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Nonlinear Seismic Analysis Method of Reinforced Concrete Buildings Including Their Pile Foundations

말뚝기초를 포함한 철근콘크리트 건물의 비선형 지진해석법에 관한 연구

  • 이강석 (미국 National Institute of Standards and Technology) ;
  • 이원호 (광운대학교 건축공학과) ;
  • 류해상 (미국 National Institute of Standards and Technology)
  • Published : 2003.04.01

Abstract

At present, the information on the foundation-structure interaction is lacking. As a result, the seismic performance evaluation of buildings seldom considers the effect of the foundation performance on the building responses. Recent earthquakes such as the 1993 Hokkaido Nansei-oki Earthquake(M=7.8), the 1994 Northridge Earthquake(M=6.7), the 1995 Hyogoken-Nambu Earthquake(M=7.2), and the 1999 Chi-Chi Earthquake (M=7.6) have shown that building damages are significantly affected by the degree of damage sustained by the building foundation and the interaction between the building and the foundation. This paper presents a nonlinear seismic analysis method for the seismic performance evaluation of reinforced concrete buildings which considers the pile foundation-structure interaction. The proposed method is applied to an actual building which was damaged during the 1993 Hokkaido Nansei-oki Earthquake. The result reveal that the method is able to predict the performance of the building.

Keywords

nonlinear seismic analysis;seismic performance evaluation;pile foundation-structure interaction;reinforced concrete buildings;earthquake damage;pile-group effect

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