As a result a full fixity at the base and free condition at the horizontal side of geometry are generated. To set up the boundary condition, the standard fixities option is used. It involves five parameters namely, Young’s Modulus (E) and poison’s ratio (ν) for soil elasticity, friction angle (φ) and cohesion (c) for soil plasticity. In the analysis elastic–plastic Mohr–Coulomb model is used as material model. ![]() In order to modeling requires the soil parameters obtained from laboratorial tests. ![]() These underground monumental structures have been analyzed by finite element method FEM to obtain the deformation that accrued into the structure and so beneath of the surface and calculated the effective stress, shear stress and horizontal displacements. Then, the structure is modelled by using finite element code to perform accurate three-dimensional analysis of deformation and stability in complex geotechnical engineering and rock mechanics. In this study, analysis of complicated underground structure of Horemheb tomb (KV57) at Luxor, Egypt by using the software PLAXIS 3D is adopted and the deformation that occurs in the body of the underground structure after applied the failure load detected the failure loads are obtained from the series of laboratory tests.
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