| 软质岩顺层高边坡滑坡形成机制及整治措施设计研究 |
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| 引用本文： | 杨先亢,程斌.软质岩顺层高边坡滑坡形成机制及整治措施设计研究[J].路基工程,2018,0(2):221-226. |
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| 作者姓名： | 杨先亢 程斌 |
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| 作者单位： | 中国公路工程咨询集团路桥设计研究院分公司, 武汉 430023 |
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| 摘 要： | 由于季节性强降雨，贵州省毕节市某高速公路泥质白云岩顺层高边坡在施工过程中多次产生滑坡病害。针对此工程问题，开展工程地质调绘及钻探等勘察工作，查明滑坡形成机制，通过反演法进行滑动面土体抗剪强度和稳定性分析、计算；结合该滑坡以往处治的经验教训，制定以抗滑桩为主，锚索为辅的软质岩顺层高边坡防护设计方案，工后位移监测结果表明:边坡处于稳定状态。
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| 关 键 词： | 高边坡 软质岩 顺层滑坡 形成机制 稳定性分析 工后位移监测 |
| 收稿时间： | 2019-11-12 |
Design and Study of Formation Mechanism and Control Measures of the Landslide for High Bedding Slope of Soft Rock |
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| Abstract: | Due to the heavy seasonal rainfall, the landslide disease has been caused several times during the construction of an argillaceous dolomite high bedding slope of an expressway in Bijie, Guizhou province. For the engineering problems, the engineering geological annotation and drilling work was carried out to find out the formation mechanism of landslide. The shear strength of the sliding surface soil and stability analysis and calculation was conducted through inversion method. Combining with previous experience and lessons of the landslide treatment, the protective design scheme of soft rock high bedding slope is formulated given priority to anti-slide pile with anchor cable as complementary and displacement monitoring after construction is adopted. The results show that the slope is stable. |
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