Example 16: Elastic square raft on Isotropic elastic half-space soil medium

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Description of the problem

To verify the mathematical model of ELPLA for elastic raft, the results of an elastic raft at different relative stiffness obtained by other analytical solutions from Stark/ Majer (1988) and Borowicka (1939) are compared with those obtained by ELPLA.

A rectangular raft with sides 12 [m] and 6 [m], rests on an isotropic elastic half-space soil medium is chosen and subdivided into 12×12 elements as shown in Figure 23. The elastic properties of the raft and the soil are Es = 10000 [kN/m], Eb = 2.6×10 [kN/m], νs = 0 [-], νb = 0.15 [-]. The raft carries a uniform load of 100 [kN/m2].

 

 Example 16: Elastic square raft on Isotropic elastic half-space soil medium

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