This paper present the ABAQUS program is used to model the behaviour of reinforced concrete (RC) slab subjected to static loading. The Nonlinear finite element model uses the concrete damaged plasticity (CDP) approach. The model used in the present study can help to compare the experimental investigations under considerations as a valuable data for the design aspect. Four test slab specimens of size 600X600X60mm with four different mixes with partial replacement of Natural coarse aggregate with Recycled coarse aggregate (RCA) and Treated recycled coarse aggregate (TRCA) were modeled in ABAQUS 6.14 to study first crack load, ultimate load and load deflection behavior, Hence, the Nonlinear finite element models can simulate the behavior of recycled aggregate slab under static loading condition and with good agreement with that of experimental obtained results.
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