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논문 기본 정보

자료유형
학술저널
저자정보
Song, Ha-Won (Department of Civil Engineering, Yonsei University) Shim, Byul (Department of Civil Engineering, Yonsei University) Woo, Seung-Min (Department of Civil Engineering, Yonsei University) Koo, Ja-Choon (Department of Civil Engineering, Yonsei University)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제11권 제6호
발행연도
2001.1
수록면
591 - 604 (14page)

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In this paper, a finite element with embedded displacement discontinuity which eliminates the need for remeshing of elements in the discrete crack approach is applied for the progressive fracture analysis of concrete structures. A finite element formulation is implemented with the extension of the principle of virtual work to a continuum which contains internal displacement discontinuity. By introducing a discontinuous displacement shape function into the finite element formulation, the displacement discontinuity is obtained within an element. By applying either a nonlinear or an idealized linear softening curve representing the fracture process zone (FPZ) of concrete as a constitutive equation to the displacement discontinuity, progressive fracture analysis of concrete structures is performed. In this analysis, localized progressive fracture simultaneous with crack closure in concrete structures under mixed mode loading is simulated by adopting the unloading path in the softening curve. Several examples demonstrate the capability of the analytical technique for the progressive fracture analysis of concrete structures.

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