Search
Now showing items 1-10 of 95
Municipal energy management model for Cuban first level municipalities
(Journal of Engineering Science and Technology Review, 2018-12-29)
The Government of Cuba proposed in the year 2011 an update of the economic and social model, where the management
of energy is an element of influence in the economy of the country. This led to the approval of a policy ...
Comparative assessment of corrosion of concrete reinforced with unprotected steel and hot-dip galvanized steel
(Revista de la Construccion, 2017)
Increasing the lifespan of structures is of great importance for civil construction, either because of economic aspects or security to the users. Corrosion of reinforcement is one of the most recurring problems, especially ...
Experimental method for investigation of impact of the addition of polymer fibers on drying shrinkage and cracking for concretes
(Structural Concrete, 2019-12-08)
This study presents an investigation of a fiber-reinforced concrete (FRC) with use
of fibers of polypropylene, polyvinyl alcohol, and recycled polyester in the amount
of 0.50%, seeking to analyze the impact of the fiber ...
Multifaceted processes controlling the distribution of hazardous compounds in the spontaneous combustion of coal and the effect of these compounds on human health
(Environmental Research, 2018)
Pollution generated by hazardous elements and persistent organic compounds that affect coal fire is a major environmental concern because of its toxic nature, persistence, and potential risk to human health. The coal mining ...
Obese rats are more vulnerable to inflammation, genotoxicity and oxidative stress induced by coal dust inhalation than non-obese rats
(Ecotoxicology And Environmental Safety, 2018-08-26)
Obesity is an important nutritional disorder worldwide. Its association with environmental pollution may trigger an increase in oxidative stress and inflammatory parameters. Coal is a resource used throughout the world as ...
Number Concentrations And Size Distributions Of Nanoparticles During The Use Of Hand Tools In Refurbishment Activities
(Journal Of Nanoparticle Research, 2018-09-17)
Hand tools, such as a sledgehammer, are widely used in refurbishment activities; nonetheless, there is very little knowledge on nanoparticle generation. We measured particle number size distributions (PSDs) and concentrations ...
In-Situ Analytical Study Of Bricks Exposed To Marine Environment Using Hand-Held X-Ray Fluorescence Spectrometry And Related Laboratory Techniques
(Spectrochimica Acta - Part B Atomic Spectroscopy, 2018-04-30)
In this work, the degradation processes that take place in bricks exposed to marine environments have been studied. Taking into account the importance of this building material where the silicates present in the final ...
Composition And Porosity Study Of Original And Restoration Materials Included In A Coastal Historical Construction
(Construction and Building Materials, 2018-05-22)
The materials used for the building constructions can suffer during their life numerous deterioration processes induced by different anthropogenic and natural factors. For this reason, optimal restoration works are vitally ...
Determination Of Volume And Distribution Of Pores Of Concretes According To Different Exposure Classes Through 3D Microtomography And Mercury Intrusion Porosimetry
(2018-06-26)
Diagnosing and understanding the properties of concrete structures allows its use in more effective ways that neither compromise application nor impose safety risks or waste materials. Several tests can be performed for ...
Are children playgrounds safe play areas? Inorganic analysis and lead isotope ratios for contamination assessment in recreational (Brazilian) parks
(Environmental Science and Pollution Research, 2017-09-09)
In city playgrounds, there is a potential risk of harming children’s health by contamination coming from anthropogenic activities. With the aim to determinate the sources and the risk of hazardous elements, soil samples ...