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The Seismic Behavior and Nonlinear Finite Element Analysis of Steel Reinforced High Strength Concrete

Author: QiuYang
Tutor: ZhiYunFang
School: Chongqing University
Course: Structural Engineering
Keywords: Intensified SRC Node Shear capacity Finite Element Analysis
CLC: TU398.9
Type: Master's thesis
Year: 2008
Downloads: 141
Quote: 2
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Abstract


Recently, more and more high-rise buildings are used concrete structure SRHC . This structure can be in the form of better play steel, concrete performance . The key parts of the nodes are connected to the beams and columns , the internal forces of beams and columns passed through the nodes . Steel reinforced high-strength concrete beam-column joints force is complex and influenced by many factors , and to study the impact of various parameters on the performance of nodes , the need for a large number of tests , the amount of labor and capital investment are great . If using a computer-aided analysis of the finite element method , can be a good solution to the problem . Research Seismic performance of steel reinforced high-strength concrete beam-column joints , the application of the finite element analysis software MSC.MARC node on the weak node type \In this paper, a combined finite element model , while ignoring the bond slip behavior between steel reinforced concrete node of each component of the core area , nonlinear finite element analysis of the the nodes bearing capacity and other performance . The results show that the finite element calculation error , model simplification is reasonable . The analysis also showed that : the bond slip between the various components of the core area of steel reinforced high-strength concrete node no significant effect on the bearing capacity DUCTILITY . On this basis , this paper proposed a simplified model of the part of the impact parameter of the \Analysis showed that : axial compression ratio is favorable node stiffness , cracking strength increased , and increased substantially larger ; the stirrup ratio increasing node bearing capacity increases ductility of nodes greater impact .

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