| 基于室内试验的降雨型滑坡机理研究 |
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| 引用本文： | 苏 燕,邱俊炳,兰斯梅,杜跃亭.基于室内试验的降雨型滑坡机理研究[J].福州大学学报(自然科学版),2015,43(1):118-122. |
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| 作者姓名： | 苏 燕 邱俊炳 兰斯梅 杜跃亭 |
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| 作者单位： | 1. 福州大学土木工程学院,福建福州,350116
2. 河南省南阳市水利建筑勘测设计院,河南南阳,473000 |
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| 基金项目： | 福建省交通科技发展项目(No.201052) |
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| 摘 要： | 结合福建山区典型降雨型滑坡特点,建立室内人工降雨滑坡试验模型,从降雨强度入手,模拟降雨型滑坡的发生过程,探求降雨强度对降雨型滑坡的影响机理.利用有限元法建立考虑滑坡因子的数值模型,进行渗流和稳定性分析,得到降雨强度与滑坡启动时间的关系公式,数值仿真结果与试验结果基本一致,所得结果有益于降雨型滑坡机制的深入研究.
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| 关 键 词： | 降雨型滑坡 室内试验 有限元法 福建山区 降雨强度 |
Research on mechanism in rainfall landslides based on laboratory test |
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| SU Yan,QIU Junbing,LAN Simei and DU Yueting.Research on mechanism in rainfall landslides based on laboratory test[J].Journal of Fuzhou University(Natural Science Edition),2015,43(1):118-122. |
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| Authors: | SU Yan QIU Junbing LAN Simei and DU Yueting |
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| Institution: | College of Civil Engineering,Fuzhou University,Fuzhou,College of Civil Engineering,Fuzhou University,Fuzhou,College of Civil Engineering,Fuzhou University,Fuzhou,Nanyang Water Conservancy Survey Design Institute |
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| Abstract: | According to the landslide characteristics occurring in Fujian province mountain area, laboratory artificial rainfall landslide test model was built, simulated occurrence process of rainfall landslides in different rainfall intensities ,explored the effects of rainfall intensity on landslides mechanism. At last, the relationship between rainfall intensity and sliding time was calculated by using finite element method. The computation result was in good agreement with experiment. The results are valuable to further probing into the rainfall landslides mechanism. |
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| Keywords: | rainfall landslide model test finite element method |
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