期刊
CEMENT AND CONCRETE RESEARCH
卷 52, 期 -, 页码 11-21出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cemconres.2013.05.005
关键词
Characterization; Particle size distribution; Thermal analysis; Aggregate; Waste Management
资金
- Schenk Concrete Consultancy
- Theo Pouw Groep
- Building Materials research group at TU Eindhoven: Rijkswaterstaat Centre for Infrastructure
- Kijlstra Betonmortel
- Struyk Verwo
- Attero
- Enci
- Provincie Overijssel
- Rijkswaterstaat Directie Zeeland
- Van Gansewinkel Minerals
- BTE
- Alvon Bouwsystemen
- V.d. Bosch Beton
- Selor
- Twee R Recycling
- GMB
- Geochem Research
- Icopal
- BN International
- APP All Remove
- Consensor
- Eltomation
- Knauf Gips
- Hess ACC Systems
- Kronos
- Joma
- Graniet-Import Benelux
Recycled concrete aggregates are mainly used for road construction, but another interesting application would be their incorporation into concrete mixes. So far, such an application is hindered by the loss of mechanical properties of recycled aggregate concrete. However, through an efficient crushing technique, which is able to generate relatively clean aggregates, recycled concrete can be a beneficial addition. This study deals with properties (particle size distribution, density, thermal treatment reaction, oxide and mineralogical composition) of a large number of recycled concrete fractions, obtained through three crushing methods. The use of recycled concrete sand, i.e. particle sizes between 150 mu m and 2 mm, in new concrete is proven to be promising when the right crushing technique is adopted. (C) 2013 Elsevier Ltd. All rights reserved.
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