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Economic design and construction with light weight aggregate concrete

Objective


- State of the art report on LWAC
- Research reports on different topics (hydration-induced deformations, strength under sustained loading, creep and shrinkage, chloride penetration)
- Influence on design codes through participation in Task Group 8.1 "Lightweight Aggregate Concrete" of the FIB
Note: During the project is was decided to focus more on long-term properties of concrete than on the originally planned in-depth (numerical) studies on moisture transport in LWAC.
The objective of this project is to develop a reliable and cost effective design and construction methodology for structural concrete with light weight aggregates ILWA). The project addresses LWA manufactured from geological sources (clay, pumice etc) as well as from waste/secondary materials (fly ash etc). The methodology shall enable the European concrete and construction industry to enhance its capabilities in terms of cost effective and environmentally friendly construction, combining the building of light weight structures with the utilization of secondary aggregate sources.
The research will be innovative in the development/improvement of materials, methods and elements/components that can open for new and un exploited applications. It is precompetitive by aiming to improve international standards and guidelines, and by including in the consortium a broad variety of present and potential competitors within several of the sectors involved, who find it necessary to cooperate in developing a market and establishing a common platform for future exploitation.
The baseline is an international state of the art and extensive national research in which the consortium partners have played a key role. The project will draw on this present knowledge, coordinate, validate and utilize the results in an extended development towards a more generally applicable, European concept for LWA concrete technology that can be less dependant on local/national conditions and that can be competitive versus other structural materials.
Major research tasks to be undertaken are:
Light weight aggregates: The identification and evaluation of new and unexploited sources, specifically addressing the environmental issue by utilizing alternative materials from waste. Further, the development of more generally applicable classification and quality assurance systems for aggregates and aggregate
production.
Light weight aggregate concrete production: The development of a mix design methodology to account for all relevant materials and concrete production and in use properties. This will include assessment of test methods and quality assurance for production. Light weight aggregate concrete properties: The establishing of basic materials relations, the influence of materiais characteristics on mechanical properties and durability. Light weight aggregate concrete structures: The development of design criteria and rules with special emphasis on high performance structures. The identification of new areas for application. Besides, the preparation of exploitation will be paid special attention to a separate task, as part of the total management of the project. The consortium profile, representing a crosssection of the European construction industry and related research and education organiza tions, will be a key factor in assuring the intended dissemination and exploitation from the project .

Programme(s)

Topic(s)

Call for proposal

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Funding Scheme

CSC - Cost-sharing contracts

Coordinator

SELMER SKANSKA AS
EU contribution
No data
Address
25,Olavsgate 25
0166 OSLO
Norway

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Total cost
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Participants (15)

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Last update: 11 June 2003

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Permalink: https://cordis.europa.eu/project/id/BRPR970381

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