›› 2009, Vol. 30 ›› Issue (2): 558-562.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental research on bearing behavior of piles with self-balanced method in Daweng bridge in Vietnam

GONG Wei-ming, YU Qing-quan, DAI Guo-liang   

  1. School of Civil Engineering, Southeast University, Nanjing 210096, China
  • Received:2007-05-23 Online:2009-02-10 Published:2011-01-27

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Abstract:

Four test bored piles in Daweng bridge & Qinyu bridge projects in Vietnam have been tested with self-balanced method of bearing capacity. The pile tip post-grouting technology was used in two of them. The fundamental principles of this method and the pile tip post-grouting technology are introduced. The experimental data gained are analyzed. The results indicate that the design codes of Vietnam over estimate the tip bearing capacity; and the pile tip post-grouting can boost the bearing capacity of piles.

Key words: bored piles, self-balanced load test method, pile tip post-grouting, bearing behavior

CLC Number: 

  • TU 473
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