| Fe2O3和Al2O3胶结作用影响红粘土抗剪强度试验研究 |
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| 引用本文： | 李永豪,赵许川,刘静涛,王建庆,潘科.Fe2O3和Al2O3胶结作用影响红粘土抗剪强度试验研究[J].路基工程,2013,0(2):19-21. |
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| 作者姓名： | 李永豪 赵许川 刘静涛 王建庆 潘科 |
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| 作者单位： | 1.桂林理工大学土木与建筑工程学院，广西桂林 541004 |
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| 基金项目： | 国家自然科学基金项目（51169004）;广西研究生教育创新计划项目（2011105960818M09）;广西重点实验室基金项目（11-CX-02） |
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| 摘 要： | 采用常规三轴试验，得到桂林地区红粘土的抗剪强度参数。由于红粘土中Fe2O3和Al2O3含量愈高，胶结作用愈强，导致红粘土的抗剪强度增加。通过线性回归拟合得出其百分含量和粘聚力成线性关系，并推导出拟合方程，以此评价Fe2O3和Al2O3胶结作用对桂林红粘土强度特性的影响。
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| 关 键 词： | 红粘土 三轴试验 胶结作用 |
| 收稿时间： | 2019-11-07 |
Experimental Study on Influence of Cementation via Fe2O3 and Al2O3 in Red Clay on Its Shearing Strength |
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| Authors: | LI Yonghao ZHAO Xuchuan LIU Jingtao WANG Jianqing PAN Ke |
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| Institution: | 1. School of Civil and Architecture Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China; 2. The Construction Preparation Office for Chengde-Qinhuangdao Highway of Hebei Province, Qinhuangdao 066100, Hebei, China; 3. Tianjin Days Secco Project Supervision Consulting Firm, Tianjin 300450, China) |
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| Abstract: | In this paper, we get red clay＇s parameters of the shearing strength by conventional triaxial tests. As the content of Fe2O3 and Al2O3 in red clay is higher, the action of cementation is stronger, resulting in the increased shearing strength. The linear relation between the content in percentage and the cohesion may be obtained by linear regression fitting and then the fitting equation may be deduced, through which the influence of cementation via Fe2O3 , Al2O3 on the strength property of red clay in Guilin is evaluated. |
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| Keywords: | red clay triaxial test cementation |
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