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In this study Finite Element Method (FEM) is used for analysis of crack propagation in a rectangular slab supported by peripheral beams. ANSYS Mechanical APDL 16.2 Software is used to carry out non-li...near static analysis. SOLID65 solid element is used to model the continuum components. The Compressive crushing of concrete is simplified by consuming plasticity procedure, whereas the concrete cracking in tension region is found by the nonlinear physical model. The reinforcement is modeled by the smeared method and used because of the ratio of rebar implanted within the concrete slab to the whole volume of the concrete slab. The smeared reinforcement technique is more useful for the covered element such as a concrete slab. For this method it does not require explicit modeling of the rebar, For the analysis of slab much coarser mesh can be defined. The cracks appear at the top and bottom surface of the slab. The downward deflection that occurred at the underside of the slab. The spread of cracks within the slab established the system of yield line development. These results are compared with the theoretical results of yield line analysis. The cracking pattern of two-way slab that confirms the yield line analysis of slab.show more
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