With the great development of urban gas,the gas transmission and distribution pipelines are gradually growing aging.Major gas explosion accident in Hubei province in 2021 once again pushed the topic of urban gas safety to the forefront of social attention.Due to the iterative technology,growing pipe life expectancy,changing policies and growing expectations of people for gas security,hidden danger investigation of gas pipelines and grade management is urgent.The hidden danger factors affecting the gas transmission and distribution pipelines through the research can be determined,reasonable evaluation methods can be formulated for quantification and different control measures can be taken,which can improve the effect of hidden danger investigation and reduce the occurrence of pipeline accidents.
关键词
燃气输配/管网隐患/分级管理/评价方法
Key words
gas transmission and distribution/hidden danger of pipelines/grade management/evaluation methods
维普
万方数据