›› 2004, Vol. 25 ›› Issue (12): 1989-1993.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Thermo mechanical coupling analysis of nuclear waste repository

BAI Bing   

  1. College of Civil Engineering，Beijing Jiaotong University，Beijing 100044,China
  • Received:2003-08-26 Online:2004-12-10 Published:2014-08-19

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Abstract: Based on thermomechanics and thermoelasticity theory, the thermomechanical coupling effects and their effects on thermal parameters and mechanical parameters are analyzed briefly. The coupling governing equation under conditions of nonisothermal state is established, and the formulations of spatial discretization and time discretization are given. Using finite element method, a practical plane strain problem of radioactive waste repository is analyzed. The computed transient distributions of temperature field, stress field are discussed; and the effects of coupling are also discussed. The studies show that, with the elapsed time, heat energy are continually conducted and diffused from repository to further distance, and this variation of temperature will inevitably cause the variation of stress state in the meantime.

Key words: nonisothermal state, thermoelasticity, coupling analysis, governing equation

CLC Number: 

  • O357.3
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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