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Journal of the Korean Society of Hazard Mitigation 2004;4(2):47-52.
Published online June 30, 2004.
유리섬유보강에 의한 조적조 건축물의 내진 성능향상에 관한 실험 연구
조상민, 최성모, 권기혁, 이수철
An Experimental Study on Seismic Capacity Improvement of Masonry Buildings by Glass Fiber Reinforced Methods
Sang-Min Cho, Sung-Mo Choi, Ki-Hyuk Kwon, Su-Cheul Lee
Abstract
Whereas The masonry buildings are safe under gravity loads, most of the masonry buildings in Korea have many structural defects under a lateral load due to an earthquake acceleration. But there is no earthquake resistant design code for the Masonry in Korea. Therefore it may be necessary to be set up an seismic code and be suggested for reinforcing methods for existing masonry buildings. The purpose of this paper is to investigate seismic capacity of reinforced masonry buildings subjected to earthquake load. The typical two models of the masonry building in Korea are selected through a site investigation. On the basis of test results, the fiber reinforcing effect of the two models was considerable. The maximum base shear force and deformation capacity for RM were remarkably increased. It was found that the pier rocking failure was a dominant mode for the RM buildings during a seismic excitation.
요지
조적조 건축물은 작은 인장력과 연성능력으로 인해 지진발생시 심각한 피해상황을 나타내고 있다. 국외의 경우 조적조 건축물에 대한 여러 가지 보강방법이 사용되고 있으나, 국내의 경우 여러 가지 제약에 의하여 유리섬유보강방법을 사용하는 것이 적절하다. 본 논문에서는 유리섬유보강을 통한 지진피해를 입은 조적조 건축물의 내진성능에 관해 평가하였다. 실험결과 유리섬유보강 실험체의 최대 밑면 전단력과 변형이 현저하게 증가하였다. 파괴이후에도 유리섬유보강 실험체는 계속 하중에 저항하는 것으로 나타났다. 유리섬유보강 실험체는 전반적으로 pier 부분에서 Rocking 거동을 보였다.


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