Diseño de mejoramiento de la conducción en el tramo 3 del tronco unificado canal Compañía - San Antonio, región de Ñuble
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Date
2023
Authors
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Publisher
Universidad de Concepción
Abstract
El presente proyecto de habilitación profesional tuvo como objetivo general diseñar el mejoramiento de la conducción en el ‘Tramo 3 del tronco unificado canal Compañía - San Antonio’, en la comuna de San Ignacio, región de Ñuble. El diseño se basó en los requerimientos que contempla la comisión nacional de riego (CNR) para la Ley 18450. El levantamiento topográfico y las pérdidas por infiltración del sitio de estudio se modelaron usando los softwares HEC-RAS y Hcanales, considerando el flujo, la velocidad, larevancha y la energía presentes en los parámetros de diseño de la sección del canal. Los principales resultados mostraron que se requiere una modificación de la pendiente con series de gradas dobles, además del mejoramiento de atraviesos presentes en la longitud del canal, los cuales se diseñaron acorde a las especificaciones técnicas del manual de carreteras. Finalmente, el proyecto contempla el mejoramiento del canal, a través de un revestimiento de hormigón en todo su perfil longitudinal de 380 m, la creación de 4 series de caídas dobles las cuales favorecen una pendiente del 0.17% para así conducir el caudal de 3.45 m3 s-1 a una velocidad media de 1.6 m s-1 y 3 atraviesos de camino.
The general objective of this professional qualification project was to design the improvement of the conduction in the 'Section 3 of the unified trunk of the Compañía - San Antonio channel', in the commune of San Ignacio, Ñuble region. The design was based on the requirements of the Comisión Nacional de Riego (CNR) for Law 18450. The topographic survey and infiltration losses of the study site were modeled using HEC-RAS and Hcanales software, considering the flow, velocity, backflow and energy present in the design parameters of the channel section. The main results showed that a modification of the slope with a series of double steps is required, in addition to the improvement of crossings along the length of the channel, which were designed according to the technical specifications of the highway manual. Finally, the project contemplates the improvement of the channel, through a concrete lining along its entire 380 m longitudinal profile, the creation of 4 series of double falls which favor a slope of 0.17% in order to convey the flow of 3.45 m3 s-1 at an average velocity of 1.6 m s-1, and 3 road crossings.
The general objective of this professional qualification project was to design the improvement of the conduction in the 'Section 3 of the unified trunk of the Compañía - San Antonio channel', in the commune of San Ignacio, Ñuble region. The design was based on the requirements of the Comisión Nacional de Riego (CNR) for Law 18450. The topographic survey and infiltration losses of the study site were modeled using HEC-RAS and Hcanales software, considering the flow, velocity, backflow and energy present in the design parameters of the channel section. The main results showed that a modification of the slope with a series of double steps is required, in addition to the improvement of crossings along the length of the channel, which were designed according to the technical specifications of the highway manual. Finally, the project contemplates the improvement of the channel, through a concrete lining along its entire 380 m longitudinal profile, the creation of 4 series of double falls which favor a slope of 0.17% in order to convey the flow of 3.45 m3 s-1 at an average velocity of 1.6 m s-1, and 3 road crossings.
Description
Tesis presentada para optar al título de Ingeniera Civil Agrícola
Keywords
Revestimiento de pavimentos, Flotación