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Author:

王一峰 (王一峰.) | 龚秋明 (龚秋明.) (Scholars:龚秋明)

Abstract:

以金沙江某水电站上游右岸倾倒型滑坡为例,通过现场地质调查与分析,认为滑坡在倾倒变形破坏后高速下滑,对坡体下部滑床产生刮蹭并撞击对岸坡体,造成堰塞堵江。采用离散单元方法对滑坡形成的变形破坏过程进行数值模拟。研究结果表明:自重作用及岩体风化引起斜坡应力应变变化,岩体变形导致倾倒失稳,继而引发滑坡。滑坡过程分为倾覆-蠕变阶段、中下部变形错动阶段、中上部倾倒折断阶段、滑移失稳阶段。

Keyword:

堵江 离散元 滑坡 倾倒变形

Author Community:

  • [ 1 ] 北京工业大学建筑工程学院

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Source :

Year: 2020

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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