Avarage Uplift Computation for Hollow Gravity Dams
Publication: Journal of Hydraulic Engineering
Volume 111, Issue 3
Abstract
A closed‐form solution is obtained with the help of the seepage theory and the Schwartz‐Christoffel transformation for determination of average uplift pressures for any section of hollow gravity dam. The average uplift pressure is calculated numerically from the derived equations and plotted to facilitate the use of the results for design purposes. It is seen that the average uplift pressures drop almost linearly to about 5–22% near the head of the cavity. The average uplift pressure opposite the cavity head decreases with an increase in the value of and decreases in the value of The average uplift pressures beyond the cavity head drop to approximately negligible value at a distance of about from the head of the cavity. By shifting the cavity head towards downstream, the average uplift pressures increase in the entire upstream portion.
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References
1.
Byrd, P. F., and Friedman, M. D., Handbook of Elliptic Integrals for Engineers and Scientists, Springer‐Verlag, Inc., Berlin, Germany, 1971.
2.
Chawla, A. S., and Natthi, Mal, “Uplift Pressures on Hollow Gravity Dams,” Journal of the Hydraulic Division, ASCE, Vol. 105, No. HY3, Proc. Paper 14464, Mar., 1979, pp. 257–273.
3.
David, C. V., and Sovensen, K. E., Handbook of Applied Hydraulics, 3rd Ed., McGraw‐Hill Book Co., Inc., New York, N.Y., 1969.
4.
Ransford, G. D., Uplift Computations for Masonary Dams, La Hoville Blanche, No. 1, 1972, pp. 65–70.
5.
Ransford, G. D., Uplift Computations for Hollow Gravity Dams, La Hoville Blanche, No. 4, 1972, pp. 295–302.
6.
Ransford, G. D., Discussion of the paper titled, “Uplift Pressures on Hollow Gravity Dams.”
7.
Seth, R. C., “Uplift Pressures in Hollow Gravity Dams—3D Consideration,” thesis presented in July, 1979, in partial fulfillment of the requirements for the degree of Master of Engineering (WRD).
Information & Authors
Information
Published In
Journal of Hydraulic Engineering
Volume 111 • Issue 3 • March 1985
Pages: 455 - 466
Copyright
Copyright © 1985 ASCE.
History
Published online: Mar 1, 1985
Published in print: Mar 1985
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