Ingeniería Civil y Mecánica

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Start date: 2021Subject: search.filters.subject.DEFLEXIONES

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    Evaluación de la estructura de la capa de rodadura de la vía La Merced en el tramo km 0+000 al km 4+200 del cantón Pujilí de la provincia de Cotopaxi
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil., 2025-02) Arteaga Pazmiño, Héctor Andrés; Cañizares Proaño, Byron Genaro
    The road connecting Pujilí canton, specifically in the La Merced neighborhood, from kilometer 0+000 to kilometer 4+200, is in a considerable state of deterioration, negatively affecting both road safety and traffic flow. This situation poses an increasing risk to users and hinders efficient transportation in the area, making it imperative to implement corrective actions. To address this, a comprehensive road maintenance and conservation plan has been developed. This plan includes a detailed analysis of vehicular traffic, a superficial and structural evaluation of the pavement, a proposal for a pavement structure tailored to current and future needs, and the preparation of a referential budget. According to the vehicular traffic study, the Annual Average Daily Traffic (AADT) is recorded at 1,841 vehicles per day, with a projected increase to 3,398 vehicles per day by 2044, highlighting the urgency of immediate intervention. Additionally, the pavement evaluation revealed an average Pavement Condition Index (PCI) of 58, indicating irregular conditions that necessitate maintenance. The plan proposes specific interventions for the identified sections, including milling and cleaning of the terrain with removal of the vegetative layer. The total estimated cost for these works is $516,582.04 (five hundred sixteen thousand five hundred eighty-two dollars and four cents). Once implemented, this project will not only improve the structural and functional conditions of the road but also enhance user safety, promote more efficient traffic flow, and facilitate road maintenance management by the Decentralized Autonomous Government of Pujilí canton. Furthermore, these actions will contribute to the socio-economic development of the region by providing safer and more sustainable transport infrastructure.
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    Evaluación visual y estructural del pavimento de la vía que va desde la intersección con la Troncal de la Sierra (e35) a la comunidad Galte Chine Pungo, en el tramo km 0+000 hasta km 4+000, de la parroquia Palmira, cantón Guamote, provincia de Chimborazo
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-08) Rueda Barahona, Francis Joel; Nuñez Aldaz, Galo Wilfrido
    The surface and structural evaluation of the pavement of the road that runs from the intersection with the highland trunk road (e35) to the Galte Chine Pungo community was carried out due to the different physical (potholes, cracks) and visual (lack of lights and ethical signs) problems that affect the safety and comfort of users. The experimental work began with the extraction of samples through the elaboration of calicatas one per km. This was followed by the collection of field information such as vehicle counts to determine vehicular demand, the characteristics of the subgrade material based on granulometry tests, Atterberg, Proctor and CBR limits, then the surface condition of the road was determined by visual inspection of the PCI and the structural condition of the road by determining the deflections using the Benkelman beam. As a result, once the field data and laboratory tests were processed and analyzed, it was determined that the most appropriate intervention for the track under analysis is periodic maintenance, since type I deflections and an average PCI of 54.07 were determined. Finally, a reference budget was prepared to carry out the proposed maintenance plan with a final value of $87.813,97 as of the date of publication.
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    Evaluación del proceso de conservación de la estructura del pavimento asfaltico de 4,2 km de la vía Cunchibamba - San Andrés
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-08) Aguilar Salazar, David Salomón; Aldás Sánchez, Milton Rodrigo
    An analysis of the current situation of the Vía Cunchibamba – San Andrés was carried out due to its intense commercial and tourist activity, which has caused a notable deterioration in its surface. Given this circumstance, it will be deemed necessary to examine the deficiencies and condition of the road, identifying the most worn areas and critical problems, in order to propose a maintenance plan that guarantees safe and comfortable circulation. A research process was initiated to carry out a georeferenced topographic survey, collecting 550 points. Then, a vehicle count was carried out for 12 continuous hours over 7 consecutive days, determining the projected TPDA and TPDAf for 20 years, considering the road as a Class II Collector. Next, the soil was studied using granulometry tests and Atterberg limits, making pits of one cubic meter for each kilometer and in the initial Abscissa, the California Support test, obtaining an average of 20.43 percent, classifying it as a subgrade quality from Fair to Good and Excellent. In addition, a deflection analysis was carried out in the rolling layer using the Benkelman Beam, showing type I deflections. Finally, the Pavement Condition Index method was used, identifying existing faults on the road to carry out the respective maintenance plan and a reference budget for conservation so that the road can be in an optimal state for its use.
