| 反分析法在G216国道滑坡中的应用 |
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| 引用本文： | 武博强,雷曙辉,杨德宏,王勇.反分析法在G216国道滑坡中的应用[J].路基工程,2021,0(3):202-207. |
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| 作者姓名： | 武博强 雷曙辉 杨德宏 王勇 |
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| 作者单位： | 1.中交第一公路勘察设计研究院有限公司，西安 710065 |
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| 摘 要： | 依托吉隆镇内的国道216线K81处滑坡工程的地质条件及水文地质条件，分析了滑坡的主要影响因素及形成机制；建立滑坡条块分析模型，采用反分析法综合确定抗剪强度指标，由此计算滑坡在天然、暴雨及地震工况下的稳定性。结果表明:反分析法确定的综合抗剪强度指标，计算出的边坡稳定性更接近于宏观判断；反分析法在工程地质条件复杂、试验数据较离散的G216国道地区具有普遍适用性。
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| 关 键 词： | 边坡工程 反分析法 综合抗剪强度 敏感性分析 滑坡稳定性 |
| 收稿时间： | 2020-08-05 |
Application of the Reverse Analysis Method in the Landslide of G216 National Highway |
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| Abstract: | Based on the engineering geological conditions and hydrogeological conditions of the K81 landslide of National Highway 216 in Jilong Town, the main influencing factors and forming mechanism of the landslide are analyzed. The block analysis model is established, and the shear strength index is determined synthetically by the reverse analysis method, so as to calculate the stability of the landslide under natural, heavy rain and earthquake working conditions. The results show that the comprehensive shear strength index determined by the reverse analysis method, and the slope stability calculated is closer to the macroscopic judgment. The reverse analysis method has universal applicability in the G216 National Highway area where the engineering geological conditions are complex and the test data are discrete. |
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