北京地铁既有结构渗漏风险防控体系研究

Risk Prevention and Control System of Existing Structure Leakage in Beijing Subway

针对北京市地下水位上升导致的地铁结构渗漏问题,如何科学合理地对北京地铁渗漏进行治理及防控成为当前研究的关键。从既有地铁结构渗漏风险识别、风险评价和风险应对策略3方面,对北京地铁既有结构渗漏风险防控技术体系进行系统研究与分析。首先,从风险识别入手,对引起渗漏病害的因素进行全方位分析;然后,在风险识别研究的基础上进行风险评价,将地铁渗漏病害按照定性和定量的方法对区间和车站结构进行分类分级,给出渗漏等级A、B、C和D,并提出应急及常规治漏措施;最后,提出相应的渗漏风险应对策略,包括应急处置和一般渗漏治理。研究内容以期为类似地铁结构病害治理体系提供理论参考和技术支撑。

Addressing the critical issue of subway structure leakage in Beijing due to rising groundwater levels,this study focuses on the development of an effective management framework.The work presents a comprehensive prevention and control technology system tailored for the Beijing subway,encompassing risk identification,assessment,and mitigation strategies.The investigation begins with pinpointing the diverse factors that contribute to leakage and proceeds to evaluate the risks through both qualitative and quantitative approaches,which apply to different segments and stations within the subway system.Risk levels ranging from A through D have been devised to facilitate targeted emergency and routine leakage management protocols.The resultant strategies accommodate both urgent responses and standard leakage rectification processes.The findings of this research aim to serve as a theoretical and technical groundwork for the management of similar urban subway structures.