Some of the most important aspects of numerical modelling of cracking in concrete are reviewed. After a discussion of the three main lines in modelling cracking-discrete crack models, smeared representations and approaches using lattice models-a concise treatment including comparative studies is given of the various smeared crack approaches that exist to date. Next a discussion is presented of some issues pertaining to the sensitivity of numerical results on the fineness of the mesh and the direction of the mesh lines, and on size effects in concrete structures.
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页码:5 / 36
页数:32
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Vonk R.A., 1992, Softening of concrete loading in compression