2011•Water Resources & Hydropower of Northeast ChinaRequires access
Study on control standard of dam heel stress for gravity dam
LI Jun-ji
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Abstract
The control standard of gravity dam heel stress is a difficult problem.To solve the problem,the finite element elastic model is used to analyze and calculate 4 kinds of gravity dam with different height,3 kinds of dam downstream slope,3 kinds of elastic modulus ratio between dam foundation and body and 28 groups grid with different size.The paper obtains the distribution law of gravity dam under different height,downstream slope,grid size,elastic modulus ratio between foundation and body,and the horizontal range of the main stress distortion area is less then 2% of the dam bottom width by using the finite element calculation for the gravity dam.