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    Elaboración de un plan de mantenimiento y conservación vial desde la intersección de la vía e491 con la calle Guayaquil abscisa km 0+000 hasta el sector san pablo abscisa km 4+000, de la parroquia rural santa rosa del cantón Ambato, provincia de Tungurahua
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-08) Romero Cedeño, Genesis Nayeli; Muyulema Muyulema, Danny German
    The road that connects the intersection of E491 with Guayaquil Street to the San Pablo sector, in the Santa Rosa parish, Ambato, presents significant deterioration that affects road safety and the fluidity of traffic. To address this problem, a comprehensive road maintenance and conservation plan has been developed that considers a vehicular traffic study, a surface and structural evaluation of the pavement, the design of an appropriate pavement structure and the estimation of a reference budget. The vehicular traffic study determined a current TPDA of 3196 veh/day, with a projection of 5883 veh/day for the year 2044. The pavement evaluation revealed an average PCI of 48, indicating a fair condition. Based on these results, three types of necessary interventions were identified: milling in the first section, complete reconstruction in the second section and land clearing with removal of the vegetation layer in the third section. A pavement structure was designed with a thickness of 5 cm for the asphalt layer, 15 cm of granular base and 20 cm of granular subbase, complying with AASHTO 93 regulations and considering the projected traffic. The total budget for the implementation of the maintenance plan is $496,751.15. As a result, the implementation of the road maintenance and conservation plan will improve road conditions, increase user safety, and optimize road maintenance management by the Santa Rosa parish GAD.
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    Elaboración de un plan de mantenimiento vial de la calle Pedro Fermín Cevallos en el tramo 0+000 km y 2+000 km; y de la vía Cevallos – Totoras en el tramo 0+000 km y 2+000 km, cantón Cevallos, provincia de Tungurahua
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-08) Chango Luisa, Alex Dario; Bayas Altamirano, Myriam Marisol
    A well-maintained road system is essential for the development of a society, in addition to offering comfort and safety to the user. A road maintenance plan was drawn up for Pedro Fermín Cevallos street, section 0+000 km and 2+000 km; and for the Cevallos – Totoras Road, section 0+000 km and 2+000 km. To comply with the project, the abscission of the sections was carried out every 20 meters considering two extreme axes and one central axes, obtaining a total of 603 points that were subsequently georeferenced; the TPDA was determined; once the sampling units were calculated, the pavement condition index was evaluated through the PCI test and the evaluation of the structure with the Benkelman Beam test. Soil samples were extracted every kilometer and their physical and mechanical properties were determined in the laboratory, with the following tests: granulometry, Atterberg limits, Modified Proctor Type B and CBR. The data were tabulated and it was determined that, for the TPDA, the day with the highest vehicular traffic was Thursday with 679 vehicles; for the PCI evaluation, conditions were between good and regular, for which periodic maintenance is recommended. Regarding the Benkelman Beam test, a Type I deflection resulted for the study sections and in the CBR test, results between 14.53 and 38.59 percent were obtained. Finally, considering the results of the PCI test, a maintenance plan was proposed with a reference budget of 121,777.47 US dollars.
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    Diseño de un plan de conservación de la estructura de la capa de rodadura de la antigua panamericana Lasso ABS 317+000 – 322+000 de la provincia de Cotopaxi
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-02) Cárdenas Llumitasig, Luigui Fernando; Chérrez Gavilanes, Diego Sebastián
    This research project is based on the lack of conservation management of the old PanAmerican Highway E35 in the Lasso sector; the road has different anomalies in the pavement, which, if not maintained in a timely manner, would cause inconveniences to the population of the sector. In the study of the structure of the wearing course, a georeferenced survey of the road was carried out with the help of GNSS RTK HI-TARGET V30 equipment, a volumetric traffic count, evaluation of the physical components present on the road, field and laboratory tests to determine the pavement structure and soil composition, and a visual inspection to determine the level of damage to the wearing course and its structural behavior. These analyses made it possible to determine the traffic performance of the road, classifying it as an RI - RII (2) Arterial Corridor. The average CBR was also calculated at 66.6 percent, which classifies it as good, suitable for base use. The soil composition shows a high content of poorly graded sands, a wearing course that is rated as good with an average PCI (Pavement Condition Index) score of 64.65 points. The Benkelman beam shows Type I deflections, which correspond to adequate structural behavior. As a result, a conservation plan for the road is proposed based on the current damages evaluated in the structure of the wearing course, offering solutions for a correct rehabilitation, conservation and maintenance of the road.
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    Evaluación superficial y de la estructura del pavimento de la vía Quero – Mocha abscisa 4+300 - 8+600, ubicada entre los cantones Quero y Mocha de la provincia de Tungurahua
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-02) Toaquiza Licta, Jenny Paulina; Moreira Cedeño, Fricson Lutgardo
    The significance of the Quero-Mocha road lies in its crucial role connecting two cantons with prominent agricultural production in the Tungurahua province. Activities such as traffic counting and a thorough analysis of the subgrade and granular material, accompanied by a detailed evaluation of the pavement layer, were carried out in this context. A quantitative, qualitative, and descriptive methodology guided by ASTM, AASHTO, MTOP standards was employed. Data on both surface and structural deficiencies were collected through laboratory and field studies, including activities such as TPDA, surface deflection revealing acceptable behavior. Using the PCI method, the need for periodic maintenance, rehabilitation, and reconstruction on the road was determined. The DCP test with a field CBR of 21.055 percent was conducted. Soil samples were extracted through pits every kilometer along the road. Results unveiled that the subgrade consists of non-plastic fine sand A-3, and the granular material features a composition of rock fragments, gravel, and sand A-1-b, both classified as excellent too good. A CBR of 24.15 percent was obtained for the subgrade, crucial data for generating the maintenance plan. As a result, a maintenance plan was devised to ensure the optimal condition of the road, with a reference budget of $462,218.55. Laboratory analyses identified the road materials, considered to optimize construction costs.
