Facultad de Ingeniería Civil y Arquitectura
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Browsing Facultad de Ingeniería Civil y Arquitectura by browse.metadata.advisor "Aliaga Atalaya, Gilberto"
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Item Adición de ceniza de la cascarilla de arroz para mejorar las propiedades de resistencia del concreto en la región San Martín(Universidad Nacional de San Martín. Fondo Editorial, 2020) Arévalo Torres, Andy Fabian; Lopez Del Aguila, Luis; Aliaga Atalaya, GilbertoLa presente tesis denominado “Adición de ceniza de la cascarilla de arroz, para mejorar las propiedades de resistencia del concreto en la región San Martín” se desarrolló en la Facultad de Ingeniería Civil y Arquitectura de la Universidad Nacional de San Martín – Tarapoto. La investigación es experimental, tiene como objetivo principal adicionar ceniza de la cascarilla de arroz para mejorar las propiedades de resistencia del concreto. Los materiales usados son: cemento Pacasmayo tipo I, agregados gruesos y finos, agua potable y ceniza de cascarilla de arroz. En la investigación se diseñó f’c=175 kg/cm2 y 210 kg/cm2, se elaboró especímenes preliminares con seis porcentajes de adición, después se definió tres porcentajes de trabajo: 2%, 4% y 6%, ensayados al esfuerzo de compresión del concreto. Finalmente se determinó el porcentaje Adecuado de adición, de 2%, con la cual se ensayó el esfuerzo a flexión del concreto. Los resultados a los 28 días se mencionan a continuación: Para el primer diseño patrón, las resistencias son f’c=176.53 kg/cm2, Mr= 39.34 kg/cm2, y con adición adecuada de 2% se obtuvo f’c (2%)=177.66 kg/cm2, Mr (2%)= 41.57 kg/cm2; para el segundo diseño patrón, las resistencias son f’c=210.35 kg/cm2, Mr= 46.06 kg/cm2, y con adición adecuada de 2% se obtuvo f’c (2%)=213.82 kg/cm2, Mr (2%)= 47.83 kg/cm2, concluyendo que, el porcentaje de adición de 2%, mejora levemente la resistencia a la compresión en un 0.64% y 1.65%, para los dos diseños, y la resistencia a la flexión mejora en un 5.67% y 3.84%, respectivamente.Item Análisis estructural comparativo de la superestructura del puente Santa Rosa – San Juan de Cumbaza en el distrito de Tarapoto – San Martín(Universidad Nacional de San Martín. Fondo Editorial, 2014) Flores Arevalo, Renzo Renato; Díaz Vazquez, Juan Carlos; Aliaga Atalaya, Gilberto; Villoslada Trujillano, ManuelThis thesis has been developed in the Academic Professional School of Civil Engineering, Faculty of Civil Engineering and Architecture, National University of San Martin - Tarapoto, for purposes of certification as a Civil Engineer with the working point the Town Center Santa Rosa - San Juan de Cumbaza in the District of Tarapoto, San Martin province and region. The research was conducted in order to make comparativa structural analysis of various types of superstructures of bridges proposed to determine their behavior in a way that allows us to perform an optimizad design the bridge Santa Rosa - San Juan de Cumbaza. So is actively involved in the production of new knowledge for positiva purposes of the community and science. Fundamental concepts required in the area of Structures, Solid Mechanics, Design Manual Bridges (AASHTO LRFD) and management of the relevant literature on the subject were applied; and support of structural engineering software SAP 2000 and CSI Bridge as tools allowed us the realization of the modeling of the structure, allowing near real behavior have results. As achievements, indicated that the results obtained show clearly that is possible, from the correct application of the theory, research and convincing results, which can be presentad as an alternativa technique for calculating the superstructures that form the third proposal, that is, two sections of bridge section composed of 17 m each and a central drawer metal are type hangers with their respective section of 56 m in length. The validation of the hypothesis of this research is achieved with the comparative analysis of the three alternativas presentad in superstructures being determinants bending, cutting moments, torsional, shear forces, axial, deformation, stiffness and dynamic behavior for earthquakes that may occur and, aware of our responsibility social as part of the National University of San Martin, we are contributing to pose a solution to the problem and incidentally contribute to economic and social development of the community, and therefore of our country, in addition to ensure that our knowledge is