The Study of Strengthened Square Reinforced Concrete Slabs
碩士 === 國立成功大學 === 土木工程學系專班 === 92 === This paper presents a reasonable numerical model for reinforced concrete structures strengthened by FRP. Proper constitutive models are introduced to simulate the nonlinear behaviors of reinforced concrete and FRP. There are two failure criteria to control wheth...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2004
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| Online Access: | http://ndltd.ncl.edu.tw/handle/43knu2 |
| Summary: | 碩士 === 國立成功大學 === 土木工程學系專班 === 92 === This paper presents a reasonable numerical model for reinforced concrete structures strengthened by FRP. Proper constitutive models are introduced to simulate the nonlinear behaviors of reinforced concrete and FRP. There are two failure criteria to control whether the program should be stopped or not, say FRP strain control and interfacial strength of FRP-to-concrete joint control. The finite element program ABAQUS is used to perform the nonlinear failure analysis of the discussed problems. The validity of the proposed material models and the failure criteria is verified with experimental data and some strengthening schemes are discussed in detail for engineering applications. It has been shown that the use of fiber-reinforced plastics can significantly increase the stiffness as well as the ultimate strengths of reinforced concrete slabs. In addition, a curve fitting function of the numerical results is presented to predict the ultimate strength of the reinforced concrete slabs strengthened with FRP.
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