ELPLA (ELASTIC PLATE) is a powerful tool for analyzing piled-raft foundations. ELPLA has models for analyzing single pile, pile groups, piled raft foundation. ELPLA can analyze foundation of arbitrary shape with real subsoil model. The mathematical solution of the raft is based on the finite element method. The program can analyze different types of subsoil models, e.g. the three-dimensional Continuum model that considers any number of irregular layers. A good advantage of this program is the capability to handle the three analyses of flexible, elastic and rigid foundations. In addition, the mesh of the rigid and flexible foundations can be constructed to be analogous to the finite element mesh of the elastic foundation. Therefore, the three analyses can be compared easily and correctly. ELPLA can also be used to represent the effect of external loads, neighboring foundations, tunneling and the influence of the temperature difference on the raft.

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