| 冻融循环作用下路基边坡稳定性变化研究 |
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| 引用本文： | 李航,于玲. 冻融循环作用下路基边坡稳定性变化研究[J]. 路基工程, 2011, 0(5): 26-28,32 |
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| 作者姓名： | 李航 于玲 |
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| 作者单位： | 沈阳建筑大学土木工程学院，沈阳 110168 |
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| 摘 要： | 为研究冻融循环作用对路基边坡稳定性的影响，建立了路基变形场及应力场的三维数值计算模型，并应用强度折减法求解路基边坡在冻融循环作用后的安全系数，分析了冻融作用范围内路基应力场和变形场的分布规律，得出冻融循环作用次数与路基边坡安全系数的关系。结果表明:冻融循环会改变路基边坡土体的力学性质，从而影响路基边坡的稳定性。路基边坡受到的冻融循环作用是引起路基病害的直接原因，反复的冻融循环作用将引起路基边坡稳定性的降低。
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| 关 键 词： | 冻融循环 路基边坡 边坡稳定性 强度折减法 |
| 收稿时间： | 2019-11-10 |
Study on Subgrade Slope Stability under the Effect of Freeze-Thaw Cycle |
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| Li Hang,YU Ling. Study on Subgrade Slope Stability under the Effect of Freeze-Thaw Cycle[J]. , 2011, 0(5): 26-28,32 |
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| Authors: | Li Hang YU Ling |
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| Affiliation: | Li Hang,YU Ling(School of Civil Engineering,Shenyang Architectural University,Shenyang 110168,China) |
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| Abstract: | In order to study the effect of freeze-thaw cycle on subgrade slope stability,three-dimensional numerical model for subgrade deformation field and stress field is established and the safety factor of subgrade slope under the effect of freeze-thaw cycle is determined using strength reduction method in this paper.Then the distribution law of subgrade deformation field and stress field within the range of freeze-thaw action has been analyzed and the relationship between the number of freeze-thaw cycles and sub... |
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| Keywords: | freeze-thaw cycle subgrade slope slope stability strength reduction method |
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