The Rocking Response of Three Dimensional Rectangular Liquid Storage Tank

3차원 구형 액체 저장 Tank의 Rocking응답

  • 김재관 (서울대학교 공과대학 토목공학과) ;
  • 박진용 (서울대학교 대학원 토목공학과) ;
  • 진병무 (서울대학교 대학원 토목공학과) ;
  • 조양희 (인천대학교 토목공학과)
  • Published : 1998.03.01

Abstract

A dynamic fluid-structure-soil interaction analysis method is developed to investigate the effects of translational and/or rocking motions on the seismic response of flexible rectangular liquid storage tanks founded on the deformable ground. The governing equation for the dynamics of 3-D rectangular tanks subjected to the translational and/or rocking motion is abtained by applying Rayleigh-Ritz method. The dynamic stiffness matrices of a rigid rectangular foundation resting on the surface of a stratum overlaid bedrock are calculated by hyperelement method. The seismic responses of 3-D flexible tank model founded on the deformable ground is calculated by combining the governing equation for the fluid-tank system with the dynamic stiffness matrix of th rigid surface foundation.

Keywords

fluid-structure-soil interaction;rectangular tanks;rocking response

References

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