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Non-linear Finite Element Analysis of the Strengthened RC Columns with Special Shape Based on ANSYS

Author: DongHongWei
Tutor: LiQiuYing
School: Hebei University of Engineering
Course: Structural Engineering
Keywords: Shaped columns Wet Steel reinforcement method CFRP reinforcement method Nonlinear Finite Element Analysis
CLC: TU311.3
Type: Master's thesis
Year: 2011
Downloads: 117
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Abstract


The maintenance of the existing structure and the reinforcement of the damaged structure , repair is one of the main problems facing the structural engineering . Shaped columns of reinforced concrete structure due to building space and a wide range of engineering applications . Shaped column structure as a new kind of structure , less for its reinforcement of the research , it is necessary to conduct an in-depth study , which is particularly important for the irregular cross-section of the profiled structure reinforcement of the column members . With the development of reinforced concrete finite element techniques , using the finite element method for nonlinear analysis of reinforced concrete columns reinforced to become a reality . Reduce experimental expenditure on the one hand , reduce labor , save time , while also engineering applications to provide a reference guide . By using the commercial finite element software ANSYS analysis of the performance of concrete columns reinforced . Shaped columns and concrete reinforcement technology development from the start , review , and describes the application of finite element software in structural engineering , inspection of the existing literature , we mainly do the following tasks : ( 1) shaped columns ordinary rectangular column cross-section characteristics and mechanical properties on the differences , summed up the advantages and disadvantages of several commonly used concrete reinforcement methods applied to shaped columns reinforced analyzed wet Steel reinforcement and CFRP reinforcement applied reinforcement profiled the column has a good performance. (2 ) using ANSYS finite element analysis software under the bias of the RC-L -shaped column of Wet Steel reinforcement mechanical properties of nonlinear analysis . Derived from the finite element analysis of the specimen before and after reinforcement the fissure condition , stress distribution and load - displacement curve of the concrete tension zone . The comparative analysis of results obtained Wet Steel reinforcement method applied to the components of the reinforced concrete columns reinforced with a good performance . (3 ) using ANSYS finite element analysis software finite element simulation and modal analysis of CFRP Strengthened RC-L -shaped column . The analysis results show that the ability to increase capacity and deformation shaped columns reinforced . Based on ANSYS simulation tests on reinforced concrete columns reinforced with innovation . Simulation and analysis conclusions of this paper shaped columns reinforced in-depth study of the technology and engineering applications to provide a reference .

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural Mechanics > Structural Dynamics
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