Bibliographic citations
Yana, L., (2018). Estudio de drenaje pluvial para la ciudad de Cajabamba - Cajamarca utilizando los modelos hidrológicos HEC-HMS, HEC-RAS y SWMM [Tesis, Universidad Nacional de Ingeniería]. http://hdl.handle.net/20.500.14076/13424
Yana, L., Estudio de drenaje pluvial para la ciudad de Cajabamba - Cajamarca utilizando los modelos hidrológicos HEC-HMS, HEC-RAS y SWMM [Tesis]. : Universidad Nacional de Ingeniería; 2018. http://hdl.handle.net/20.500.14076/13424
@misc{renati/262646,
title = "Estudio de drenaje pluvial para la ciudad de Cajabamba - Cajamarca utilizando los modelos hidrológicos HEC-HMS, HEC-RAS y SWMM",
author = "Yana Galarza, Luis Abel",
publisher = "Universidad Nacional de Ingeniería",
year = "2018"
}
In this thesis, we study the stormwater drainage for the Cajabamba city, which is located in the Cajamarca department. In order to perform this investigation, we developed a detailed hydrological and hydraulic model by using the Storm Water Management Model (SWMM). Besides, because the city is traversed longitudinally by six ravines, we developed a hydrological model of the catchments using the HEC-HMS model and for stretches identified as hazardous we used the HEC-RAS model. The urban catchment of study has a surface of 162 ha approximately, with high slope topography and high level of soil impermeability. During the seasons of intense rainfalls, these features together with the configuration of the streets of the city cause flooding problems in the streets and the constant erosion of a highway that connects four communities. The situation is even more complicated due to the localization of the buildings on the main channels of the streams, turning this in a kind of closed conduit for several important stretches of the city. A major disaster occurred in 2002, where the mudslides of the Ysmayacu’s ravine blocked a stretch (which is currently covered by buildings) of the city causing serious damages to the main commercial area, several homes and a great economic losses. In view of this situation, we proposed to study the six ravines to identify the danger zones and properly locate the weir of the stormwater drainage system. We also presented a methodology for the study of the flow in all the streets of the city, and the design of the stormwater drainage system, which was modeled using the SWMM software where a dynamic modeling is possible and all the Saint-Venant equations are solved, taking into account the temporal variation of the rainfall and the non-uniform flow. The results allowed to simulate adequately the behavior of the flow in the ravines and streets of the city, being coherent with the reality. It was possible to perform the analysis of several scenarios in a fast way and design an adequate urban stormwater drainage system, under the Peruvian and international standards of stormwater drainage design. Furthermore, the quantities of material were included in order to formulate the costs and budgets.
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