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Seismic Analysis of Concrete Filled Tubular Simulation

Author: ZhangLi
Tutor: LiuShuXian
School: Liaoning Technical University
Course: Structural Engineering
Keywords: Concrete filled steel tubular structure finite element simulation hysteresis curve seismic response parameter design
CLC: TU398.9
Type: Master's thesis
Year: 2009
Downloads: 107
Quote: 0
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Abstract


Concrete filled steel tube as a whole at home and abroad seismic research is still at a preliminary stage and far from perfect, especially for three-dimensional simulation of concrete filled steel tubular structures seismic studies. A reasonable three-dimensional finite element simulation, can make up for lack of test observations. Because steel has a high bearing capacity of concrete structures, construction convenient, good fire resistance, corrosion resistance strong and so on. Therefore, the steel used in high-rise concrete buildings, large-scale structure and defense engineering and other fields is increasingly common, steel concrete structures has become a hotspot of current research. Domestic and foreign experts and scholars and the finite element method using experimental research methods such as steel concrete structures on the mechanical properties of the large number of studies and achieved certain results, but the concrete filled steel tubular space frame of the overall seismic performance of the study are not many. Especially in our country such an earthquake-prone countries, the overall structure of the seismic performance of concrete filled steel tube of the study is particularly important.In this paper, ABAQUS simulation software platform to build a steel concrete structure and reinforced concrete structure of two three-dimensional finite element model, under the same conditions for comparison of the two studies, results show that the full restoration of concrete filled steel tubular frame force model to be fully reflected the seismic performance of reinforced concrete frame structure is superior. In order to study the structure of concrete filled steel tubular frame seismic performance, adjust the steel concrete steel ratio, concrete strength, steel strength, axial compression ratio and some other parameters, and get the various parameters on the concrete structure. Steel and concrete due to the issue of synergy is very complex, therefore, a comprehensive summary of this article based on the work presented in-depth study on the subject of a number of issues yet to be.

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