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자료유형
학술저널
저자정보
Murthy, A. Rama Chandra (Structural Engineering Research Centre, CSIR, CSIR Campus) Ganapathi, S. Chitra (Structural Engineering Research Centre, CSIR, CSIR Campus) Saibabu, S. (Structural Engineering Research Centre, CSIR, CSIR Campus) Lakshmanan, N. (Structural Engineering Research Centre, CSIR, CSIR Campus) Jayaraman, R. (Structural Engineering Research Centre, CSIR, CSIR Campus) Senthil, R. (Structural Engineering Department, Anna University)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제33권 제5호
발행연도
2009.1
수록면
605 - 619 (15page)

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This paper presents the details of finite element (FE) modeling and analysis of an external prestressing technique to strengthen a prestressed concrete (PSC) end block. Various methods of external prestressing techniques have been discussed. In the proposed technique, transfer of external force is in shear mode on the end block creating a complex stress distribution. The proposed technique is useful when the ends of the PSC girders are not accessible. Finite element modeling issues have been outlined. Brief description about material nonlinearity including key aspects in modeling inelastic behaviour has been provided. Finite element (FE) modeling including material, loading has been explained in depth. FE analysis for linear and nonlinear static analysis has been conducted for varying external loadings. Various responses such as out-of-plane deformation and slip have been computed and compared with the corresponding experimental observations. From the study, it has been observed that the computed slope and slip of the steel bracket under external loading is in good agreement with the corresponding experimental observations.

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