›› 2007, Vol. 28 ›› Issue (1): 51-56.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on crack control of concrete wall of steel lined reinforced concrete penstocks

GONG Guo-zhi, ZHANG Wei, WU He-gao, MA Shan-ding   

  1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China
  • Received:2005-12-02 Online:2007-01-10 Published:2013-08-28

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Abstract: The concrete wall would crack under design load, which is the fact and one of working principles in steel lined reinforced concrete penstocks. In order to release the contradiction between cracking and limiting crack width, model tests and FEM are adopted to study on some measures of crack control, and calculation method of crack width. The results show that cracking width would decrease when using more bars and thinner lining, that cracking width would decrease slowly when reducing the thickness of concrete wall, that waterproof painting has the better properties of cementation and deformation, and can be studied on improve durability of materials by long-term tests, and that the result using the calculation method in code П-780-83 to calculate crack width, is coincident with the result of model test.

Key words: steel lined reinforced concrete penstocks, model test, nonlinear finite element method of reinforced concrete, crack control, durability

CLC Number: 

  • TV 732.4
  • 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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