| 炭质泥岩抗剪强度的饱水软化特性及工程应用研究 |
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| 引用本文： | 向喜琼,喻兴,付明,刘宏.炭质泥岩抗剪强度的饱水软化特性及工程应用研究[J].科学技术与工程,2017,17(8). |
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| 作者姓名： | 向喜琼 喻兴 付明 刘宏 |
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| 作者单位： | 贵州大学喀斯特环境与地质灾害防治重点实验室,贵州大学喀斯特环境与地质灾害防治重点实验室,贵州大学喀斯特环境与地质灾害防治重点实验室,贵州大学喀斯特环境与地质灾害防治重点实验室 |
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| 摘 要： | 采用试样浸泡饱和法和室内快剪试验,对炭质泥岩浸泡饱水后的抗剪强度变化规律进行了试验研究。结果表明,炭质泥岩的抗剪强度随饱水浸泡时间的增加而显著降低,内聚力和内摩擦角均表现出较明显的负指数变化规律。以贵州某高填方边坡为例,阐述了炭质泥岩抗剪强度的饱水软化特性对工程的危害。
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| 关 键 词： | 炭质泥岩 抗剪强度饱水软化 工程应用 |
| 收稿时间： | 2016/10/4 0:00:00 |
| 修稿时间： | 2016/10/26 0:00:00 |
Characteristics of Softening Shear Strength of Carbonaceous Mudstone and its Engineering Application |
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| Xiang xiqiong,Yu xing,Fu ming and.Characteristics of Softening Shear Strength of Carbonaceous Mudstone and its Engineering Application[J].Science Technology and Engineering,2017,17(8). |
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| Authors: | Xiang xiqiong Yu xing Fu ming and |
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| Institution: | Key Laboratory of Karst Environment and Geohazard Prevention,Guizhou University,Key Laboratory of Karst Environment and Geohazard Prevention,Guizhou University,Key Laboratory of Karst Environment and Geohazard Prevention,Guizhou University, |
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| Abstract: | By submerged samples into water and indoor slow shear tests, laws of saturated shear strength of carbonaceous mudstone is researched. The results show, the saturated shear strength of carbonaceous mudstone is significantly reduced with the increasing of immersion time. The decreasing rule of cohesion and internal friction angle could be obviously fitted by negative exponential function. Taking a high embankment in Guizhou as an example, Engineering hazards reduced by the characteristics of softening shear strength of carbonaceous mudstone is discussed in this paper. |
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| Keywords: | carbonaceous mudstone softening shear strength engineering application |
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