put into practica and develop our sense of professional career.Item Análisis estructural de puentes atirantados, aplicación(Universidad Nacional de San Martín. Fondo Editorial, 2004) Villoslada Trujillano, Manuel; Aliaga Atalaya, GilbertoThis work is aimed at the study of bridges tensioned, using different methods of analysis such as the matrix, finite element and uria introduction to the plastic analysis, was used as tools the SAP2000 program, the Math Cad programming language and sheet of spreadsheet Excel for the case of lines. influence and verifications; Although the present study not plays in depth some topics as it not...: linearity of them elements structural, however shows bases for subsequent works of research. As applied to this study included the analysis of the Atumpampa bridge, located in the road Fernando Belaunde Ferry on the river Cumbaza, Morales district, province and Region San Martín, the projected bridge has a length of 84.00 meters. The novelty of - this system is to present new versions or types of bridges to save large spans, unless they require support i.ntermedios being a drawback in the rivers of...Item Diseño de concreto f’c =175 kg/cm2 y f’c =210 kg/cm2 con escombros de pavimento rígido, región San Martín(Universidad Nacional de San Martín. Fondo Editorial, 2023-09-01) Celis Hernandez, Ronaldo Manuel; Gonzales Rodriguez, Ray Randy; Aliaga Atalaya, GilbertoDiseño de concreto f’c =175 kg/cm2 y f’c =210 kg/cm2 con escombros de pavimento rígido, Región San Martín En este proyecto de tesis se determinó que las propiedades físico-mecánico del agregado grueso reciclado, agregado fino (arena del Cumbaza) y agregado grueso (piedra del Huallaga) concluyendo que estos insumos están dentro de las especificaciones técnicas descritas en la norma ASTM, al realizarse el cálculo de la dosificación empleando el Método ACI para el diseño de mezcla F’c=175 kg/cm2, se obtuvo como resultado que la relación C/A/P/A es de 1 bolsa/2.40pie3/3.20pie3/26,10lt., de las cuales se realizaron 15 probetas con un curado de 7 días las cuales alcanzaron una resistencia promedio de 153.04kg/cm2, 15 probetas con un curado de 14 días alcanzando una resistencia promedio de 166.31kg/cm2 y 60 probetas con un curado de 28 días con una resistencia promedio de 170.60kg/cm2 el cual representa un 97.48 % de su resistencia total, concluyendo que la dosificación presentada es óptima debido a que la desviación estándar es <0,05 y para el diseño de mezcla F’c= 210kg/cm2, se obtuvo como resultado que la relación C/A/P/A es de 1 bolsa/1.80pie3/2.50pie3/20,90lt., se realizaron 15 probetas con un curado de 7 días alcanzando una resistencia promedio de 133.65kg/cm2, 15 probetas con un curado de 14 días alcanzando una resistencia promedio de 158.59kg/cm2 y 60 probetas con un curado de 28 días con una resistencia promedio de 188.11kg/cm2 el cual representa un 89.58 % de su resistencia total, concluyendo que la dosificación presentada no es óptima debido a que la desviación estándar es >0,05, por lo que se necesarita un reajusten la dosificación.Item Diseño estructural optimizado de un edificio de concreto armado(Universidad Nacional de San Martín. Fondo Editorial, 2000) Del Aguila Salas, Wender; Aliaga Atalaya, GilbertoThe present work aims the analysis and design of a six-story building of reinforced concrete under the philosophy to obtain a structure with maximum safety and minimum cost. For this has been proposed three types of structures to select one whose answer has simultaneously increased strength, stiffness and economy. The structure has idealized as a three-dimensional gantry with plates. All flooring systems were modeled as diaphragms rigid taking three degrees of freedom per level. The analysis was made with the help of the programs of computer SAP90 and ETABS. It was taken as a basis of comparison to the aporticado(columnas y vigas) system, and then with the fmalidad increase rigidity, plates were added to form a dual system that provides higher strength and lower cost. He easo of the block 1 the structuring more optima turned out to be the third by have less spin and lower displacement and, for the case of the block 11, the structuring more opt...Item Las mezclas de concreto y sus resultados en la ciudad de Tarapoto utilizando el método del agregado global y módulo de finura(Universidad Nacional de San Martín. Fondo Editorial, 2003) Gonzales García, Jose Luis; Aliaga Atalaya, GilbertoThe idea of developing this thesis comes from my concern to see that