May 18, 2013Previous pages
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The volcanic ashes fallen last year from the volcanic complex Puyehue - Cordón Caulle also has a positive objective in the north extreme of the Patagonia region. A team of researchers designed special bricks which permit to build resistant and efficient structures whereas another group carries out tests to substitute cement with fine volcanic ashes in the building mixture. They evaluate the use of these materials in the building of houses.
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Researchers from the UTN Santa Fe work in the production of panels based in a residue coming from cotton production and ginning. During the elaboration of the panels there is no production of health harmful emissions and besides, they are very cheap. The possibility of recycling the waste and producing alternative materials for building are the premises which encourage research.
The high incidence of urban flooding in the region of the North West of Argentina is due to the lack of maintenance of the existent structures, the existence of great loads of rubbish, sediments in the obstruction of draining and the growth of the impermeability of the surfaces by the advance of buildings. This was determined by the researchers who since 2007 have been working in the design of models about the behavior of water in regional urban basins.
They are resistant to water, fire, with seismic and insulating characteristics which represent an innovation in the field of dry construction. Compatible with other materials, the blocks are light and resistant, apt for the construction of any kind of quick construction and low cost, and they are built with wood waste. The researchers test its design at laboratory scale.
Los ingenieros Ricardo Das Neves Guerreiro y Oscar Miura son los primeros en estudiar las propiedades térmicas de los materiales característicos de la región de Comodoro Rivadavia empleados en la ejecución de obras civiles. El trabajo constó de tres etapas: se instrumentó una obra de hormigón macizo para medir los cambios en la temperatura, luego se determinaron experimentalmente las propiedades térmicas de los agregados y del cemento, y por último se construyó un modelo matemático basado en elementos finitos, y de sus resultados se determinaron la bondad de las predicciones y la importancia relativa de los factores que participaron. El proyecto deja abierta la posibilidad de efectuar una futura investigación acerca del estudio de la distribución de tensiones térmicas y el análisis de los riesgos de fisuración.
Investigadores de la UNSJ crearon la máquina “IRPH - RAM” para construir bloques de suelocemento. El sistema de construcción aspira a superar las deficiencias de las viviendas de adobe.
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