Volume 6 Issue 2
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Xin-yong XU, Zhen-yue MA, Hong-zhan ZHANG. 2013: Simulation algorithm for spiral case structure in hydropower station. Water Science and Engineering, 6(2): 230-240. doi: 10.3882/j.issn.1674-2370.2013.02.010
Citation: Xin-yong XU, Zhen-yue MA, Hong-zhan ZHANG. 2013: Simulation algorithm for spiral case structure in hydropower station. Water Science and Engineering, 6(2): 230-240. doi: 10.3882/j.issn.1674-2370.2013.02.010
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Simulation algorithm for spiral case structure in hydropower station

doi: 10.3882/j.issn.1674-2370.2013.02.010
  • 1.

    Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, P. R. China

  • 2.

    School of Hydraulic Engineering, North China University of Water Resources and Electric Power, Zhengzhou 450011, P. R. China

Funds:  This work was supported by the National Natural Science Foundation of China (Grant No. 51079020), the He’nan Provincial Research Foundation for Basic and Advanced Technology (Grant No. 122300410001), and the Foundation of He’nan Educational Committee (Grant No. 13A570715).
More Information
  • Corresponding author: Xin-yong XU
  • Received Date: 2012-02-10
  • Rev Recd Date: 2012-05-29
    Abstract
  •  In this study, the damage-plasticity model for concrete that was verified by the model experiment was used to calculate the damage to a spiral case structure based on the damage mechanics theory. The concrete structure surrounding the spiral case was simulated with a three-dimensional finite element model. Then, the distribution and evolution of the structural damage were studied. Based on investigation of the change of gap openings between the steel liner and concrete structure, the impact of the non-uniform variation of gaps on the load-bearing ratio between the steel liner and concrete structure was analyzed. The comparison of calculated results of the simplified and simulation algorithms shows that the simulation algorithm is a feasible option for the calculation of spiral case structures. In addition, the shell-spring model was introduced for optimization analysis, and the results were reasonable.

     

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