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유선상 ( Yoo Seon Sang ),하명호 ( Ha Myung Ho ),고정 ( Go Jung ),박경한 ( Park Kyung Han ),김승진 ( Kim Seung Jin ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
With the recent earthquake measuring 5.4 in Pohang, attention is being raised to the effects of the structures caused by the earthquake. In this study, seismic effect of the tunnel structure was analyzed by the time history analysis method using the measurement results of the nearby structures. Most of the analysis results showed displacement and stress results of one tenth level of the artificial seismic wave using design seismic acceleration, and the actual field survey revealed that the effects of earthquakes were minor.
박상희 ( Park Sang Hee ),윤태국 ( Yoon Tae Gook ),고정 ( Go Jung ),유선상 ( Yoo Seon Sang ) 한국구조물진단유지관리공학회 2017 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.21 No.1
In this study, The correlation between drainage clogging of drain tunnel and leakage of lining was analyzed. As a result of analysis, the position of clogged drainage hole, leakage and efflorescence location are similar. When repairing leakage of lining, the maintenance method should be selected considering the clogging of tunnel drainage.
콘크리트라이닝 두께 부족에 따른 해석 및 보수보강 사례
박상희 ( Park Sang-hee ),장기수 ( Jang Ki-su ),고정 ( Ko Jung ),유선상 ( Yoo Seon-sang ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
It is necessary to establish countermeasures to prevent spalling in the tunnel ceiling concrete lining from being linked to lack of lining thickness, leading to additional spalling. We analyzed the effect of thinning between the ceiling part and the lining thickness on the safety of the tunnel and confirmed the structural behavior of the lining based on the measured values after practically reinforcing the inside and filling the inside of the lining.
터널 성능평가의 유지관리 방안 우선순위 선정에 대한 고찰
하명호 ( Ha Myung-ho ),유선상 ( Yoo Seon-sang ),고정 ( Ko Jung ),경태현 ( Kyung Tae-hyun ),송현종 ( Song Hyun-jong ) 한국구조물진단유지관리공학회 2019 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.23 No.1
In this study, in order to verify the effects of damaged quantities to maintenance prioritization with performance evaluation system, crack conditions which were subdivided as per performance evaluation grade, critical maintenance part and priority part are considered as evaluation factors of prioritization. This result prove that maintenance prioritization has been changed by damaged quantities.