Diversion Conduit and Low-Level Outlet for Punchiná Dam

by Fabio Villegas, (M.ASCE), Tech. Dir.; Integral S.A., Apartado Aéreo 3036, Medellin, Colombia,
Oscar Mejia, (M.ASCE), Pres.; Carbocol S.A., Bogotá, Colombia,


Serial Information: Issue 4, Pg. 396-408


Document Type: Journal Paper

Abstract: This paper describes the design, construction, and performance of a cut-and-cover diversion conduit, which required applying some unconventional design concepts. The reasons for selecting a cut-and-cover conduit instead of a tunnel are also presented. The hydrological, hydraulic, and structural criteria for design of the conduit are explained, and the construction of the conduit and the problems that occurred during river diversion are also described. Finally, performance of the structure and its conformity to the design assumptions are analyzed.

Subject Headings: Conduits | Dams | Construction management | Hydraulic design | Tunnels | Conceptual design | Structural design | Hydrology |

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