INVESTIGATION OF THE POTENTIAL AFFLICATION OF THE ENDURANCE TIME METHOD IN IWHE SEISMIC ANALYSIS OF STEEL TANKS

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SAMANIPOUR K.; VAFAEI A.A.H.; ESTEKANCHI H.; KEYVANI J.

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Journal: Sharif Journal of Civil Engineering Year:2009 | Volume:24 | Issue:46.1 Page(s): 59-72

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Title

INVESTIGATION OF THE POTENTIAL AFFLICATION OF THE ENDURANCE TIME METHOD IN IWHE SEISMIC ANALYSIS OF STEEL TANKS

Author(s)

SAMANIPOUR K. | VAFAEI A.A.H. | ESTEKANCHI H. | KEYVANI J. | Issue Writer Certificate

Keywords

SEISMIC ANALYSISQ2

TIME ENDURANCE METHODQ2

STORAGE TANKSQ3

FINITE ELEMENT METHODQ2

SEISMIC DESIGN CODESQ3

Abstract

The development of experimental science and the amazing improvement in computational tools have caused scientists and researchers to provide the infrastructure for the development of new methods, which are more appropriate and rational, in comparison with traditional methods, in structural engineering. Performance based design methods and increasing static and dynamic load methods are some examples. The behavior of liquid STORAGE TANKS under seismic loading has been considered by engineers and researchers because of their importance and soil-structure interaction. The initial analytical models for the dynamic analysis of liquid STORAGE TANKS were based on simple assumptions, such as wall rigidity, that have been gradually modified. In this paper, a new method for performance based earthquake analysis (SEISMIC ANALYSIS) and the evaluation of structures, which is called the TIME ENDURANCE METHOD, is introduced. In this method, the structure is subjected to accelerograms that impose increasing dynamic demand on the structure with time. The purpose of this projects investigating the application of an ET method in the seismic design of ground-supported steel STORAGE TANKS and comparing them with the SEISMIC DESIGN CODES of steel tanks (such as API and AWWA). In addition, the obtained results of the ET method are compared with the obtained results of the SEISMIC DESIGN CODES. Then, the compatibility of the ET method in seismic design is investigated, in comparison with the codes. First, an extensive literature survey was carried out, regarding the mechanical models introduced for the SEISMIC ANALYSIS of tanks and related design codes. Then, the dynamic response of the flexible STORAGE TANKS under different input ground motions has been investigated, using the FINITE ELEMENT METHOD. For this purpose, the container and their fluids have been modeled with displacement based elements, using the general-purpose finite element code ANSYS. In an axisymmetric harmonic and 3D modeling, the specifications of one of the existing cylindrical tanks have been adopted. The compressibility and viscosity of the container's fluid have been also taken into account.

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APA: Copy

SAMANIPOUR, K., VAFAEI, A.A.H., ESTEKANCHI, H., & KEYVANI, J.. (2009). INVESTIGATION OF THE POTENTIAL AFFLICATION OF THE ENDURANCE TIME METHOD IN IWHE SEISMIC ANALYSIS OF STEEL TANKS. SHARIF: CIVIL ENINEERING, 24(46.1), 59-72. SID. https://sid.ir/paper/128232/en

Vancouver: Copy

SAMANIPOUR K., VAFAEI A.A.H., ESTEKANCHI H., KEYVANI J.. INVESTIGATION OF THE POTENTIAL AFFLICATION OF THE ENDURANCE TIME METHOD IN IWHE SEISMIC ANALYSIS OF STEEL TANKS. SHARIF: CIVIL ENINEERING[Internet]. 2009;24(46.1):59-72. Available from: https://sid.ir/paper/128232/en

IEEE: Copy

K. SAMANIPOUR, A.A.H. VAFAEI, H. ESTEKANCHI, and J. KEYVANI, “INVESTIGATION OF THE POTENTIAL AFFLICATION OF THE ENDURANCE TIME METHOD IN IWHE SEISMIC ANALYSIS OF STEEL TANKS,” SHARIF: CIVIL ENINEERING, vol. 24, no. 46.1, pp. 59–72, 2009, [Online]. Available: https://sid.ir/paper/128232/en

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