›› 2007, Vol. 28 ›› Issue (1): 77-82.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Shaking table test study on aseismic behavior of rigid pile composite foundation

WU Si-yu, SONG Er-xiang, LIU Hua-bei, Wang Zong-gang   

  1. Department of Civil Engineering, Tsinghua University, Beijing 100084, China
  • Received:2005-03-18 Online:2007-01-10 Published:2013-08-28

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Abstract: The aseismic behavior of rigid pile composite foundation was investigated by shaking table tests with a scaling factor of 1/10. In order to better simulate the vibration of the subgrade under earthquake; and flexible wall container, a new technique, was used. In addition, vertical force was applied to the foundation and a damper was installed on the structure in order to have a better similarity in the foundation pressure and in the damping ratio. Through a number of shaking table tests, the aseismic behavior of rigid pile composite foundation and the effect of the flexible wall container were investigated. The results of the tests show that the rigid pile composite foundation has good aseismic performance; the boundary effect of model test could be reduced by the flexible wall container; the strains of the piles did not reach critical value even under quite large seismic wave input; the influence of superstructure on the deformation of piles was not negligible; and the shaking could weaken the constraint of soils to the foundation but increase the constraint to the pile heads.

Key words: rigid pile composite foundation, shaking table test, earthquake response

CLC Number: 

  • TU 472
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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