摘要
为了对岩溶区埋地城镇燃气管道灾害进行系统性结构分析,结合灾害系统理论,将岩溶区埋地城镇燃气管道灾害系统解构为“孕灾环境、灾害因子、承灾体、灾情”四大子系统,通过厘清灾害系统的结构性特征,以期为岩溶区埋地城镇燃气管道的灾害防治提供理论依据。研究表明:孕灾环境是灾害因子的孕育场所,与人员、管道、环境的不安全状态以及管理漏洞密切相关;灾害因子是危害承灾体并诱发灾情的直接能量源,主要包含火灾热辐射和爆炸冲击波超压,二者可单独出现,也可在链式传导效应下诱发或加剧次生灾害;承灾体是灾害因子的直接危害对象,主要包含“社会-经济-自然”承灾体,三者密切关联、交互作用;灾情是灾害危害程度的度量,与承灾体相对应,取决于灾害因子对人员伤亡、经济损失和环境破坏的影响程度。
In order to conduct a systematic structural analysis of buried urban gas pipeline in karst areas,combined with disaster system theory,the disaster system of gas pipelines in buried urban gas pipeline in karst areas is deconstructed into four subsystems,including disaster inducing environment,disaster factors,disaster bearing body and disaster situation.By clarifying the structural characteristics of the disaster system,this study aims to provide theoretical basis for disaster prevention and control of gas pipelines in buried urban gas pipeline in karst areas.Research shows that the disaster inducing environment is the breeding ground for disaster factor,and its activity is closely related to the unsafe state of personnel,pipelines,and the environment,as well as management vulnerabilities.The disaster factor is the direct energy source that harms the disaster bearing body and leads to the disaster situation,mainly including fire thermal radiation and explosion shock wave overpressure.The two can appear alone,or induce and aggravate secondary disasters under chain conduction effects.The disaster bearing body is the direct target of disaster factors,mainly including society,economy and nature disaster bearing body.They are closely related and interactive.The disaster situation is a measure of the degree of disaster harm.It corresponds to the disaster bearing body,and depends on the influence degree of disaster factors on personnel casualties,economic losses,and environmental damage.
作者
李乔楚
林雨霏
LI Qiaochu;LIN Yufei(School of Economics and Management,Southwest Petroleum University,Chengdu 610500,China;School of Civil Engineering and Geomatics,Southwest Petroleum University,Chengdu 610500,China)
出处
《焊管》
2024年第8期30-35,共6页
Welded Pipe and Tube
基金
国家社会科学基金重大项目“能源革命驱动下的天然气产业高质量发展路径研究”(项目编号22&ZD105)
国家社会科学基金西部项目“‘双碳’目标下我国城市群能源系统碳达峰预测及差异化减排路径研究”(项目编号22XGL019)。
关键词
燃气管道
岩溶区
灾害系统
管道失效泄漏
gas pipelines
karst areas
disaster systems
pipeline failure and leakage
