Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Seismic Performance Improvement of Concrete Gravity Dam by Post-tensioned Anchors

앵커공법을 적용한 기존 콘크리트 중력식 댐의 내진성능 보강방안

  • Kim, Yongon (Department of Civil, Safety and Environmental Engineering, Hankyong National University) ;
  • Kim, Se-Il (Department of Civil, Safety and Environmental Engineering, Hankyong National University) ;
  • Ok, Seung-Yong (Department of Civil, Safety and Environmental Engineering, Hankyong National University)
  • 김용곤 (한경대학교 토목안전환경공학과) ;
  • 김세일 (한경대학교 토목안전환경공학과) ;
  • 옥승용 (한경대학교 토목안전환경공학과)
  • Received : 2013.07.02
  • Accepted : 2013.09.03
  • Published : 2013.09.30
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Abstract

This paper describes the assessment of seismic performance of the concrete gravity dam seismically reinforced by post-tensioned anchors. In order to evaluate the seismic performance, the response spectrum analyses have been carried out for 7 different configurations of the post-tensioned anchors, and then their performance improvement in the maximum tensile and compressive stresses is compared to each other. The comparative results demonstrate that the layout of the post-tensioned anchors strongly influences the seismic performance of the concrete gravity dam. In this study, the slightly-inclined vertical anchorage system shows the largest improvement on the overall performance of the seismically-excited concrete gravity dam.

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References

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