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[학술저널]

완화된 단부 배근상세를 갖는 특수전단벽 구조시스템의 내진성능평가

  • 학술저널

완화된 단부 배근상세를 갖는 특수전단벽 구조시스템의 내진성능평가

Seismic Performance of Special Shear Wall Structural System with Effectively Reduced Reinforcement Detail

천영수(LH공사) 이기학(세종대학교) 이효원(전남대학교) 박영은(전남대학교) 송진규(전남대학교)

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초록

구조형식별로 구조물의 안정성 확보를 위해 KBC2009에 새로이 도입된 높이제한에 따라, 내진설계범주D에 해당되는 60 m 이상의 RC 구조물을 계획할 경우 특수전단벽을 의무적으로 사용해야 한다. 그러나 특수전단벽의 엄격한 횡보강 배근상세는 시공성 및 경제성에 부정적 영향을 미칠 것으로 예상된다. 그래서 이 연구에서는 현 규준에 따른 특수전단벽보다 완화된 배근 상세를 갖는 특수전단벽을 제안하고, 특수전단벽과의 성능 비교를 위하여 각각 두 개의 실험체를 제작하고 횡방향 반복 하중실험을 실시하였다. 또한 그 실험 결과를 반영한 보통전단벽, 특수전단벽, 완화된 특수전단벽 구조시스템의 해석모델을 설계하여 FEMA P695에 따른 방법론으로 내진성능평가를 실시하였다.

The current seismic design code prescribes that a structural wall should be designed as a special shear wall when the building height is more than 60 m and its seismic design category is classified as D. However, the use of a special shear wall has a negative effect on constructability and economic efficiency. In the present study, the seismic performance of a special shear wall and a special shear wall with relaxed reinforcement detail was evaluated through a cyclic reversal loading test. The specimens were constructed to measure the results of the experimental variable regarding the reinforcement details of the special boundary element. Next, the seismic performances of a special shear wall structural system and that of a special shear wall structural system with relaxed reinforcement detail was evaluated by methods proposed in the FEMA P695. The cyclic reversal loading test results of this study showed that the performance of the shear wall with relaxed reinforcement detail was almost similar to the performance of a special shear wall and has the performance which requested from standard. The results of the seismic evaluation showed that all special shear walls with relaxed reinforcement detail are satisfied with the design code and seismic performance.

목차

ABSTRACT
1. 서론
2. 실험계획
3. 실험 결과 및 분석
4. FEMA P695에 따른 내진성능평가
5. 결론
References
요약

참고문헌(8)

  • 1.

    ACI , 2001 , Innovation Task Group 1 and Collaborators, Acceptance Criteria for Moment Frames Based on Structural Testing (ACI ITG, T1.1-01) and Commentary (ACI ITG, T1.1R-01) , American Concrete Institute

  • 2.

    Architectural Institute of Koera , 2009 , Korean Building Code and Commentary : 461 ~ 462

  • 3.

    ASCE , 2006 , Seismic Rehabilitation of Existing Buildings, ASCE Standard ASCE, SEI 41-06 , American Society of Civil Engineers

  • 4.

    Computers and Structures, Inc. , 2006 , PERFORM Components and Elements for PERFORM 3D and PERFORM-Collapse ver 4 , CSI

  • 5.

    FEMA , 2009 , Quantification of Building Seismic Performance Factors

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