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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.77 No.3
- 발행연도
- 2021.1
- 수록면
- 369 - 381 (13page)
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초록· 키워드
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The seismic responses of elevated tanks considering liquid-structure interaction are presented under horizontal earthquake. The scaled model tank is fabricated to study the dynamic responses of anchored tank and newly designed uplift tank with replaced dampers. The natural frequencies for structural mode are obtained by modal analysis. The dynamic responses of tanks are completed by finite element method, which are compared with the results from experiment. The displacement parallel and perpendicular to the excitation direction are both gained as well as structural acceleration. The strain of tank walls and the axial strain of columns are also obtained afterwards. The seismic responses of liquid storage tank can be calculated by the finite element model effectively and the results match well with the one measured by experiment. The aim is to provide a new type of tank system with vertical constraint relaxed which leads to lower stress level. With the liquid volume increasing, the structural fundamental frequency has a great reduction and the one of uplift tank are even smaller. Compared with anchored tank, the displacement of uplift tank is magnified, the strain for tank walls and columns parallel to excitation direction reduces obviously, while the one perpendicular to earthquake direction increases a lot, but the values are still small. The stress level of new tank seems to be more even due to uplift effect. The new type of tank can realize recoverable function by replacing dampers after earthquake.
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참고문헌 (28)
참고문헌 신청
Barton, D. C. / 1987 / Finite element analysis of the seismic response of anchored and unanchored liquid storage tanks / Earthq. Eng. Struct. Dynam 15(3):299~322
Chen, J. / 2019 / Seismic response analysis and damping method of spherical liquid storage tank / IOP Conference Series, Materials Science and Engineering 542:12006
Xuansheng Cheng / 2019 / Nonlinear Dynamic Responses of Sliding Isolation Concrete Liquid Storage Tank with Limiting-Devices / KSCE Journal of Civil Engineering 23(7):3005~3020
Colombo, J. I. / 2019 / Simplified 3D model for the uplift analysis of liquid storage tanks / Eng. Struct 196:109278
Curadelli, O. / 2010 / Resonant frequencies in an elevated spherical container partially filled with water : FEM and measurement / J. Fluid Struct 26(1):148~159
Chen, J. / 2019 / Seismic response analysis and damping method of spherical liquid storage tank / IOP Conference Series, Materials Science and Engineering 542:12006
Xuansheng Cheng / 2019 / Nonlinear Dynamic Responses of Sliding Isolation Concrete Liquid Storage Tank with Limiting-Devices / KSCE Journal of Civil Engineering 23(7):3005~3020
Colombo, J. I. / 2019 / Simplified 3D model for the uplift analysis of liquid storage tanks / Eng. Struct 196:109278
Curadelli, O. / 2010 / Resonant frequencies in an elevated spherical container partially filled with water : FEM and measurement / J. Fluid Struct 26(1):148~159
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