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Content archived on 2024-06-11

Optimised packing in cement based products using by-product fines

Objective



The European concrete industry is large and in constant need for innovation and development. Practical concrete manufacturing recommends the use of dust free aggregate, but recent particle packing models provide theoretical justification for using very fine grained material. Particle packing models have not been utilised in standard concrete technology, thus incorporation of by product fine material (BPF) has been sporadic and has lead to inconsistent results. BPF is currently considered a waste material and causes additional disposal costs. The research goals are to develop an empirically verified mix design method based on particle packing models for BPF incorporation, which will increase BPF use in cementitious products. The effects of BPF on the basic properties of building application products will be determined, as well as improving economical and ecological impacts. The research methodology will be a combination of desk studies, laboratory analysis, field/insitu investigations and pilot testing. The research is divided into the following sequential parts: Baseline report > By product fines (BPF) identification and evaluation > Production of cementitious materials containing BPF > BPF product application properties The project benefits are associated with the promotion of BPF use: lowering the cement consumed by 10 %, reducing CO2 released by 1 million tons per year, and lowering the overall cementitious product prices. At the same time the product quality will be improved. An additional advantage is the technology for using the accumulated BPF within the European stone/concrete industry. The project is within the scope and objectives of the programme "Industrial & Materials Technologies" in Area 1:"Production technologies" under 1.2 ' Development of clean production technologies", 1.2.2.S and 1.2.2.L for the utilisation of fine waste materials. In Area 2: "Materials and technologies for product innovation" under 2.1 "Materials engineering", 2.1.1.S for the improvement of the quality and workability of concrete, mortar and floats.

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Programme(s)

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Topic(s)

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Funding Scheme

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CRS - Cooperative research contracts

Coordinator

Steypustöoin hf.
EU contribution
No data
Address
4,Saevarhofdi
112 Reykjavik
Iceland

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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

No data

Participants (5)

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