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继2013年青岛市“11·22”中石化东黄输油管道泄漏爆炸特别重大事故后,今年又相继发生了4月10日兰州自来水苯超标事件、6月30日大连中国石油输油管线爆裂起火事故,暴露出我国城市地下管线的脆弱和严峻的安全形势。目前,我国地下管线总量已超过300万km,城市建成区的地下管线密度已超
Following the 2013 Qingdao City, “11 · 22” Sinopec East Yellow pipeline leak explosion particularly serious accident, this year have occurred April 10 Lanzhou tap water exceeded the standard, June 30, Dalian, China’s oil pipeline burst fire Accidents, exposing the fragile and severe security situation of underground pipelines in our cities. At present, the total underground pipeline in China has exceeded 3 million km. The density of underground pipelines in urban built-up areas has exceeded