<p dir="ltr"><span>El siguiente trabajo tiene como objetivo evaluar la incidencia de mejoras tecnológicas, en relación a la eficiencia energética de las envolventes en viviendas sociales. Esto se realiza a través de la aplicación del Índice de Prestaciones Energéticas (I.P.E), definido por el Programa Nacional de Etiquetado de Viviendas basándose en la Norma IRAM 11900. El caso de estudio es la denominada “Solución habitacional de dos dormitorios o Vivienda Universal (VU) Posición 2”, desarrollada por la Dirección Provincial de Vivienda y Urbanismo de la provincia de Santa Fe, construida en el barrio Coronel Dorrego de la Ciudad de Santa Fe. Se busca comparar el I.P.E actual del prototipo, con el obtenido luego de la intervención tecnológica. Como resultado, el prototipo alcanza un I.P.E de 592 kwh/m</span><span><span>2</span></span><span>año. Al incorporar variantes de mejoras en forma progresiva, se logran mejoras del 78%, lo cual representa un importante ahorro energético.</span></p><div><span><br /></span></div>
In the last two decades, modernization process of the agricultural sector, has a direct impact in the social subject of Santa Fe dairy basin. 1990 generates new legislation that frames the work and life of the tambero and his family, reconfi guring this fundamental social subject. The qualitative methodology used was case study on the Department of the Colonies. The results presented in this article show that changes by the new legal fi gure of the tambero, have an impact on their living conditions. Despite the fact that the new legislation makes -from the letter -dairy employee in associate producer, it does not cause improvements in their social status. The complete study is an articulation process between research and rural development, were identifi ed and systematized the context of both legal situations; and changes in the conditions of life of the tambero and his family, providing expertise to guide the task of extension related to rural development.
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