›› 2010, Vol. 31 ›› Issue (11): 3635-3639.

• Numerical Analysis • Previous Articles     Next Articles

Earth pressure calculation theory considering displacement effects

YANG Tai-hua 1, 2，HE Huai-jian1   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. College of Urban Construction, Wuhan University of Science and Technology, Wuhan 430070, China
  • Received:2009-12-20 Online:2010-11-10 Published:2010-11-24

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Abstract:

Based on Rankine's earth pressure theory, assuming the internal friction angle of backfill and the displacement are in nonlinear, a calculation model for calculating the passive and active earth pressure acted on the retaining wall is put forward. This model is continuous with displacement variation and can consider the friction of interface between soil and wall. By contrasting the calculated results and the model test results of sands, it is shown that they can agree with each other very well. So it is reasonable to use the calculation model to calculate the active or passive earth pressure. In addition, according to the calculation model, the paper deduces a new kind of effective calculation method to estimate static earth pressure coefficient.

Key words: displacement effects, earth pressure, calculation theory, non-limit equilibrium state

CLC Number: 

  • TU 413.6
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