摘要
西藏地区地质灾害强烈发育,制约高压输电线路路径,以川藏铁路拉萨至林芝段供电工程为例研究藏区线路地灾发育特征及处置措施,该研究具有重要的现实意义。通过基础地质调查、要因分析,提炼出冲沟、泥石流、滑坡、崩塌和危岩等地质灾害类型,归纳出地质灾害发育的控制因素具有明显的时间及时空特征:夏季集中、水平成片及竖向呈带。针对以上特征提出线性工程以避让为主,并对无法避让的地质灾害分类推荐了不同的处置方法。
The geological hazards in Tibet have developed intensely,what constraining the path selection of high voltage transmission lines.Taking investigation and research on the high voltage transmission lines of the power supply project from Lhasa to Nyingchi in Sichuan-Tibet Railway as an example to study the geological hazards development characteristics and treatment measures in this area,it is has important practical significance.Through geological surveys and factor analysis,the types of geological hazards such as gullies,debris flows,landslides,collapses,and dangerous rocks were extracted.Summarizes geological hazards in the study area have typical developmental features both in time and space.The geological hazards development in general has the characteristics of summer concentration in time and has the features of nonuniform on horizontal and banding on vertical in space.For all the above features,the linear project is dominated by evasion,and different disposal methods are recommended for geological hazard classification that cannot be avoided.
作者
肖涉恒
周政
韦启珍
XIAO She-heng;ZHOU Zheng;WEI Qi-zhen(China Energy Engineering Group Hunan Electric Power Design Institute Co.,Ltd.,Changsha 410007,China)
出处
《电力勘测设计》
2018年第A01期57-61,85,共6页
Electric Power Survey & Design
关键词
高压输电线路
地质灾害
灾害发育特征
控制因素
处置措施
high voltage transmission lines
geological hazards
hazards development characteristics
control factors
disposal measures
