›› 2010, Vol. 31 ›› Issue (12): 3875-3879.

• Geotechnical Engineering • Previous Articles     Next Articles

Pile-raft interaction by using modified Geddes model and variable rigidity design method for balance settlement

JIN Yong-tao1, YANG Hua2, LI Feng-li1   

  1. 1.Nanjing Nanda Geotechnical Engineering Co., Ltd., Nanjing 210024, China; 2.Zhejiang Academy of Building Research & Design Co., Ltd., Hangzhou 310012, China
  • Received:2009-07-22 Online:2010-12-10 Published:2010-12-21

Abstract:

Although the interaction among piles should be calculated by Geddes’s stress method, which can not consider the raft rigidity, it can’t be applied to pile-raft interaction. Geddes’s stress method is modified and the modified calculation models is verified in practice. The balance settlement method based on variable rigidity which can reduce differential settlement and hypo-stress is introduced through adjusting the array of pile group.

Key words: high-rise building, interaction, Geddes model, variable rigidity, balance settlement design

CLC Number: 

  • TU 472
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