›› 2009, Vol. 30 ›› Issue (2): 433-439.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Use of microclimate energy analysis method in geotechnical problem analysis

GAO Yan-bin1, CUI Yu-jun2   

  1. 1. Department of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2. CERMES, Ecole nationale des ponts et chaussees, Paris 77455, France
  • Received:2007-07-09 Online:2009-02-10 Published:2011-01-27

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Abstract:

The determination of boundary condition which changing with weather condition is always a challenge problem in geotechnical numerical analysis of unsaturated soil. Some methods used widely in agriculture for soil-atmosphere interaction analysis are introduced. Moreover, the energy balance method and aerodynamics method are used to setting the boundary condition in the analysis of Rouen test embankment in France. Embankment behavior in January 2005 is simulated; and results including energy exchange between the embankment soil and atmosphere, soil temperature, soil volumetric water content and suction are given. It is shown energy analysis methods used widely in agriculture are also effective in geotechnical problem analysis.

Key words: energy balance, soil-atmosphere interaction, embankment, unsaturated soil

CLC Number: 

  • S 161
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