我国隧道瓦斯事故统计及影响因素分析

来源 :中国安全科学学报 | 被引量 : 0次 | 上传用户:rosy888888
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为了解我国隧道瓦斯事故分布特征、发展趋势及其影响因素,统计1949-2019年我国瓦斯隧道以及相关瓦斯事故现有数据,并运用图表分析法总结隧道瓦斯事故,归纳我国隧道瓦斯事故类型、事故后果、事故发生地域、事故发生时间的分布特征及发展趋势特征,进而采用灰色关联法对发生过不同等级事故的8个典型隧道进行影响因素分析.研究结果表明:我国隧道瓦斯事故分布区域主要集中在西南地区,其他地区相对较少;事故类型以瓦斯爆炸为主,且事故后果最为严重;影响隧道瓦斯事故的主要因素依次为围岩瓦斯含量、地层岩性、地质构造、地下水出露程度、隧道埋深.
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