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Publications (118)
Anthropogenic heat (QF) is one of the parameters that contributes to the urban heat island (UHI) phenomenon. Usually, this variable is studied holistically, among other anthropogenic flux such as industrial, vehicular, buildings, and human metabolism, due to the complexity of data collection through field measurements. The aim of this paper was to...
Innovations are being developed with different additives in concrete mixtures to enhance their performance under certain conditions. This work models the split tensile strength through the electrical resistivity using a machine learning (ML) algorithm in different concrete mixtures. One of the most frequent non-destructive tests used on concrete is...
Se analizaron modificaciones presentadas por distintos estabilizadores (cal, cemento, fibra de nopal, líticos de río, líticos volcánicos, sulfato de sodio y yeso) en propiedades y envolvente de falla de un suelo arcilloso natural remoldeado de Santiago Undameo, en Michoacán, México. Al suelo arcilloso se le realizó granulometría, hidrometría, prueb...
This work presents a new approach for resilience assessment in road transport routes interrupted by natural causes (rain, earthquakes) as well as by human influence (accidents). In this way, by knowing the state of preservation of the elements located within a road, particularly bridges, it will be possible to identify which are those with the high...
La estabilización de suelos arcillosos con cal fue una técnica usada en civilizaciones antiguas para hacer caminos y pisos en edificios, debido a que se modificaba era más trabajable, se obtenía más dureza, y contribuía a la higiene. Actualmente existen diversos tipos de cales en el mercado, la más conocida es la cal de construcción es la que se ut...
El presente trabajo de investigación muestra los avances realizados a partir del proyecto DBMC 2020 en el estado de Michoacán, México, respecto al estudio y análisis de la vivienda vernácula y el patrimonio arquitectónico monumental de la región. A partir de una metodología interdisciplinar de estudio se combinaron el trabajo de campo en comunidade...
En el ámbito de la construcción de tierra, se tienen como antecedentes estructuras y conjuntos de gran antigüedad, que forman parte del patrimonio cultural; también se encuentra todos ls tipos vernáculas, para la edificación de viviendas con materiales tradicionales y disponibles en el contexto local. Hoy en día se tiene por correcta la apreciación...
La especie de bambú Otatea fimbriata Sonderst es endémica de la región de Suchiapa Chiapas, México y se propone como recurso constructivo de vivienda rural. Con el fin de determinar el efecto de la altura y presencia de nudos en el culmo en sus propiedades mecánicas, se prepararon 180 especímenes de bambú considerando las secciones inferior, media...
The 2017 Puebla Earthquake on September 19 struck a big part of México causing the loss of historic buildings in several states, being the state of Morelos one of the most damaged in the whole country. Jojutla de Juarez was the most affected locality of Morelos presenting important structural damages or total collapse in the built heritage, being t...
This paper presents a comparison of six index properties collected during durability inspections of five Mexican seaports. Typical durability indicators such as compressive strength, saturated electrical resistivity, ultrasonic pulse velocity, percent total void content, capillary porosity, and chloride concentration profiles were analyzed to obtai...
There are many different ways to estimate whether a concrete structure will be suffering corrosion degradation as experimental processes and numerical estimations relied on theoretical equations. Nevertheless, these estimations require higher certainty and satisfactory estimation accuracy. Deep Learning is causing profound changes in society. It ha...
The present research work shows the effect on the carbonation of Portland cement-based
mortars (PC) with the addition of green materials, specifically residues from two groups: agricultural
and industrial wastes, and minerals and fibres. These materials have the purpose of helping with the
waste disposal, recycling, and improving the durability of...
Synopsis: Artificial Intelligence has one of the most efficient methods for solving engineering and materials problems because of its impressive performance and can reach higher accuracy. The Deep Learning theory is an approach based on Deep Neural Networks for establishing numerical analysis and value predictions. This paper proposes a fresh appro...
This work aims to study the prediction of bearing capacity of prestressed concrete beams subjected to accelerated corrosion process using Machine Learning (ML) techniques. After data collection, the results were used to model the behavior of flexural stress, and predict their final load capacity, considering position, length, and width of the crack...
Desde tiempos remotos el ser humano ha empleado diversas formas de iluminar los espacios que habitaba, inicialmente para protegerse y en la actualidad para continuar realizando actividades propias del día. Sin embargo, la iluminación en las casas-habitación y edificios públicos entre ellos las escuelas no presentan los niveles adecuados, lo que pue...
