›› 2010, Vol. 31 ›› Issue (S1): 245-254.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Research on optimum design of retaining piles structure with interior bracing

ZHOU Ai-qi1, GONG Xiao-nan2, LIU Heng-xin1, ZHANG Hong-jian1   

  1. 1. Geotechnical Investigation and Surveying Institute of Hangzhou, Hangzhou 310012, China; 2. Institute of Geotechnical Engineering, Zhejiang University, Hangzhou 310058, China
  • Received:2010-04-13 Online:2010-08-10 Published:2010-09-09

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Abstract:

Based on analyzing the mechanical characteristics and optimum design room of retaining piles structure with interior bracing, a mathematical model of optimum design for the joint of retaining piles-interior bracing is established; and a new objective function and a optimum design criterion are proposed for finding the partial optimum solution to the location of interior bracing on the basis of the fundamental thought of full stress design; three evaluation methods about the equivalent allowable axial-compressive stress ?c and bending stress ?m in the joint are derived and compared; then a application example of a certain excavation in Hangzhou is recommended. The conclusion could be used for reference in optimum design of similar excavations.

Key words: retaining piles structure with interior bracing, optimum design, design variable, objective function, allowable stress

CLC Number: 

  • TU 411
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