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SME Specific MeasuresCompetitive and Sustainable Growth

Exploratory Award

Proposal number EXAW-1999-00911

AcronymPrestress - GRC

Proposal titleInnovative Prestress Systems for G.R.CStrutural Elements

AbstractThe GRC precast structural elements have high durability as no steel is incorporated.

Unfortunately use this material prestress must be applied. The use of unbounded prestress

presents some technical problems related to steel relaxation and to the anchorage systems.

Besides that to obtain elements corrosion free prestress tendons must be made of non

metallic materials, namely fibre reinforced polymer (FRP) tendons, made of glass , aramid

or carbon fibres. The use of these materials in prestress presents technical difficulties

namely associated with their interaction and adherence with GRC. If these problems are

overcome then the precast industry has quitea new material with economical,

social/environment advantages and with a very high durability. This project as the aim of

developing new prestress systems to be applied in GRC structural elements,with the

emphasis in the use of FRP tendons. Solutions for the rope protection, adherence,

anchorage, prestress control and prestress behaviour along time will be analysed.

Prototypes of GRC element prestressed with the new systems will be built and tested.

Key ActionGROW-5.   RTD activities of a generic nature : Materials and their technologies for

production and transformation and new and improved materials and production technologies

in the steel field

Start date6/07/2000End date6/07/2001

Intended Step 2 projectCooperative Research (CRAFT)Duration Exploratory Phase6 months

SME CoordinatorMr ALBERTO VIEIRACompany sizeS4

PAVICENTRO - PRÉ-FABRICACÃO, SA

EIXO - AVEIRO

Apartado 2

3801-501 - AVEIRO

Portugal

Phone: 00351234920200

Fax: 00351234920201

SME Proposer(s)

PRECOMPRESSI CENTRO NORDItalyS4

Profile of partners for joining the project

Business areas45 - Construction

Comments

Last update18/6/2001

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