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Cone model for two surface foundations on layered soil

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Abstract

In this paper, the cone model is applied to the vibration analysis of two foundations on a layered soil half space. In the analysis, the total stress field in the subsoil is divided into the free-field and the scattering field. Seed’s simplified method is adopted for the free-field analysis, while the cone model is proposed for analyzing the dynamic scattering stress wave field. The shear stress field and the compressive stress field in the layered stratum with two scattering sources are calculated by shear cone and compressive cone, respectively. Furthermore, the stress fields in the subsoil with two foundations are divided into six zones, and the P wave and S wave are analyzed in each zone. Numerical results are provided to illustrate features of the added stress field for two surface foundations under vertical and horizontal sinusoidal force excitation. The proposed cone model may be useful in handling some of the complex problems associated with multi-scattering sources.

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Authors and Affiliations

  1. School of Civil Engineering, Beijing Jiaotong University, Beijing, 100044, China

    Chen Wenhua  (陈文化) (Professor)

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  1. Chen Wenhua  (陈文化)
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Correspondence to Chen Wenhua  (陈文化).

Additional information

Supported by: National Natural Science Foundation of China Under Grant No.50678021

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Chen, W. Cone model for two surface foundations on layered soil. Earthq. Engin. Engin. Vib. 5, 183–187 (2006). https://doi.org/10.1007/s11803-006-0580-7

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  • DOI: https://doi.org/10.1007/s11803-006-0580-7

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