En esta investigación se presenta la nueva versión del Sistema de Información Climática para el Diseño de Carreteras (SICliC), el cual es una plataforma tecnológica con base en un visualizador Web, mediante la cual los diseñadores/calculistas de carreteras podrán contar con información y datos que les serán útiles en el diseño de los diferentes ele...
Materials play a fundamental role in any branch of civil engineering. From ancient times to the present day, society has required enormous amounts of construction materials, which implies an excessive exploitation of the natural environment. The present research work consisted in the design and development of asphalt mixes with a partial substituti...
The use of industrial waste in civil engineering applications constitutes a potential innovative effort to reduce environmental degradation and enable a sustainable use of natural resources. This paper reports a comprehensive laboratory study that was performed to evaluate the rubber granulates from End-of-Life Tyres (ELTs) as a lightweight backfil...
ABSTRACT: Adobe dwellings are the most representative constructive typologies of the traditional architecture and local culture of Mexico. In the last decades, these systems have been abandoned and displaced by modern materials and techniques, a situation enhanced by the recent seismic events, especially the ones which struck the country in 2017. T...
Nowadays, society faces a catastrophic problem related to respiratory syndrome due to the coronavirus SARSCoV-
2: the Covid-19 disease. This virus has changed our coexistence rules and, in consequence, has reshaped
the daily activities in modern societies. Thus, there are many efforts to understand the virus behaviour in order to
reduce its negativ...
The flexural strength is a critical parameter for designing many concrete structures such as rigid pavements, beams, and bridges. The standard test for concrete is the compressive strength due to its ease of implementation. There are many proposed methods for estimating flexural strength values with enough accuracy, although it is necessary to enha...
Adobe masonry is one of the oldest construction systems still in use today, Mexico has an enormous cultural heritage with traditional adobe houses being very representative of the rural communities and their culture. The 2017 Puebla Earthquake on September 19th struck the country causing the loss, destruction, and damage of historic buildings in se...
Research work was carried out on rocks obtained in the municipality of Tlalpujahua Michoacán, located in different quarries of stone material, classifying the name of the quarry with the name of the community where the stones are located: “El moral” stones of bronze (BR) and golden (D) color, “la américa” stones of gray (G) and pink (R) color, “lla...
Nowadays, the solid residues of concrete are considered waste, and this has been transformed into an environmental problem. This study analyzes the use of aggregates that comes from the concrete demolition process in order to create recycled concrete. The use of this material reduces costs and mitigates pollution. The present research describes the...
Nowadays, the use of additions in the concrete blends to improve its behavior is increasingly noticeable. The present research describes the effect of adding a polymer to a concrete blend of materials belonging to the zone of Morelia, Mexico. The polymer is an organic starch gained commercially, and it was added at a 2 percent per cement weight. Th...
Tm³⁺-doped TiO2 nanocrystalline powders (in the range from 0.0 to 6 at. % of Tm³⁺) were synthesized by the sol-gel method at 500 °C. Structural, optical and photoluminescence properties were characterized by X-ray diffraction, transmission and scanning electron microscopy (TEM, SEM), UV–vis spectroscopy and photoluminescence spectroscopy. From XRD...
El uso de materiales para la construcción ha ido en aumento en los últimos años, buscando alternativas de adiciones que sean capaces de modificar la estructura de los materiales para obtener comportamientos que sean compatibles con el cuidado del medio ambiente, así como el aumento de la durabilidad [1]. La mayoría de la infraestructura existente e...
La presente investigación tiene como objetivo comparar los impactos ambientales asociados a la producción de 1m3 de concreto reciclado (CR) con respecto al concreto convencional (CC), con especificaciones f´c=35MPa, relación A/C= 0.48 y revenimiento de 10cm y agregados de la región de Morelia, Michoacán. La metodología de evaluación de impacto ambi...
La industria de la construcción es una parte fundamental para el desarrollo de cualquier nación por lo tanto durante su proceso y posteriormente al final de su vida útil los residuos generados por esta infraestructura son muy grandes por lo que se ha convertido en un problema de contaminación ambiental, por lo que con esta investigación se busca la...
Los materiales pétreos se emplean en casi todos los procesos de edificación en la ingeniería civil. Las rocas se pueden utilizar como elemento estructural, como elemento decorativo, o como agregado pétreo en la elaboración de mezclas de concreto hidráulico y elaboración de mezclas asfálticas. Por todo lo anterior el estudio y uso de este material s...
The inclusion of additions to concrete blends helps to improve performance in certain conditions. The analysis of two concrete blends was performed, a blend with the addition of a natural organic polymer and a control blend to make predictive models and find a correlation. Tree tests were performed: Electrical resistivity (Er) test, Tensile strengt...
