Examinando por Materia "Resistencia al corte"
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- PublicaciónRestringidoDeterminación de los parámetros de resistencia al corte de las cenizas provenientes del volcán Machín(Universidad de Ibagué, 2018) Vargas Martínez, Andrés Felipe; Díaz Sierra, Juan David; Rojas Rodríguez, Isabel CristinaThe Andean mountain range was formed through the collision between the Nazca plate and South America, the machín volcano is located in this mountain range (Serna, 2010), which has a significant group of snow and volcanoes along the South American continent , this chain of volcanoes and snows in turn are part of the Pacific fire belt (Serna, 2010), which contains most active and inactive volcanoes of the earth, in the areas surrounding this group of volcanoes can be found Soils formed by the weathering of volcanic ash (Serna, 2010). The machin volcano recorded its last eruption more than 800 years ago and permanently emits gases and ashes that are transported by the air and deposited in the soils near it, it is for this reason that we wanted to know the physical and mechanical properties of a sample of soil from the Morrochusco sector of the Ibagué-Cajamarca road, in order to obtain the maximum resistance to cutting, of the three ash samples of the Cerro Machín volcano by means of a direct cutting test, in order to highlight its use and the response that this land may have in response to requests for infrastructure works that are useful in the region. Keywords: resistance to cutting, machín volcano, volcanic ash.
- PublicaciónAcceso abiertoInclusiones de tereftalato de polietileno como refuerzo en estructuras de suelo(Universidad de Ibagué, 2019) Rivera Lozano, Andrés Fabián; Bedoya Correcha, Juan David; Salazar Susunaga, María Paula; Rojas Rodríguez, Isabel CristinaThis project aims to evaluate assess the degree of a low-plasticity silt soil using circular inclusions of polyethylene terephthalate (PET) fibers in order to improve the mechanical properties of the soil under analysis. In this way, through time in the civil engineering, its advances in the improvement of the soil have helped to make the structures more stable from their foundations, in the same way in the construction of roads and in the stabilization of slopes. For this reason, in this project it was decided to use polyethylene terephthalate fibers with a geometric shape in circles, with a diameter of 6 mm, handling percentages of PET in the ground of 0.3%, 0.5%, 0.8%, 1% and 1.2%. Having said the above and understanding that this material constitutes a large part of the waste produced daily because it is a material that can be found in many commonly used products, it has led to work worldwide to improve environmental conditions, for Therefore, the use of plastic waste to reinforce the soil and improve its mechanical and physical properties contributes to the environment and to the research of new materials for soil improvement. This project consists of three phases: a first phase deals with the characterization of the soil, where the respective laboratory tests were carried out and the characterization of the Polyethylene Terephthalate was continued, a second phase where the samples were already made of the material with PET inclusions.
- PublicaciónAcceso abiertoRefuerzo de estructuras terreas utilizando tereftalato de polietileno (PET)(Universidad de Ibagué, 2019) Arbeláez Varón, Juan Sebastián; Góngora Plazas, Daniel Fernando; Salazar Susunaga, María PaulaIn this project will be demonstrated the process to improve a clay soil (CH), using an experimental method that consists in including the random ones of PET to improve the mechanical behavior of the soil studied. The way to implement this material will be in the form of strips of PET recyclable material, cut to 8 cm in length, 2 mm in width and 0.5 mm in thickness. This type of plastic material is used. This material is one with a higher demand in consumption market today (angel, 1993). In order to corroborate if there is an increase in the resistance in the soil to be analyzed (CH), a sample of altered soil was taken from the Altamira farm, 3 km from the city of Ibagué. Soil samples including PET fibers will be published using 0%, 0.3%, 0.8%, 1%, 1.2% of the weight of the soil test pieces, 45 test pieces of 4 "dimensions will be prepared. high and 2 "in diameter, discretized in 15 compacted to 15 strokes, 15 with 25 strokes and 15 compacted in 56 strokes Concorde with this, 3 specimens with each percentage of inclusion of PET. As a result of this monograph, the reinforcing material in the PET fibers is obtained, improving the cutting resistance by increasing 137.24% with respect to the specimens without reinforcement.