Influence of the shape of the natural aggregates, recycled and silica fume on the mechanical properties of pervious concrete
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Tipo de documentoTexto en actas de congreso
Fecha de publicación2014
Condiciones de accesoAcceso restringido por decisión del autor
Currently the problems of water quality are increasing; much of the material is rinsed and is dragged into streams, rivers, and groundwater from the contaminated superficial draining, which contains materials that are applied to the soil surface. Therefore is that the provide the greatest amount of uncontaminated water to the subsurface is of great importance, since it can still potentially solve some important collateral problems, such as the settlement in the soil, which is related largely to levels low capacity of the aquifer. Therefore, use Pervious Concrete (PCo) can help prevent physical barrier between rainwater and underground (especially in urban areas). For the investigation of the feasibility of PCo three types of aggregate were used: Round Natural Aggregate (RNA), Natural Crushed Aggregate (NCA) and Recycled Aggregate from Concrete crushed (RAC),since the shape of the aggregates generally determines the mechanical properties; and yet very little is known about their correlation with permeability. Moreover, concrete recycling is an effective way for the elimination of debris from demolition as well as replace part of the cement by waste material as the Silica Fume (SF); in both cases, these actions production decreases and CO2 emissions associated with their production. In this work different aggregates with a substitution of SF are evaluated, for know physical and mechanical properties of pervious concrete and in part to contribute to solving the environmental problem of the construction.
CitaciónCorral, R. [et al.]. Influence of the shape of the natural aggregates, recycled and silica fume on the mechanical properties of pervious concrete. A: International Conference on Advances in Civil and Structural Engineering. "Proceedings of the International Conference on Advances in Civil and Structural Engineering (CSE) 02-03 August, 2014 Kuala Lumpur, Malaysia". Kuala Lumpur: 2014, p. 20-24.