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Hydrodynamic pressures on sloping dams during earthquakes. Part 1. Momentum method

  • Allen T. Chwang (a1) and George W. Housner (a1)

Abstract

Von Kármán's momentum-balance method is adopted to investigate the earthquake forces on a rigid dam with an inclined upstream face of constant slope. The distribution of the hydrodynamic pressure along the upstream face is determined. It is found that the maximum hydrodynamic pressure occurs at the base of the dam for any inclination angle between 0 and 90°. Explicit analytical formulae for evaluating the total horizontal, vertical and normal loads are presented and a useful approximate rule for practical engineers is given.

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References

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KÁrmÁn, T. Von 1933 Discussion of water pressures on dams during earthquakes. Trans. A.S.C.E. 98, 434436.
Westergaard, H. M. 1933 Water pressures on dams during earthquakes. Trans. A.S.C.E. 98, 418433.
Zangar, C. N. 1953 Hydrodynamic pressures on dams due to horizontal earthquakes. Proc. Soc. Exp. Stress Anal. 10, 93102.
Zangar, C. N. & Haefeli, R. J. 1952 Electric analog indicates effect of horizontal earthquake shock on dams. Civil Engng 22, 278279.
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Hydrodynamic pressures on sloping dams during earthquakes. Part 1. Momentum method

  • Allen T. Chwang (a1) and George W. Housner (a1)

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