in the city of Tarapoto continues indiscriminately using concrete quarry Cumbaza River, knowing that the coarse aggregate does not meet the minimum mechanical strength requirements for its use specifically stipulated by NTP 400,037. Given this reality and having reference to previous studies on this quarry, this work It aims to present a design alternative mixtures based on the combination of aggregates quarries Cumbaza River and Rio Huallaga, so that we can replace the poor quality stone by stone River Cumbaza good quality River Huallaga, and more satisfactory results obeying the limitations ele NTP. for aggregates The level chosen for the development ele this thesis is the "Method Added Global and Module Fineness "which is based on an experimental procedure, and impinges more optimization global aggregate grain size, (mixture of fine and coarse aggregate). And your application has limitations, since we can work with fine aggregate whose modules are by Finesse below permitted by most tables on mix design, and whereas the Cumbaza River quarry is characterized by low Fineness modules, this method is the recommended. This is mainly arises first determine the particle size mix more suitable stone using 1-Iuallaga River and river sand and with this elaborate Cumbaza Test specimens for three different ~ vlódulos of Finesse Global, and three relationships (Water / cement), so that to define module for Global Fineness and ratio (water / cement) are obtained more satisfactory concrete. The main statistical model used is non regression line (to correlate experimentally Compressive Strength Vs. The water Cement this purpose to determine the degree of variability between the values found experimentally, and those established by the ACI Committee 211, and IMCYC (Institute Mexican Cement and Concrete). to design concrete mixes. The hypothesis was true, since it was shown that the proposed method had substantial advantages compared to thin ACI method, especially when working with aggregates low resistance and poor particle size distribution, which is the reality of our medium, and forcing us to seek alternative design by dosing methods that allow us to optimize quality by combining aggregate quarries, and this can reduce these deficiencies. The application of this method allowed us to determine on technical grounds the combination more these two quarries suitable for use specifically with this combination we having an overall aggregate of good mechanical strength, • this given by the presence of the Stone Huallaga River, and on the other hand an acceptable overall particle size distribution. The granulometric resistant optimization we obtained by mixing these two quarries allowed us to obtain very acceptable results, as it came to strengths considerable quantities of lower compression cement those generally used in our midst. For these reasons I hope this thesis strva as another contribution in advancing and Improving Local Concrete Technology, wishing that the knowledge acquired be implemented, since only then can we achieve a significant advance in this branch of Civil Engineering.Item Propuesta de diseño de un puente de sección compuesta sobre el río Alao(Universidad Nacional de San Martín. Fondo Editorial, 2012) Bartra Cordova, Jim Vladimir; Aliaga Atalaya, GilbertoThis work is aimed at the analysis and design of a bridge of composite section, which takes place in the town of San Martín de Alao about the river that bears the same name; inaccessibility is the main problem to transport agricultural products to the markets of consumption, in this area that has been severely affected by social as terrorism and drug-trafficking problems. There is a vehicular bridge that joins the production centres, being the only transportation with mules or walk by people who have their farms in this sector and to the village of San Martín de Alao access finally crossing the river San Martin Alao; In addition, the lack of a management tool to fix it. First work with the geometry assessment began both Board, beams and brackets; It has been applied all the knowledge imparted in the University academic...Item Propuesta de un plan de seguridad y salud para obras de construcción(Universidad Nacional de San Martín. Fondo Editorial, 2010) Diaz Rojas, Nelson Armando; Alegria Arevalo, Victor Manuel; Aliaga Atalaya, GilbertoThe present work provides criteria and tools for the elaboration and implementation of a safety and Health Plan for construction, showing a work of real