| 小龄期水泥土无侧限抗压强度试验研究 |
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| 引用本文： | 周海龙,申向东,薛慧君.小龄期水泥土无侧限抗压强度试验研究[J].山东大学学报(工学版),2014,44(1):75-79. |
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| 作者姓名： | 周海龙 申向东 薛慧君 |
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| 作者单位： | 内蒙古农业大学水利与土木建筑工程学院, 内蒙古 呼和浩特 010018 |
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| 基金项目： | 国家自然科学基金资助项目(51069008);高等学校博士学科点专项科研基金资助项目(20121515110002);内蒙古自治区高等学校科学研究基金资助项目(NJ09046) |
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| 摘 要： | 选取水泥掺入比(质量分数)为5％、10％、15％、20％,养护龄期为7,14,21,28d进行了单轴压缩试验,得到了水泥土的无侧限抗压强度和应力-应变关系曲线的变化规律,定量分析了水泥掺入比和小龄期对水泥土力学性能的影响,给出了应力-应变关系曲线的数学表达式,为水泥土在内蒙古自治区中部地区灌区渠道衬砌防渗工程及有关土建工程的应用提供科学依据。
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| 关 键 词： | 水泥土 无侧限抗压强度 龄期 水泥掺入比 应力-应变关系曲线 |
| 收稿时间： | 2013-09-26 |
Experiment research on unconfined compressive strength of cement soil under small age |
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| ZHOU Hai-long,SHEN Xiang-dong,XUE Hui-jun.Experiment research on unconfined compressive strength of cement soil under small age[J].Journal of Shandong University of Technology,2014,44(1):75-79. |
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| Authors: | ZHOU Hai-long SHEN Xiang-dong XUE Hui-jun |
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| Affiliation: | College of Water Conservancy and Civil Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China |
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| Abstract: | The cement mixing ratio was respectively selected as 5％, 10％, 15％, 20％, and the curing age was respectively selected as 7, 14, 21, 28d to put forth the uniaxial compression test. The value of unconfined compressive strength and the change law of stress strain curve for cement soil was obtained. Finally, the influence of cement mixing ratio and small age on mechanical behavior of cement soil were quantitatively analyzed, and the mathematical expression of stress strain relation curve was granted, which could provide science foundation for applying cement soil into irrigation channel liner impervious engineering and civil construction engineering in the middle area of Inner Mongolian Autonomous Region. |
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| Keywords: | unconfined compressive strength age cement soil cement mixing ratio stress strain relation curve |
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