Diseño de un plan de conservación de la estructura de la capa de rodadura de la vía Picaihua – Chiquicha de la ABS 0+000 hasta 4+700 de la provincia de Tungurahua

Abstract

Due to the importance of the road that connects the parishes of Picaihua with Chiquicha, it has been necessary to improve the quality of the asphalt pavement, because it is used for the transportation of people and their products; therefore, a design of a conservation plan for the structure of the wearing course is proposed; For this purpose, a topographic survey was carried out with the RTK high precision equipment, using the Civil 3D program, a plan of the implementation of the road was obtained, then the vehicle counting station was established twelve hours a day for seven days, in which the vehicular mobility was analyzed, the future traffic was calculated with a projection of 20 years and the road was classified as a class II collector road according to the (MTOP). For the current pavement study, a visual test was used through the pavement condition index method, identifying the type of failure and level of severity. An average PCI of 60.67 percent was obtained indicating that the pavement quality is "Good". General deflections were measured using the Benkelman Beam, which allowed for the classification of the deflections present as Type I. A soil study of the road under study was also carried out, taking in situ disturbed samples for laboratory analysis. As a result, the soil was classified as silty sand, resulting in an average CBR of 36.42 percent, which belongs to a good quality subbase. Considering the results, the use of a Periodic type of maintenance plan is proposed, with a proposed budget of $34,749.77.