|本期目录/Table of Contents|

[1]肖云.三峡库区高切坡破坏模式分析及防护对策[J].武汉工程大学学报,2013,(11):1-5.[doi:103969/jissn16742869201311001]
　XIAO Yun.Failure models and protective measures of highly incised slopes in area of three gorges reservoir[J].Journal of Wuhan Institute of Technology,2013,(11):1-5.[doi:103969/jissn16742869201311001]
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三峡库区高切坡破坏模式分析及防护对策(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2013年11
页码:
1-5
栏目:
资源与土木工程
出版日期:
2013-11-30

文章信息/Info

Title:
Failure models and protective measures of highly incised slopes in area of three gorges reservoir
文章编号:
16742869(2013)11000105
作者:
肖云
武汉工程大学环境与城市建设学院，湖北 武汉 430074
Author(s):
XIAO Yun
School of Environment and Civil Engineering,Wuhan Institute of Technology, Wuhan 430074,China
关键词:
高切坡; 破坏模式; 稳定性分析; 防护措
Keywords:
high cutting slope;  failure model;  stability analysis;  protective measures
分类号:
P642
DOI:
103969/jissn16742869201311001
文献标志码:
A
摘要:
受三峡水库蓄水影响，大量基础设施工程重建而形成了大量的高切坡，暴露出日益增多的地质灾害隐患.以湖北省宜昌市某高切坡为例，采用现场地质调查、工程经验类比和力学计算等手段，结合高切坡的地形地貌、地质结构及构造、地层岩性、岩体风化等特征，分析了该高切坡可能的破坏模式主要有整体滑移、局部剥落掉块、块体滑移、水砂流冲蚀、风化球滚落等.稳定性计算结果显示，桩号K0+000～0+040、K0+214～0+280、K0+420～0+642段，在暴雨工况下该段坡面稳定性较差，不满足规范要求；桩号K0＋040～K0＋214、K0+280～0+420段平面滑移计算安全系数小于1.35，安全储备不够.针对分析结果分段采用格构、锚喷治理措施，同时辅以排水、护脚墙及植被恢复等，形成安全、经济、绿色边坡.
Abstract:
Affected by the Three Gorges Project, reconstruction of a large number of infrastructure projects resulted in a large number of high cutting slopes，which exposed the growing risks of geological disasters. We took a high slope in Yichang resident as a case, combing with its characteristics of high cut slope topography and geological structure and lithology, rock weathering,and used survey of field geological, analogy of engineering experience and mechanical calculations for the paper study. The possible overall slippage, partial peeling, block slipping,water sand erosion and weathered ball rolling are the possible failure modes of high cut slope.And the calculations shows the poor stability in Section K0+000 to 0+040,K0+214 to 0+280 and K0+420 to 0+642 in heavy rain conditions, which does not meet the regulatory；the safety factor of plane slipping calculation is less than 1.35 in Section K0+040 to K0+214 and K0+280 to 0+420 with the low security margin. According to the above results,segmented protective measures of trellis and shotcrete are taken,supplemented by drainage, retaining walls and vegetation restoration to form a safe,economical and green slope.

参考文献/References:

［1］ZHANG Fan\|yu,LIU Gao,CHEN Wen\|wu,et al.Human\|induced landslide on a high cut slope: a case of repeated failures due to multi\|excavation［J］.Journal of Rock Mechanics and Geotechnical Engineering,2012,4(4):367\|274.［2］祝介旺,伍法权,苏天明,等.三峡库区万州段高切坡破坏模式和防护措施研究［J］.工程地质学报,2007,15(1)：8\|15.ZHU Jie\|wang, WU Fa\|quan, SU Tian\|ming, et al. Failure modes and stabilization methods of highly inclsed slopes in Wanzhou, mountaionus reglon of three gorges reservoir［J］.Journal of Engineering Geology, 2007,15(1)：8\|15.(in Chinese)［3］罗元华,伍法权.三峡水库区岩土体高切坡的基本特点与防灾方法［J］. 中国地质灾害与防治学报,2004,15(z1):115\|118.LUO Yuan\|hua,WU Fa\|quan.The basic characteristics and control measures of high cutting\|slope at the Three Gorges Reservoir［J］. The Chinese Journal of Geological Hazard and Control, 2004,15(z1):115\|118.(in Chinese)［4］中华人民共和国建设部GB50330\|2002 建筑边坡工程技术规范［S］.北京：中国建筑工业出版社，2002.［5］祝介旺,和海芳,柏松,等.三峡库区高切坡致灾因素及防护对策——以重庆市万州区为例［J］.中国地质灾害与防治学报,2008,19（2）：7\|11.ZHU Jie\|wang,HE Hai\|fang,BAI Song,et al. Factors inducing hazard and protective measures on high cutting slopes in the three gorges reservoir area——an example of wanzhou district of chongqing City［J］.The Chinese Journal of Geological Hazard and Control, 2008,19（2）：7\|11.(in Chinese)

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备注/Memo

备注/Memo:
收稿日期：20131104基金项目：武汉工程大学校青年基金资助项目（Q201205）；湖北省自然科学基金重点项目（2009CDA002）作者简介：肖云（1979\|），女，湖北武汉人，博士研究生.研究方向：防灾减灾工程.
更新日期/Last Update: 2013-12-03