二维滑坡滑距预测

张克亮 张亚国 李同录

张克亮, 张亚国, 李同录. 2012: 二维滑坡滑距预测. 工程地质学报, 20(3): 311-317.
引用本文: 张克亮, 张亚国, 李同录. 2012: 二维滑坡滑距预测. 工程地质学报, 20(3): 311-317.
ZHANG Keliang, ZHANG Yaguo, LI Tonglu. 2012: PREDICTION OF LANDSLIDE TRAVEL DISTANCE WITH 2-D NEWTON FLUID DYNAMICS. JOURNAL OF ENGINEERING GEOLOGY, 20(3): 311-317.
Citation: ZHANG Keliang, ZHANG Yaguo, LI Tonglu. 2012: PREDICTION OF LANDSLIDE TRAVEL DISTANCE WITH 2-D NEWTON FLUID DYNAMICS. JOURNAL OF ENGINEERING GEOLOGY, 20(3): 311-317.

二维滑坡滑距预测

基金项目: 

国家自然科学基金项目(40972182)

详细信息
  • 中图分类号: P642.22

PREDICTION OF LANDSLIDE TRAVEL DISTANCE WITH 2-D NEWTON FLUID DYNAMICS

  • 摘要: 本文基于Kyoji Sassa滑坡运动模型的假设,即运动的滑坡满足牛顿流体运动方程,滑体内只存在侧压力,滑坡体积保持不变,能量损失只产生于滑面处的滑动摩擦,推导了二维滑坡运动模拟微分公式。将微分公式转化为差分公式,用Visual Basic语言编写出二维滑坡运动模拟程序。以陕西省延安市延炼原油山黄土滑坡为例,根据滑前地形,通过现场钻探揭示滑面,选择滑带土残剪试验测得的残余摩擦角作为视摩擦角,进行滑动模拟,结果与实际滑坡接近。最后以此滑动模型预测该滑坡南侧不稳定斜坡滑动的距离,对边坡滑动破坏后的危害范围做出预测。本文为滑坡滑距预测提供了一种简单、适用的方法。
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出版历程
  • 收稿日期:  2011-07-20
  • 修回日期:  2011-12-08
  • 刊出日期:  2012-06-25

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