Out-of-plane (SH) soil-structure interaction: Semi-circular rigid foundation revisited |
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| Institution: | 1. School of Civil Engineering, University of Tehran, Tehran, Iran;2. School of Engineering Science, University of Tehran, Tehran, Iran;3. Department of Civil, Environmental and Architectural Engineering, University of Colorado Boulder, Boulder, CO, USA;1. Tianjin Key Laboratory of Soft Soil Characteristics and Engineering Environment, Tianjin Chengjian University, Tianjin 300384, China;2. School of civil engineering and transportation, Hebei University of Technology, Tianjin 300401, China |
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| Abstract: | The model studied in this paper presents an extension of previous work for a shear wall on a semi-circular rigid foundation in an isotropic homogeneous and elastic half-space. The objective is to develop a soil-structure interaction model that can later be applied to the case of a flexible foundation. As shown in the Introduction below, Luco considered the case of a rigid foundation subjected to vertical incident plane SH waves, and Trifunac extended the solution for the same rigid foundation subjected to SH waves but for arbitrary angles of the incidence. In this paper, a new approach and model are presented for the same semi-circular rigid foundation with a tapered-shape (instead of rectangular) superstructure. The analytical expression for the deformation of the semi-circular rigid foundation below this tapered shear wall with soil-structure interaction in an isotropic homogeneous and elastic half-space is thus derived. Results are then compared with those of Trifunac discussed in the section below. This problem formulation can and will later be extended in the case of a flexible foundation that is semi-circular or arbitrarily shaped. |
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| Keywords: | SH waves Flexible/semi-circular rigid foundation Big arc approximation Tapered shear-wall structure |
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