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    Evaluación superficial y de la estructura del pavimento de la vía Pelileo – Guayaquil abscisa 0+000 – 4+580, ubicada entre los cantones Quero y Pelileo de la provincia de Tungurahua
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-02) Toaquiza Licta, Jonathan Freddy; Moreira Cedeño, Fricson Lutgardo
    The Pelileo-Guayaquil highway connects the Quero and Pelileo cantons, and its analysis is truly crucial. So far, no previous study has been conducted on this road, leading to the proposal of a road maintenance plan. Both qualitative and quantitative research methods were employed due to the analysis of the physical components of the structure. The process began with a traffic count, obtaining the value of the Average Daily Traffic (ADT) and Projected Traffic. Samples were taken from the subgrade and granular part of test pits, with 1 cubic meter samples for every kilometer. These samples underwent tests such as gradation, Atterberg limits, Modified Proctor, and California Bearing Ratio (CBR). According to the MTOP-2002 classification, the road was identified as a medium-capacity C1-type highway. Subsequently, the pavement was analyzed using the PCI method, revealing that the road is in a "Good" condition. Pavement deflections were moderately good, and a fine sand A – 3 was obtained with an average CBR of 28.475 percent, indicating excellent suitability for the subgrade. Similar tests were conducted on the granular part, categorizing it as a Base Class 4 with an average CBR of 87.73 percent. The abrasion test resulted in an average value of 38.43 percent, indicating an "Excellent" rating for the base. Finally, a road maintenance plan was established, which can be executed with a budget of $208,533.13. This information will be valuable in understanding the physical components of the pavement structure.
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    Implementación de un plan de conservación y mantenimiento de la vía Artezón Valle Hermoso, desde la abscisa 4+100 hasta la abscisa 8+264, ubicado en el sector Artezón, cantón Pelileo de la provincia de Tungurahua
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-02) Paredes Urgiles, Alfredo Alexander; Moreira Cedeño, Fricson Lutgardo
    It is important to have a proper maintenance in the road network of a country, because this network with the passage of time is deteriorating according to the existing traffic, as well as other physical and environmental agents that decrease their serviciabiliad, this is how the road infrastructure brings several benefits for the development of a community in social and economic areas. For this reason, in the province of Tungurahua, Pelileo Parish, Artezón Valle Hermoso Sector, a field and laboratory study was carried out to find structural failures, with the objective of proposing a road maintenance plan; thus, through a vehicle count, the current and future traffic was determined, classifying the section as a Type I collector road, on the other hand, through the use of the PCI method, the current physical condition of the pavement was categorized, obtaining a Very Bad rank. A structural analysis was also carried out through the Benkelman beam where the deflections of the road infrastructure were analyzed, categorizing them as Type III where the level of damage was found in the wearing course, in response to the results it was determined that the section needs reconstruction, for this reason, a study of the properties of the soil was carried out to determine the design CBR. Finally, with the results obtained, the pavement structure was designed and a reference budget of $455,406.72 was proposed based on the items and technical specifications included in this project.
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    Evaluación visual y estructural del pavimento de la vía que va desde la intersección con La Troncal de la sierra (E35) a la comunidad Galte Chine Pungo, en el tramo km 4+000 hasta km 8+000, de la parroquia Palmira, cantón Guamote, provincia de Chimborazo
    (Universidad Técnica de Ambato. Facultad de Ingeniería Civil y Mecánica, Carrera de Ingeniería Civil, 2024-02) Asitimbay Mullo, Jennifer Mishell; Moreira Cedeño, Fricson Lutgardo
    A properly maintained road network system is essential to extend the useful life of a road, provide a high level of serviceability, comfort and safety to the user. For this reason, it was necessary to visually and structurally analyze the pavement of the road that goes from the intersection with La Troncal de la Sierra (E35) to the Galte Chine Pungo Community, in the section KM 4+000 to KM 8+000, recognizing the present faults and the interpretation of pavement deflections to propose a road maintenance plan appropriate to its conditions. The development of this experimental work was divided into three main phases: in the first, the samples for testing were extracted, the traffic volume, the Pavement Condition Index and road deflections were determined; In the second, the data obtained from the field were processed to determine the TPDA, the number of equivalent axles, the condition of the track by calculating the PCI and the deflections; In the last one, a road maintenance plan was proposed with its budget. The methodology used was generally quantitative because mathematical processes were used. As a result, type I deflections were obtained with a subgrade and a pavement with good behavior, the average PCI was 78.28 points, therefore it is a road in good condition that needs routine maintenance and a reference budget of $104,337.93.