Abstract
Metro protection is the task of evaluating, detecting, and controlling the potential threats presented by external projects to metro structures. To solve the problems encountered in metro protection work, including the isolation of models, difficulties in information extraction, and lack of data processing methods, this study introduced a building information model/modeling (BIM) technology and proposed a metro protection information model (the MPIM) based on the Industry Foundation Classes (IFC) international data standard and its expansion mechanism. According to the information exchange requirements for metro protection, the MPIM defines new customized IFC entities, property sets, and enumeration types to express the models in the metro protection domain. Then the conversion methods of the MPIM and other model formats and the information extraction and application technologies are studied. A metro protection system was developed to implement the MPIM-based model integration and provide assist in preliminary evaluation of external projects via information-rich the MPIM. A trial of the system from Guangzhou Metro’s Modiesha Station to Xingangdong Station indicated that the utilization of the MPIM in metro protection workflow could improve working efficiency and save time obviously; management staff claimed that the application of the system saved more than 40% of the time for project evaluation.
Highlights
Metros are convenient transportation links that positively influence and guide urban planning along the line [1]
To solve the problems encountered in metro protection work, including the isolation of models, difficulties in information extraction, and lack of data processing methods, this study introduced a building information model/modeling (BIM) technology and proposed a metro protection information model based on the Industry Foundation Classes (IFC) international data standard and its expansion mechanism
This study proposes an IFC-based metro protection information model (MPIM) to address the problem of information isolation in metro protection
Summary
Metros are convenient transportation links that positively influence and guide urban planning along the line [1]. Large numbers of new construction projects launched around metro stations are a common phenomenon. Builders of surrounding external projects who conduct relevant civil construction activities need to assess their impact on metro structures, ensure the structural safety of stations and rail transit areas, detect potential safety hazards promptly, and control these hazards. Metro protection is an umbrella term that involves investigations of hidden risks, supervision, daily patrol, external project evaluation, and preparation of various emergency response plans for different situations. Metro protection determines the influence level of external projects on existing metro structures in conjunction with relevant regulations. Widespread “information segregation” among models causes many difficulties in the metro protection work
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