The study of durability is very important because buildings are expected to last; since durability is attributed to the materials used in construction, the study of such materials is required. Among them, stones play a fundamental role as part of the structures, as well as stone aggregates in the elaboration of asphalt blends and concrete blends. B...
The creation of sustainable hydraulic concrete from the use of waste materials, such as PET bottles, whose performance is better than the conventional concrete, has been a great challenge worldwide within the construction industry. This article shows a study on the application of PET fibers resulting from the recycling of post-consumer bottles, whi...
In the restoration field and the cultural heritage, the treatment of colour is very important, being an important factor for the decisions and interventions in historic buildings. However, some of these have not the same recognition and protection by authorities, being really vulnerable, especially against natural phenomena like the earthquakes. Af...
Restoration works for the cultural heritage in México have commonly used traditional materials, being the slake lime one of the main solutions employed. Nevertheless, other lime products have not been studied or applied in patrimonial works. The main objective of this research was to verify if high purity limes can be used as an alternative for res...
Los materiales granulados producto de la trituración de los neumáticos fuera de uso (NFU´s) presentan en general grandes ventajas en aplicaciones en obras de ingeniería civil, esto se debe a su bajo peso específico; elevada permeabilidad; mayor resistencia a la degradación en comparación con materiales convencionales. En todos los casos es necesari...
The 2017 Puebla Earthquake on 19 September struck a big part of central Mexico causing the loss of historic buildings in several states, being the state of Morelos one of the most damaged in the whole country. Jojutla de Juarez was the most affected locality of Morelos presenting important structural damages or total collapse in the built heritage,...
The city and its behavior in the transfer of heat, generates lines of research that study phenomena such as the Island of Urban Heat (ICU); Within its formation factors, the heat expelled by the vehicle is the least analyzed in the literature. Thanks to the Computational Fluid Dynamics (CFD) software and its validation with measurements in the fiel...
This document describes the procedure to calculate the LST (Land Surface Temperature). The series of steps and equations is described using the thermal bands offered by the LandSat 8 satellite and the ArcGIS program tools. Although there are other methods and tools this procedure explicitly breaks down the use of information.
. Banks of stone materials from Michoacán, Mexico were characterized, since they are used in the construction of infrastructure in the area. With these materials are made hydraulic concrete mixtures or asphalt mixtures, foundations, paving stones and in restoration of historical monuments. The rocks analyzed and characterized, come from banks of vo...
This research is focused on cement pastes with w/c ratio of 0.5. The cementing material is Portland cement type II. The main aim is to estimate the mechanical properties based on non-destructive tests such as ultrasonic pulse velocity, and electrical resistivity by a correlation with the destructive tests such as compressive strength, flexural stre...
Nowadays, one of the biggest problems is the environmental contamination, which is attributed to a great variety of factors, among which is the construction, because one of the main synthetic materials most used is concrete, artificial material consisting of portland cement, fine aggregates, coarse aggregates and water, in the production and proces...
The following investigation was carried out with the objective of characterizing a concrete added with an emulsion based on reused polystyrene. The tests that were carried out for this characterization are: compression resistance, resistivity and ultrasonic pulse speed, in addition to the proper characterization of the stone material. A control mix...
Foamed bitumen improves the properties of base layer, increasing the number of equivalent axles allowed, as result of this is a durable pavement. To achieve this, base layer’s design must count with an amount of filler, to increase the stony aggregate fraction. This research consists with two different types of filler, lime and cement, 1% in dosage...
The use of better materials is essential for the development of a country, that is why in this work we analyze a mixture of cement-based mortar with an addition of mucilage from a plant called Maralfalfa, said plant is used as feed for cattle and it is thought that its hydrate content can improve the water-cement reaction. Two mixtures were made, o...
Limestone is one of the most ancient construction materials that exist, however it has become obsolete over the last decades, being replaced by industrial materials like cement. It must be considered that not only the construction lime can be used in works, but the limestone industry can provide other products like high purity lies The research abo...
The complexity of the urban environment and its undeniable connection with the energy balance equation opens the doors for researchers to understand phenomena such as the Urban Heat Island (UHI). The least studied factor of the UHI is vehicular anthropogenic heat. Using Computational Fluid Dynamics (CFD) software, the aim is to understand the therm...
p>En el presente artículo, se describen los resultados de un proyecto de investigación llevado acabo para caracterizar las propiedades fisicoquímicas de cinco tipos de roca volcánica (riodacita), comúnmente conocida como "cantera", tradicionalmente utilizada para la construcción y restauración de edificios históricos en la ciudad de Oaxaca, México....
