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Dynamic Response of Different Types of Shallow Foundation over Sandy Soils to Horizontal Harmonic Loading

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  • Taha Ashoori

    (University of Texas at Arlington, Tehran, Iran)

  • Keivan Pakiman

    (Kayson Inc., Tehran, Iran)

Abstract

Increasing requirements of industries and research institutes to analytically results of interaction soil-foundation related systems, reveals the importance of the dynamic impedance functions than ever before. The dynamic impedance function relations are presented for mass less rigid foundations which is possible to obtain dynamic response of foundations for different frequencies and masses accordingly. In this study, the dynamic impedance functions were investigated using physical modeling tests on sandy soil with finite thickness soil stratum over bedrock. The tests were carried out inside a steel container of dimensions 1×1×0.8m in length, width and height respectively which was filled into container with Babolsar sand by using air – pluviation technique after calibration test with relative density of 55.1 percent. The selected foundations were square and circular with same surface area and rectangular with length to width ratio of 2 that were investigated to determine effects of shape, inertia, embedment ratio, dynamic force amplitude and bedrock on horizontal impedance.

Suggested Citation

  • Taha Ashoori & Keivan Pakiman, 2015. "Dynamic Response of Different Types of Shallow Foundation over Sandy Soils to Horizontal Harmonic Loading," International Journal of Geotechnical Earthquake Engineering (IJGEE), IGI Global, vol. 6(1), pages 1-14, January.
    • Handle: RePEc:igg:jgee00:v:6:y:2015:i:1:p:1-14
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