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터널 스캐너를 이용한 터널 유지관리시스템 개발에 관한 연구
윤태국,이송 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 논문집 Vol.12 No.3
과천터널은 서울지하철 4호선 연장구간으로서 사당에서 금정역까지를 말한다. 이러한 장대터널 전 구간에 대해서 새로운 터널유지관리시스템을 적용하기에는 한계가 있어 약 40m 구간의 박스터널 구간을 선정하여 새로운 터널유지관리시스템을 적용하였다. The maintenance and management of each tunnel has been individually performed in depending on service, management agency, and tunnel size. The maintenance and management system for the existing tunnel consists of simple tunnel card and the computerization of basic tunnel data, now. There is not the systemic maintenance and management system for tunnel. Therefore, it has been impossible the systemic maintenance and management for tunnel due to loss of data obtained from each step, such as, plan, design, construction, or maintenance, with time. The objective of this study is to build the database system in combing the results of tunnel scanning with all data obtained from plan, design, construction, or maintenance step.
윤태국 한국복합신소재구조학회 2017 복합신소재구조학회 학술발표회 Vol.2017 No.04
Since the settlement of the underground ground occurred in Seok-Chon Underground Roadway in Seoul from August 2014, the social interest of ground stability has increased. Thus, in this paper, We introduce not only the legal counterplan about the ground settlement but also a result of study on how many new materials can be used in the repairing of ground settlement.
윤태국,이유석,한자중 한국구조물진단유지관리학회 2004 한국구조물진단학회 학술발표회논문집 Vol.- No.-
This study carried out evaluation of ASSM(American Steel Support Method) tunnel lining which was defective in construction work. The site of evaluation was cross section between main road tunnel and connecting tunnel. There were two defective phenomena which were cracks at the crown and right arch and non-lining concrete by 6.5m×0.6m at left arch. So we had done various inspection as G.P.R.(Ground Penetration Radar). test of concrete strength and NDT(Non-Destruction Test). Through the that tests we did the numerical analysis about the ground and finite elements method about concrete lining. By the analyses and deep inspection we concluded the tunnel would be safe from defect and the cracks was non-structural one
윤태국,이유석,한자중 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.2
This study carried out evaluation of ASSM(American Steel Support Method) tunnel lining which was defective in construction work. The site of evaluation was cross section between main road tunnel and connecting tunnel. There were two defective phenomena which were cracks at the crown and right arch and non-lining concrete by 6.5m×0.6m at left arch. So we had done various inspection as G.P.R.(Ground Penetration Radar), test of concrete strength and NDT(Non-Destruction Test). Through the that tests we did the numerical analysis about the ground and finite elements method about concrete lining. By the analyses and deep inspection we concluded the tunnel would be safe from defect and the cracks was non-structural one
윤태국,이송 한국구조물진단유지관리공학회 2006 한국구조물진단유지관리공학회 논문집 Vol.10 No.2
유류탱크 구조물을 대상으로 기 실시한 유류탱크 정밀안전진단 결과를 중심으로 구조적 문제점을 도출하고 이를 근간으로 내구년수를 결정하는 기법에 대하여 제시하고자 하였으며 추가로 구조적 개선사항도 제안하였다. 정밀안전진단 결과 폐기된 유류탱크를 분석하면 시공년도와는 상관없이 시공, 유지관리 등의 정도에 따라 상이한 것으로 분석되며, 탱크형식별로는 매립형의 건전성이 가장 취약한 상태이다. 또한 손상원인별로 분석한 결과 강재 부분에 대해서는 강재의 두께, 용접 불량이 가장 많은 상태이며, 기초의 영향에 따른 부등침하의 원인도 다수 조사되었다. 또한, 유류탱크의 수명은 일반적으로 30년 정도를 예상수명으로 관리하고 있으며 연구 결과 내구년수는 30년으로 추정 할 수 있었다. This study carried out an evaluation of an oil tank that was defective in structure. This paper is divided into two sections which are analysis for the working process and suggestion for improving on the structure of the oil tank. As stated above, it has three major factors as to an improvement, such as the life cycle of structure (especially physical life cycle), and the many factors related to the duration years of the oil tank and analysis result. Based on this study, the improvement of oil tank was established. For example, the ground investigation needs before design and construction of oil tank, and constructing the oil tank by retaining wall type tank is good for maintenance. Also, it is important that the system for drainage is related to maintenance.