Transient Seepage Analysis of Guri Dam

by Chi-Yuan Wei, Sr. Hydr. Engr.; Hydr. Analysis and Design Div., Harza Engrg. Co., Chicago, Ill.,
William Y.J. Shieh, (M.ASCE), Assoc. and Head; Structural Analysis and Design Div., Harza Engrg. Co., Chicago, Ill.,


Serial Information: Journal of the Technical Councils of ASCE, 1979, Vol. 105, Issue 1, Pg. 135-147


Document Type: Journal Paper

Abstract: The transient seepage analysis of the 95-m (312-ft) high Guri earthfill dam was undertaken to investigate the saturation of earthfill and foundation during and after staged reservoir filling. Saturated-unsaturated porous media flow theory and Galerkin-type finite element techniques were applied. The phreatic surfaces were treated as zero pore pressure lines. The zero pore pressure line was obtained from the calculated pore pressures, including negative pressures in partially saturated zones. The movements of the saturation (wetting) fronts and the pore pressure distributions in the earthfill and its foundation were used in the investigation of deformation and stability of the Guri earthfill dam under staged construction and reservoir filling.

Subject Headings: Pore pressure | Earth fills | Dam foundations | Earthfill dams | Transient response | Seepage | Reservoirs | Porous media flow

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