清江水布垭库区大堰塘滑坡涌浪分析

›› 2008, Vol. 29 ›› Issue (12): 3266-3270.

清江水布垭库区大堰塘滑坡涌浪分析

殷坤龙，杜娟，汪洋

中国地质大学工程学院，武汉 430074

收稿日期:2008-02-21 出版日期:2008-12-10 发布日期:2013-08-11
作者简介:殷坤龙，男，1963年生，博士，教授，主要从事地质灾害预测预报与风险研究
基金资助:
国家自然科学基金项目（No. 40872176）；三峡库区3期地质灾害防治监测预警工程专业监测崩塌滑坡灾害点涌浪分析与危害评估项目和教育部高等学校博士学科点专项科研基金项目（No.20070491015）。

Analysis of surge triggered by Dayantang landslide in Shuibuya reservoir of Qingjiang river

YIN Kun-long, DU Juan, WANG Yang

Faculty of Engineering, China University of Geosciences, Wuhan 430074, China)

Received:2008-02-21 Online:2008-12-10 Published:2013-08-11

摘要/Abstract

摘要： 2007年6月15日位于水布垭水库巴东县清太平镇的大堰塘滑坡发生滑动，激起高达50 m的巨大涌浪，造成了沿岸的人员伤亡。为了解决大堰塘滑坡引起的涌浪问题，把滑坡引起的涌浪分为体积涌浪和冲击涌浪两部分。根据体积守恒原理及块体水下运动的位移公式求出了初始涌浪的计算公式。把滑坡涌浪衰减过程分为急剧衰减和缓慢衰减两个阶段来考虑，并认为急剧衰减阶段的涌浪的衰减符合指数衰减规律，缓慢衰减阶段符合明槽水流的沿程水头损失规律，对其涌浪的传播和爬坡进行了深入探讨，并与实际调查结果进行了对比分析，该成果对水库库岸滑坡的涌浪传播的研究具有一定的参考意义。

关键词: 大堰塘滑坡, 水布垭水库, 涌浪, 传播, 爬坡高度

Abstract: The Dayantang landslide in Qingtaiping town of Badong county, Shuibuya reservoir, slipped on June 15, 2007. The climbing height of surge reached 50 meters, which caused casualty along the channel. In order to solve surge triggered by the Dayantang landslide, the surge is summarized into two kinds of surges, volume-surge and impact-surge, on the basis of the mechanism of landslide surge, respectively. The volume conversation law and the displacement formula of mass below water lever are used to calculated the initial surge height. The decay process of landslide surge is divided into sharp-decay stage and slow-decay stage; and it is assumed that the sharp-decay stage is a kind of exponential decay, and the slow-decay stage is a kind of water head loss with propagation distance in open channel. The propagation height and climbing height of landslide surge along bank are deeply discussed; and the calculation result is compared with survey of climbing surge. The result has reference significance for the research on propagation of landslide surge in the reservoir.

Key words: Dayantang landslide, Shuibuya reservoir, surge, propagation, climbing height

中图分类号:

TV 139.2+3

殷坤龙，杜娟，汪洋. 清江水布垭库区大堰塘滑坡涌浪分析[J]. , 2008, 29(12): 3266-3270.

YIN Kun-long, DU Juan, WANG Yang. Analysis of surge triggered by Dayantang landslide in Shuibuya reservoir of Qingjiang river[J]. , 2008, 29(12): 3266-3270.

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