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저층 조적건물의 내진성능평가 사례 연구

Case Study of Seismic Evaluation of Low-Rise Masonry Buildings

  • 엄태성 (단국대학교 건축학부) ;
  • 김찬호 (단국대학교 건축학부) ;
  • 이승제 (단국대학교 건축학부) ;
  • 김진우 (한국건설생활환경연구원 내진센터)
  • 투고 : 2021.07.27
  • 심사 : 2021.10.15
  • 발행 : 2022.01.01

초록

In this study, the seismic performance of a two-story unreinforced masonry (URM) building was assessed following the linear and nonlinear static procedures specified in the seismic evaluation guideline of existing buildings. First, the provisions to assess failure modes and shear strengths of URM walls and wall piers were reviewed. Then, a two-story URM building was assessed by the linear static procedure using m-factors. The results showed that the walls and wall piers with aspect ratios he // (i.e., effective height-to-length ratio) > 1.5 were unsafe due to rocking or toe crushing, whereas the walls with he // ≤ 1.5 and governed by bed-joint sliding mainly were safe. Axial stresses and shear forces acted upon individual masonry walls, and wall piers differed depending on whether the openings were modeled. The masonry building was reevaluated according to the nonlinear static procedure for a more refined assessment. Based on the linear and nonlinear assessment results, considerations of seismic evaluation for low-rise masonry buildings were given with a focus on the effects of openings.

키워드

과제정보

이 연구는 행전안전부의 연구비지원(2020-MOIS32-029)에 의해 수행되었음.

참고문헌

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