›› 2005, Vol. 26 ›› Issue (S1): 232-236.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation

LEI Jin-bo1,2 , XU Ze-zhong1 , HUANG Ling2 , KUANG Sen-bao2   

  1. 1. College of Civil Engineering, Hohai University, Nanjing 210098, China; 2. Nanchang Institute of Aeronautical Technology, Nanchang 330034, China
  • Received:2005-01-17 Published:2005-12-15

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Abstract: According to the control settlement theory, making use of the method of enlarging the distance of piles, PTC piles have been designed and applied in the profundity soft soil ground treatment of a highway. The spot tests of PTC pile with cap composite foundation have been done in order to investigate working mechanism, and study the mechanical behavior of the settlement deformation, load-bearing capacity, load transfer, pile-soil stress ratio and pile-soil interaction of it at two kinds of different soil conditions. At last, there are some useful results by the experiment. The test results can provide useful information for engineers in study the theory of PTC pile composite foundation, and may be a guide to design PTC pile composite foundation under flexible foundation. The working principle study on PTC with cap control settlement and sparse piles composite foundation should be enhanced in future.

Key words: control settlement theory, PTC pile with cap composite foundation, pile-soil stress ratio, sharing of load, experimental study

CLC Number: 

  • TU 473.1
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