Esta investigación buscó incrementar el comportamiento mecánico a compresión simple y a flexión de
un concreto con la adición de fibras de cabello humano el cual es un residuo con propiedades resistentes
que se puede aprovechar como adición en la elaboración de mezclas de concreto hidráulico y así
mejorar las cualidades en pavimentos hidráulicos. P...
La estabilización de suelos con cal fue una técnica utilizada por civilizaciones prehispánicas para la consolidación de los pisos de vías públicas, y en años recientes se ha perdido el uso por la llegada del cemento desplazando este sistema constructivo a base de tierra. En los últimos años las investigaciones de la cal han comenzado a tener mayor...
This work investigates the feasibility of the use of high temperature pozzolan such as metakaolin (Mk) and other industrial waste, such as coal gangue without burned, mortars were made with the aim of improving, through various dosages, their physical and mechanical properties and durability. Mortars were subjected to destructive tests as well as n...
Field measurements were made in an urban canyon, located in the center of the City and Port of Veracruz, Mexico, where higher temperatures are compared to its surrounding areas. Research focused on better understanding the behavior of the microclimates of a city and its impact on thermal comfort. Temperature (T) and Relative Humidity (RH), are the...
Materials play a fundamental role in any branch of civil engineering. From ancient times to the present day, society has required enormous amounts of construction materials, which implies an excessive exploitation of materials that come directly from nature. This paper explains the main differences, similarities, benefits and characteristics of the...
The use of dehydrated fibres of cactus, Opuntia ficus-indica (FN), and starch (corn starch,Zea Mays (MZ)) as partial substitutes for the total mass of Portland Cement (CP) in the making ofmortar, aims at modifying its physical and mechanical properties, reducing the amount of cementand the CO2 emission. Four mixtures of CP mortar were designed inco...
This work shows the results carried out by mixtures of Portland cement mortars with twoadditions: ash brick ovens (CELU) which acting as pozzolan, and ground expanded perlite (PEM)as filler. The objective of this research is to determine whether by adding a pozzolan and fillermixtures base Portland cement is possible to increase physical and mechan...
The objective of this investigation was to quantify the colorimetric values of clay with different types of additives. Aesthetic appreciation, based on the color of clay with different addition percentages (by clay mass), is explored using clay from the Santiago Undameo Bank, Mexico. The clay was kaolinite, and the additions were gypsum, lime, opun...
The objective of this investigation was to quantify the colorimetric values of different clays with some additions. Exploring the aesthetic appreciation, based on the clay color, of different additions percentages (by clay mass) with Santiago Undameo Bank, Mexico, clays as main matrix. Clay was kaolinite and the additions were gypsum, lime, opuntia...
The present research deals with the feasibility of using high-temperature pozzolans such as Natural Perlite (NP) and Expanded Perlite (EP), different dosagues of additions were made to mortars in order to perform their mechanical properties. Mortars were subjected to destructive tests in hardened state: compression, tension, flexion and adhesion st...
This paper reports a study carried out to evaluate the effects of corrosion inhibiting admixtures, calcium nitrite and disodium tetrapropenyl succinate, in combination with supplementary cementitious materials, fly ash and silica fume Portland cement, on the compressive strength and certain durability properties of high performance concrete. Mixtur...
En el presente trabajo se analizaron las variaciones de color de mezclas de mortero base cal con adiciones de materiales como: arcilla, ceniza de ladrillo, polvo de ignimbrita y fécula de maíz; comparando dichas adiciones con un mortero testigo de cal-arena. Para cuantificar el color, se midieron las coordenadas colorimétricas, expresadas en funció...
Cement industry is responsible of 5-7% of CO2 emissions to the atmosphere. This is preoccupant because this is one of the greenhouse effect gases which cause global warming. Pozzolanic material incorporation in cement mortars elaboration represents a good alternative to partially substitute cement, since its chemical composition could contribute to...
Nowadays, most of the infrastructure building has inside its structural elements stony material. Over the years, the rocks have been widely used in construction, as stony material in a ceramic or cement matrix, or as a structural element in historical buildings. Physical characteristics are determined as: the present Humidity, Absorption, Density,...
In this research, we prepared cement-sand mortars and cement-water paste with partial substitutions associated to cement weight. We used ash coming from wood burnt to firing red brick. The objective is to determine the probable pozzolanic activity in cement matrix. We employed five different proportions of ash to make mortars. We studied the substi...