基于脆性联系熵的铁路工程桥隧接口故障分析  

Bridge-Tunnel Interface Failure of Railway Engineering Based on Brittleness Connection Entropy

作　　者：王琳[1] 于鹏韬 胡所亭 班新林 许见超 WANG Lin;YU Pengtao;HU Suoting;BAN Xinlin;XU Jianchao(College of Civil Engineering,Lanzhou Jiaotong University,Lanzhou 730070,Gansu,China;Railway Engineering Research Institute,China Academy of Railway Sciences Group Co.,Ltd.,Beijing 100081,China;State Key Laboratory for Track Technology of High-Speed Railway,Beijing 100081,China)

机构地区：[1]兰州交通大学土木工程学院,甘肃兰州730070 [2]中国铁道科学研究院集团有限公司铁道建筑研究所,北京100081 [3]高速铁路轨道技术国家重点实验室,北京100081

出　　处：《重庆交通大学学报（自然科学版）》2023年第4期40-46,61,共8页Journal of Chongqing Jiaotong University(Natural Science)

基　　金：国家自然科学基金项目(71942006);中国铁道科学研究院集团有限公司基金项目(2020YJ218)。

摘　　要：为明确铁路工程桥隧接口系统内部的故障情况,提出一种基于脆性联系熵的铁路工程桥隧接口故障分析方法。依据接口间的相互影响程度,利用脆性联系熵,完成接口系统内部脆性联系的量化;通过构建接口脆性基元分析多接口的动态故障情况,接口的熵增决定接口系统的故障演化方向,这一过程体现了接口在动态故障中的博弈行为;将受故障影响的接口映射为博弈中的参与者,建立铁路工程桥隧接口非合作博弈故障分析模型;以实际工程为应用案例,仿真结果表明:铁路工程桥隧接口系统内部存在连锁性的故障传播情况,在以每6单位时间为周期进行周期性维修时,只需要完成铁路工区内64%的工程接口检修,便可保证铁路工程桥隧段的正常运营状态;通过接口故障分析研究,明确了接口故障发展的过程,为提高铁路工程桥隧接口的安全性和可靠性提供理论支撑。In order to clarify the internal faults of the bridge-tunnel interface system in railway engineering,a fault analysis method of the bridge-tunnel interface system in railway engineering based on the brittleness connection entropy was proposed.According to the degree of mutual influence between interfaces,the brittleness connection entropy was used to complete the quantification of the brittleness connection within the interface system.The dynamic fault situation of multiple interfaces was analyzed by constructing interface brittleness units,and the fault evolution direction of the interface system was determined by the entropy increase of interface.The above process reflected the game behavior of the interface in the dynamic fault.The interfaces affected by the fault were mapped as the participants in the game,and a non-cooperative game fault analysis model for railway engineering bridge-tunnel interfaces was established.Taking the actual project as the application case,the simulation results show that there is a chain of fault propagation within the railroad engineering bridge-tunnel interface system,and only 64%of the engineering interface maintenance within the railroad work area needs to be completed when periodic maintenance is carried out every 6 units of time,which can ensure the normal operation status of the railroad engineering bridge-tunnel section.Through interface fault analysis and research,the process of interface fault development has been clarified,providing theoretical support for improving the safety and reliability of railway engineering bridge-tunnel interfaces.

关 键 词：道路与铁道工程 脆性联系熵 非合作博弈 故障分析 

分 类 号：U216.42[交通运输工程—道路与铁道工程]