construction Plan as an example of application. The thesis takes as its reference the international management system of occupational safety and health OHSAS 18001, the Peruvian technical standards of safety and health in the construction such as the technical standard G.050 "Safety during construction" sector, "Standard basic of safety and hygiene in works of building" · R. S. 021-83 and the "regulation of safety and health in the work" D.S. 009-2005-tr, and is plasma in a plan concise and specific for the project "workshop for the repair of aircraft". implementation of this plan is intended to meet the requirements set out in rules as mentioned and have a better control of safety and quality applied to the construction processes of the project, in order to achieve an impact pos...Item Proyecto a nivel de ejecución de las oficinas académicas y administrativas de la facultad de ingeniería civil(Universidad Nacional de San Martín. Fondo Editorial, 2005) Yaringaño Zevallos, Luis; Aliaga Atalaya, GilbertoSince the creation of the National University of San Martin, there was need to implement the University City, through the Department of works and infrastructure, and in where is comprised the Faculty of Civil Engineering, which is already developed some environments such as classrooms, their hygienic services and their laboratories in its first stage. With the mention of project is intended to complement in part that failure to complete the flat set of the Faculty of Civil Engineering, and within them have the project of the academic and administrative offices which would bring the Faculty in considerable physical progress. Only missing by build the classroom Magna, House of force, services complementary (Cafetín) and them services hygienic and their Lab.oratorios in its second stage and some small access, with their respective gardens, that would be a prototype in joint, that would serve to develop and implement them d...Item La resistencia a la compresión e impermeabilidad de concretos con agregados reciclados en comparación de concretos tradicionales(Universidad Nacional de San Martín. Fondo Editorial, 2019) Mori Apagüeño, Hugo; Aliaga Atalaya, GilbertoEl planeta se encuentra en continuo crecimiento en diferentes aspectos, tales como industria, infraestructura, comercio y financieramente, estas acciones traen consigo beneficios a la sociedad al mismo tiempo consecuencias, a falta de medidas preventivas por las autoridades, lo mismo que deja remanentes, residuos y escombros que terminan depositados en arroyos, calles, y descampados. Si nos enfocamos en el sector construcción encontramos que los residuos de construcciones, demoliciones y otros, no son aprovechados en nuestro país. Con la finalidad de reutilizar estos recursos, se realizó un estudio científico a estos elementos reciclados, los mismos que fueron denominados en este estudio agregados reciclados. De esto se quiso comparar las resistencias a la compresión e impermeabilidad en concretos, con respecto a concretos de agregados naturales. Para desarrollar esta investigación se abordaron cuatro etapas, la primera se extrajo agregado fino natural del rio Cumbaza y se utilizó piedra chancada del rio Huallaga, además de reciclar agregados finos y gruesos de la fábrica de concreto San Martin, de construcciones en proceso y de demoliciones veredas. Segundo lugar se realizó los ensayos en el laboratorio de suelos y pavimentos en la escuela profesional de Ingeniería civil en la Universidad Nacional de San Martin – Morales, en las cuales se utilizó la NTP 339, 003,084,339,127,400. En tercer lugar, se realizó y ejecuto el diseño y curado de mezclas de los concretos CAN y CAR en el cual se utilizó la norma COMITÉ 211, Método de ACI.Y en cuarto lugar se realizó las pruebas de compresión y ensayos de permeabilidad de las probetas, posteriormente se discutió y concluyo los resultados. La investigación se realizó con el objetivo de comparar la resistencia a la compresión e impermeabilidad de concretos realizados a base de agregados naturales (CAN), con concretos realizados a base de 100 % agregados reciclados (CAR) para poder determinar su uso. Realizado los ensayos y pruebas se concluyó que el concreto realizado a base de agregados reciclados disminuye su resistencia en un 34.16 % con respecto al concreto tradicional (CAN). Además de comparar la permeabilidad, teniendo como resultado para el concreto CAN una permeabilidad de 3.63E – 08 m/s y del concreto CAR una permeabilidad de 5.95 E – 08 m/s.