Abstract
The La Mina district is a public housing development. Consisting of 2727 apartments which were built during the years 1968-74 at the height of the building sector boom, it is characterized by the mixture of building types and building methods employed and is remarkable for the use of the tunnel formwork technique. This paper presents and discusses the contents of the technical study which was prepared as a part of the Plan for Transformation and Improvement of the neighbourhood. The Plan provides for the rehabilitation of buildings and the urban reclassification and social regeneration of the neighbourhood, which is highly stigmatized as a problem area. The functional and structural safety conditions, the level of thermal and acoustic insulation, fire protection, accessibility and maintenance conditions were all analysed in detail in the technical study. In addition, several proposals were put forward for interventions aimed at reducing the most glaring deficiencies.
Highlights
This paper presents and discusses the contents of the technical study which was prepared as a part of the Plan for Transformation and Improvement of the neighbourhood
Es por ello que podemos distinguir en La Mina una primera fase de menor magnitud, concentrada en La Mina Vieja, de edificios construidos con la técnicas usuales de la época a base de pilares o pórticos de hormigón armado, forjados reticulares o de viguetas de hormigón y cerramientos a base de ladrillo visto o revestido, y una segunda fase, de mayor magnitud y extensión, en la que se utiliza la innovadora técnica del encofrado-túnel para construir el último lote de 2.214 viviendas que ponía fin a la edificación residencial del barrio 5
Los edificios construidos con encofradotúnel, las mediciones de presión sonora realizadas in situ en el interior y exterior de los edificios, permiten aproximar el valor del aislamiento acústico aéreo de la actual solución constructiva de fachada alrededor proporciona el doble tabique de escayola descrito anteriormente sería insuficiente, más aún si se consideran las transmisiones de ruido por los flancos, mientras que, en el caso de las divisiones horizontales la solución de forjado de losa armada de 16 cm con pavimento de terrazo sobre mortero proporciona un nivel de aislamiento frente al ruido aéreo de 58 dBA, valor que disminuiría en algunos decibelios con las pérdidas acústicas por los flancos, situándose probablemente en el límite del cumplimiento del CTE
Summary
The La Mina district is a public housing development. This paper presents and discusses the contents of the technical study which was prepared as a part of the Plan for Transformation and Improvement of the neighbourhood. The Plan provides for the rehabilitation of buildings and the urban reclassification and social regeneration of the neighbourhood, which is highly stigmatized as a problem area. The functional and structural safety conditions, the level of thermal and acoustic insulation, fire protection, accessibility and maintenance conditions were all analysed in detail in the technical study. 1. Ubicación del barrio de la Mina en el entorno urbano de Barcelona. 2. Visión global de los diferentes bloques de viviendas del barrio
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