研究 |
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| 引用本文： | 黄维蓉,何兆益,刘清泉.稳定红砂土软质集料基层的干缩特性研究[J].重庆交通学院学报,2006,25(6):81-86. |
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| 作者姓名： | 黄维蓉 何兆益 刘清泉 |
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| 作者单位： | 重庆交通大学 重庆400074(黄维蓉，何兆益)，交通部公路科学研究所 北京100088(刘清泉) |
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| 基金项目： | 交通部西部科技项目（2001 318 223 45） |
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| 摘 要： | 通过对水泥稳定红砂土、石灰粉煤灰稳定红砂土、固化剂稳定红砂土、掺入软质集料的水泥稳定红砂土和掺入软质集料的石灰粉煤灰稳定红砂土基层材料进行干燥收缩特性的试验研究,得出掺入软质集料的水泥稳定红砂土和掺入软质集料的石灰粉煤灰稳定红砂土比水泥稳定红砂土和固化剂稳定红砂土具有更小的干缩系数,作为缺乏硬质石料地区的县乡道路的路面基层材料是可行的,有较好的应用推广价值.
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| 关 键 词： | 红砂土 软质集料 干缩 路面基层 |
| 收稿时间： | 2005-08-09 |
| 修稿时间： | 2005-12-07 |
Study on the dry shrinking property of stabilized red sand soil soft aggregate pavement base |
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| HUANG Wei-rong, HE Zhao-yi, LIU Qing-qian.Study on the dry shrinking property of stabilized red sand soil soft aggregate pavement base[J].Journal of Chongqing Jiaotong University,2006,25(6):81-86. |
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| Authors: | HUANG Wei-rong HE Zhao-yi LIU Qing-qian |
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| Institution: | 1. Chongqing Jiaotong University, Chongqing 400074, China; 2. Research Institute of Highway, Beijing 100088, China |
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| Abstract: | In this paper,the dry shrinking property of cement stabilized red sand soil;lime-fly ash stabilized red sand soil;solidify agent stabilized red sand soil and lime-fly ash stabilized red sand soil adding soft aggregate are researched,finally,lime-fly ash stabilized red sand soil adding soft aggregate and cement stabilized red sand soil adding soft aggregate are preference than cement stabilized red sand soil;lime-fly ash stabilized red sand soil and solidify agent stabilized red sand soil in dry shrinking property,which are used as pavement base 0f county road in lacking aggregate district is reasonable,it has a good application value. |
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| Keywords: | red sand soil soft aggregate dry shrinking pavement base |
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