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2024 Vol.37, Issue 1 Preview Page

Research Paper

Evaluation of Structural Performance of Multi-tiered Roof Korean Traditional Timber Building Daeungbojeon Hall of Magoksa Temple Under Vertical Load

중층 전통 목조건축 마곡사 대웅보전의 수직하중에 대한 구조성능 평가

Yeong-Min Kim1*
김 영민1*
1Professor, College of Architecture, Myongji University, Yongin, 17058, Korea
1명지대학교 건축대학 건축학부 교수
*Corresponding Author
29 February 2024. pp. 17-24
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Abstract

This paper assesses the structural performance of the Daeungbojeon Hall of Magoksa in Gongju, a representative multi-tiered roof traditional timber structure from the Joseon Dynasty, under vertical loads. Employing midas Gen, a structural analysis software, we developed a three-dimensional analysis model closely resembling the actual structure. Static analysis was employed to evaluate the safety and serviceability of the main vertical and horizontal members under vertical loads. While all members met the safety and serviceability criteria, structural weaknesses were identified in the Daelyang of the lower floor, particularly as a transitional beam, necessitating improvement. For the evaluation of dynamic behavior characteristics, eigenvalue analysis was conducted, assuming a relative rotational stiffness of 5% at the main joints. The natural period was determined to be 1.105 seconds, placing it within the category of a Hanok of similar size. The first mode manifested as a translational movement in the forward and backward direction of the building.

Keywords
Magoksa Daeungbojeon
structural analysis
performance evaluation
eigenvalue analysis

본 논문은 조선시대의 대표적인 중층 목구조인 공주 마곡사 대웅보전에 대하여 수직하중에 대한 구조성능을 평가하였다. 구조해석 소프트웨어인 midas Gen으로 실물과 근접하게 해석모델을 3차원으로 구축하였다. 정적해석으로 수직하중에 대한 주요 수직 및 수평부재의 안전성과 사용성을 평가하였다. 모든 부재가 안전성과 사용성 기준을 만족하였으나, 하층 대량은 전이보 역할로 구조적 취약점이 나타나 개선의 필요가 있다. 동적거동특성 평가를 위한 고유치해석시 주요 접합부의 상대회전강성은 5%로 가정하였다. 고유주기는 1.105초로 비슷한 규모의 한옥 범주에 속하고 있으며, 1차 모드는 건물 전후방향의 병진운동으로 나타났다.

키워드
마곡사 대웅보전
구조해석
성능평가
고유치해석
References
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2
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Information
  • Publisher :Computational Structural Engineering Institute of Korea
  • Publisher(Ko) :한국전산구조공학회
  • Journal Title :Journal of the Computational Structural Engineering Institute of Korea
  • Journal Title(Ko) :한국전산구조공학회 논문집
  • Volume : 37
  • No :1
  • Pages :17-24
  • Received Date : 2023-10-10
  • Revised Date : 2023-11-18
  • Accepted Date : 2023-11-21
  • DOI :https://doi.org/10.7734/COSEIK.2024.37.1.17
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