유연한 벽면을 가진 사각형 물탱크의 설계지진력 산정
(주)코리아스칼라
- 최초 등록일
- 2023.11.06
- 최종 저작일
- 2023.11
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서지정보
ㆍ발행기관 : 한국지진공학회
ㆍ수록지정보 : Jorunal of the Earthquake Engineering Society of Korea / 27권 / 6호
ㆍ저자명 : 김민우, 유은종, 박지훈
목차
1. 서 론
2. 기존 연구
2.1 ACI 350.3-20
2.2 Eurocode 8 – Part 4
2.3 Hashemi et al.[9]
3. 예제 물탱크의 모델링 및 주기 산정
3.1 ACI 350.3-20
3.2 Hashemi et al.[9]
4. 설계지진력 산정
5. 결 론
감사의 글
영어 초록
The equivalent static load for non-structural elements has a limitation in that the sloshing effect and the interaction between the fluid and the water tank cannot be considered. In this study, the equations to evaluate the impulse and convective components in the design codes and previous research were compared with the shaking table test results of a rectangular water tank with flexible wall panels. The conclusions of this study can be summarized as follows: (1) It was observed that the natural periods of the impulsive component according to ACI 350.3 were longer than system identification results. Thus, ACI 350.3 may underestimate the earthquake load in the case of water tanks with flexible walls. (2) In the case of water tanks with flexible walls, the side walls deform due to bending of the front and back walls. When such three-dimensional fluid-structure interaction was included, the natural period of the impulsive component became similar to the experimental results. (3) When a detailed finite element (FE) model of the water tank was unavailable, the assumption could be used, resulting in a reasonably conservative design earthquake load.
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