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广东清(远)-连(州)公路边坡变形破坏类型分析
引用本文:成永刚. 广东清(远)-连(州)公路边坡变形破坏类型分析[J]. 中国地质灾害与防治学报, 2006, 17(4): 46-51
作者姓名:成永刚
作者单位:广东省公路勘察规划设计院,广东,广州,510507
摘    要:清(远)至连(州)公路是广东省粤西北山区第一条一级高等级公路。地质条件复杂,构造发育,路堑边坡高陡,建成通车后时有边坡变形破坏发生,对公路的正常营运造成了严重威胁。作者通过大量的现场调查研究,在地层岩性、地质构造、水的作用以及人为作用等因素基础上,将清-连公路边坡主要变形破坏类型划分为以下6类:坡面冲刷、崩塌、落石、坍塌、滑坡、表层溜坍、剥落。其中前4种灾害规模大、数量多,对公路运输威胁较大。并分别对不同边坡变形破坏的特征机理及其发展趋势进行了深入的分析研究,有针对性地提出了清-连公路边坡变形破坏防治的基本原则和减灾防灾策略,希望能对清-连一级公路顺利的实施升级改造有所帮助,以减轻或防止灾害造成的损失,确保公路的畅通和行车安全。

关 键 词:清(远)-连(州)公路  边坡灾害  崩塌  坍塌  滑坡  坡面冲刷  溜坍  剥落  防治策略
文章编号:1003-8035(2006)04-0046-06
收稿时间:2006-01-18
修稿时间:2006-03-20

Types of cutslope failure along Qingyuan-Lianzhou Highway, Guangdong Province
CHENG Yong-gang. Types of cutslope failure along Qingyuan-Lianzhou Highway, Guangdong Province[J]. The Chinese Journal of Geological Hazard and Control, 2006, 17(4): 46-51
Authors:CHENG Yong-gang
Affiliation:Guangdong Highway Design Institute, Guangzhou 510507 , China
Abstract:Qingyuan-Lianzhou Highway is the first high grade and primary highway in the northwest of Guangdong Province,the cutting slope is high and steep,geologic condition is complex and geologic structure is violent.Therefore,the hazards occurred frequently threatening traffic safety after construction.Through lots of field investigation and study,on the basis of the rock character,geologic structure,water action and human elements etc,the slope deformation and failure types of Qinglian Highway are divided into six types: slope surface erosion,landslip,rockfall,collapse,landslide,collapse and exfoliate,and the former four slope hazards are more large and dangerous.Then the author studies on the types,features and developing tendency of slope hazards of Qinglian Highway,analyzes the relation between the slope hazard and road engineering,and hope this paper can help the construction of Qinglian Highway transform action.Meanwhile,the basic principles and methods to prevent and mitigate disasters of Qinglian highway are to guarantee the express highway operation and safe.
Keywords:Qingyuan-Lianzhou Highway  slope hazard  landslip  collapse  slope surface erosion  surface exfoliate  countermeasures
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