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2018 Vol.20, Issue 6 Preview Page

Research Paper

A comparative study on dynamic behavior of high-rise building and low-rise building considering SSI analysis

SSI 해석을 고려한 초고층 및 저층 건물 동적거동 비교 연구

Kwang-Ho You1*
,
Seung-Jin Kim2
유 광호1*
,
김 승진2
1Professor, Dept. of Civil and Environmental Engineering, University of Suwon
2Graduate Student, Dept. of Civil and Environmental Engineering, University of Suwon
1정회원, 수원대학교 건설환경공학과 교수
2학생회원, 수원대학교 건설환경공학과 석사과정
* Corresponding Author
30 November 2018. pp. 973-987
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Abstract

Most of the previous seismic analyses have been carried out by separating the ground and structures, and there is a lack of comparative study on the dynamic behavior of high-rise and low-rise buildings. Therefore, in this study, the sensitivity analysis was performed with selected parameters by using a finite element analysis program in order to grasp the dynamic behavior of high-rise and low-rise buildings. As a result, it was turned out that the horizontal displacement, the interstory drift ratio, and the bending stress of a high-rise building were more affected by a long seismic wave than a low-rise buildings. Also, the weak parts of a high-rise and low-rise building were more affected by type of seismic wave than the ground conditions. Therefore, it is inferred that it will be helpful for seismic designs to consider the influence of ground conditions and seismic wave type on buildings.

Keywords
High-rise building
Interstory drift ratio
Soil-structure interaction
Dynamic behavior

대부분의 기존 내진해석은 지반과 구조물을 각각 구분하여 수행되었고, 초고층 건물과 저층 건물에 대한 동적거동 비교 연구가 부족한 실정이다. 따라서 본 연구에서는 초고층 건물과 저층 건물의 동적거동을 파악하기 위하여 유한요소해석 프로그램을 이용하여 선정된 파라미터별로 민감도 분석을 실시하였다. 연구 결과, 초고층 건물의 수평변위, 층간변위비, 휨응력은 지반조건이 연약할수록, 저층 건물보다 장주기 지진파의 영향을 더 받는 것으로 나타났다. 또한 초고층과 저층 건물의 취약부는 지반조건보다는 지진파의 종류의 영향이 더 큰 것으로 나타났다. 따라서 지반조건 및 지진파 종류가 건물에 미치는 영향을 참고하면 건물의 내진설계에 도움이 될 것으로 판단된다.

키워드
초고층 건물
층간변위비
지반-구조물 상호작용
동적거동
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Information
  • Publisher :Korean Tunneling and Underground Space Association
  • Publisher(Ko) :한국터널지하공간학회
  • Journal Title :Journal of Korean Tunnelling and Underground Space Association
  • Journal Title(Ko) :한국터널지하공간학회 논문집
  • Volume : 20
  • No :6
  • Pages :973-987
  • Received Date : 2018-08-22
  • Revised Date : 2018-10-11
  • Accepted Date : 2018-10-17
  • DOI :https://doi.org/10.9711/KTAJ.2018.20.6.973
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