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Calculation of Parabolic Foundation Pressure and Additional Stress

Excerpt

The article mainly studies the stress distribution of Hardfill dams' foundation and deduces the analytical solution of foundation stress. The distribution curve of foundation pressure is exported accurately with Finite Element Software, and then fitted exactly as a quadratic parabolic equation, whose coefficients' variation regularity and range are represented in tables for considering the variations of dam materials and bedrocks. The parabolic foundation pressure is loaded on the foundation to replace the effects of dam, and then the additional stress distribution regularity and analytical solution are deduced. The study aims at researching the stress solution of 100m high dam, and then extends it to the situation of arbitrary height. For additional stresses in foundation under quadratic parabolic loading, it can be calculated by utilizing the analytical solution.

  • Abstract
  • Introduction
  • Analysis of Foundation Stress Distribution
  • Calculation and Curve Fitting of Foundation Pressure
  • Calculation and Derivation of Additional Stress
  • Verification of the Additional Stress Equation
  • Stress Equation ander Any Other Height of Dam
  • Conclusion
  • Acknowledgments
  • References

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