Innovations in Soft Computing and Information Technology by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9789811331855
Publisher: Springer Singapore

5

Bulk modulus of concrete

6.1 × 106 N/m2

6

Elastic modulus of concrete

1.4 × 1010 N/m2

Finite element formulation in the SSI analysis of the frame-isolated footing–soil system is as shown in Fig. 3a–c. The soil is modelled with 43 × 10 × 27 layers in the longitudinal, vertical and transverse directions, respectively, resulting in 11,610 brick elements. Each footing of size 2 × 2 m is modelled by four plate elements of size 1 m × 1 m. The number of plate elements used is 96. The number of beam elements in the longitudinal direction (X-direction) is 80, 72 in transverse (Z-direction) and 96 in the vertical (Y-direction). The graphs are plotted in terms of dimensionless parameters X/L and Z/B where L and B are dimensions of the frame in X and Z directions as shown in Fig. 3a.

Fig. 3a Frame-isolated footing–soil system, b structure foundation system, c reference axis and arrangement of isolated footings [8]

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