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A UNIFIED APPROACH FOR THE JUDGEMENT OF ENVIRONMENTAL PROPERTIES OF CONSTRUCTION MATERIALS (CEMENT-BASED, ASPHALTIC, UNBOUND AGGREGATES, SOIL) IN DIFFERENT STAGES OF THEIR LIFE CYCLE

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Abstract

In this paper experiences on leaching behaviour of a wide range of construction materials have been combined to provide an integrated evaluation system for judgement of environmental properties for all construction materials (cement-based, asphaltic, unbound aggregates and soillike materials). In this system, a consistent approach in test use and development is presented that provides a sufficient level of understanding of the long-term risks from a regulatory point of view and recognizes industry’s need for quick and straightforward quality control methods. The system is highlighted by means of examples for leaching behaviour of different materials in the same application and the same materials in different applications, leading to different exposure scenarios and possible tests for different stages in the life cycle of materials. The use of characterization tests for the evaluation of use scenarios and the relationship between In recent years the pressure on primary materials for construction has increased. As a consequence more and more alternative materials are used in Europe in different construction applications. Although alternative materials may prove to be suitable technically, the long-ter

Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.198.7230
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