Distribution characteristics and risk assessment of water damage disaster in Linqu section of Tai-Qing-Wei natural gas pipeline
ZHANG Chengxin1, WEI Longfei1, TANG Yao2, WANG Yanchao1, DAI Xiaoguang1, REN Yongjian1
1. Geology Institute of China Chemical and Mine Bureau, Beijing 100101, China; 2. Sichuan Academy of Safety Science and Technology, Sichuan Chengdu 610045, China
Abstract：Based on the investigation and study on the development characteristics of geological disasters in Linqu section of Tai-Qing-Wei natural gas pipeline, the authors in this paper have identified the major type of geological disasters in Linqu section, which is water damage disaster. And it can be divided into three types: slope surface water damage, channel water damage and platform field water damage. During the field investigation of geological disasters, 15 geological disasters were found along the pipeline in Linqu section, including 6 water damage points of slope surface, 4 water damage points of channel and 5 water damage points of platform field. The risk of geological disasters was evaluated by the qualitative and semi-quantitative methods. The results show that there is one section with medium high risk level, accounting for 6.66% and four sections with medium risk level, accounting for 26.67%, ten sections with medium low risk level, accounting for 66.67%. According to the landform, development density and risk level of geological disasters along the pipeline, the medium and low risk areas are 61 km and 10 km respectively, and along the pipeline, there are mainly medium risk areas. According to the different types and risk levels of geological disasters, the corresponding prevention and reduction measures are put forward, which provides an effective technical basis for the safe operation of the pipeline and risk management decision-making about it.
张成信, 魏龙飞, 唐尧, 王艳超, 代晓光, 任永健. 泰青威天然气管道临朐段水毁灾害分布特征与风险评价[J]. 中国地质调查, 2021, 8(5): 108-114.
ZHANG Chengxin, WEI Longfei, TANG Yao, WANG Yanchao, DAI Xiaoguang, REN Yongjian. Distribution characteristics and risk assessment of water damage disaster in Linqu section of Tai-Qing-Wei natural gas pipeline. , 2021, 8(5): 108-114.
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2021, Vol. 8 
