anÁlisis tÉrmico de geosintÉticos utilizados en la rehabilitaciÓn de pavimentos thermal analysis of geosynthetics used in the rehabilitation of pavements
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2009
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Abstract
El crecimiento de la utilización de los geosintéticos en la rehabilitación de pavimentos flexibles se ha visto incrementado de forma considerable desde la década de los años setenta. Estos materiales presentan una serie de ventajas que motivan su gran demanda en la actualidad. La utilización de geosintéticos en la rehabilitación se basa en su capacidad de resistir deformaciones, atenuando las fisuras y grietas que pudiesen presentar los pavimentos flexibles. Se han realizado dos experiencias en laboratorio para simular el proceso de puesta en obra de los geosintéticos en la zona de intercapa. El procedimiento consiste en verter sobre el geosintético extendido, una capa de mezcla bituminosa en caliente comprendida entre 135 - 165 ºC. El análisis térmico de los resultados obtenidos avala significativamente al material poliéster (PS), con respecto al polipropileno (PP), en futuras aplicaciones de rehabilitación de pavimentos flexibles.
The use of geosynthetics in rehabilitating flexible pavements has substantially expanded since the mid-seventies. These materials have a number of advantages that motivate their demand at present. The use of geosynthetics in rehabilitation is based on its ability to resist deformation, attenuating fissures and cracks that flexible pavements could present. Two experiments have been done to simulate the process of placing the geosynthetics in the interlayer area. The process consists of pouring on the spread geosynthetics a layer of hot bituminous mix between 135-165 °C. The thermal analysis of the results shows a significant performance of polyester (PS), compared to polypropylene (PP), in future applications for the rehabilitation of flexible pavements.
The use of geosynthetics in rehabilitating flexible pavements has substantially expanded since the mid-seventies. These materials have a number of advantages that motivate their demand at present. The use of geosynthetics in rehabilitation is based on its ability to resist deformation, attenuating fissures and cracks that flexible pavements could present. Two experiments have been done to simulate the process of placing the geosynthetics in the interlayer area. The process consists of pouring on the spread geosynthetics a layer of hot bituminous mix between 135-165 °C. The thermal analysis of the results shows a significant performance of polyester (PS), compared to polypropylene (PP), in future applications for the rehabilitation of flexible pavements.
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| Authors | ;José Norambuena-Contreras;David Zamora Barraza;Daniel Castro-Fresno;Angel Vega-Zamanillo |
| Journal | international journal of electrical and computer engineering |
| Year | 2009 |
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