Metodología para la determinación de la capacidad de descarga del vertedero de excesos en presas de tierra

Abstract

Considering the importance and magnitude about the works with dams PACALORI Project, has seen the need for a technical - economical analysis in order to determinate the optimal length of spillway in regard to the construction cost of structure against the costs of these expropriations by flood areas, that flood occurs during increasing. For this purpose we have considered different spillways lengths, based on which and by studying corresponding flood control, it has been determined the flow rate and design load for each case. Once it established these parameters, it proceeded to perform the hydraulic design of the spillway and it supplementary works, later on performing the locus thereof. The quantities of tasks associated whith each spillway length we determined on such design and location. Additionally, it has determined the level of the maximum water level in the reservoir, which was calculated floodplain for each case, through topographic data available. The construction costs and the costs of land expropriation and production were analyzed to obtain curves of the same species, these curves are opposite, adding these, the total investment cost and benefit analysis resulting in the spillway represent less relative cost, this analysis will be used to generalize the PACALORI project.