›› 2004, Vol. 25 ›› Issue (2): 189-193.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical computation and analysis of fracturing problems of concrete dam owing to freezing and thawing

LI Shou-ju1, LIU Ying-xi1, CHEN Chang-lin2, LI Zheng-guo2   

  1. 1. State Key Laboratory of Structural Analysis of Industry Equipment, Dalian University of Technology, Dalian 116024, China; 2. Fengman Hydropower Plant, Jilin 132108, China
  • Received:2002-09-02 Online:2004-02-10 Published:2014-07-15

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Abstract: Based on the measuring water temperatures and weather temperatures, the regression models of water temperatures and weather temperatures in different seasons were proposed. By making use of finite element method, the temperature fields of concrete dam in different seasons were investigated, and then the changes of stress fields of concrete dam were analyzed because the weather temperature changes seriously with seasons in the cold regions. The research shows that the first principal stress of concrete dam near downstream surface can be over the tensile strength of concrete, and bring about freezing and thawing deterioration in concrete dam. The numerically computational results demonstrate that the simulating values with finite element method can approach to in-situ prospecting values.

Key words: concrete dam, freezing and thawing, thermostress, reinforcing construction

CLC Number: 

  • TU 528
  • 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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