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A Study on the Problem of Application of Seismic Performance Reinforcement Method for Urban Railways Case of Fiber and Rigid Reinforcement

섬유 및 강성 보강재료 기반 도시철도 내진성능 보강공법적용의 문제점 연구

  • Ha, Kyoung Hwa (Railway Business Headquarter, DONG IL Engineering Consultants co., LTD) ;
  • Park, Jae Yil (Railway Business Headquarter, DONG IL Engineering Consultants co., LTD) ;
  • Kang, Hwi Jin (The Graduate School of Construction Engineering, Chung-Ang Univ.)
  • 하경화 (동일기술공사 철도사업본부) ;
  • 박재일 (동일기술공사 철도사업본부) ;
  • 강휘진 (중앙대학교 건설대학원)
  • Received : 2019.12.12
  • Accepted : 2020.02.22
  • Published : 2020.03.31

Abstract

In 2005, Urban railway seismic design was introduced in Rep. Of Korea, and many studies on seismic performance evaluation and reinforcement methods were conducted. In accordance with the Enforcement Decree of the Earthquake Disaster Countermeasures Act issued in March 2009, during April 2010 to October 2013, some of local governments established detailed evaluation and reinforcement measures for seismic performance of the urban railway underground structure. Afterwards, the seismic performance reinforcement of the existing urban railway structures was conducted for the sections that a long period of used until the end of 2018, and the reinforcement works are carried out by various methods using the previously studied methods. However, various reinforcing materials and construction methods using have been studied, but the classification research on the construction methods currently applied to reinforcement construction of urban railways is insufficient. The purpose of study is to analysis the cases currently applied to seismic reinforcement construction and to show the characteristics of each construction method, the reasons for its application and problems.

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