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Safety in structural aplications of fibre-reinforced concrete

Total activity: 10
Type of activity
Competitive project
Funding entity
Funding entity code
121.000,00 €
Start date
End date
Hormigón reforzado con fibras, Safety, Seguridad, Sostenibilidad, aplicaciones estructurales, durabilidad, durability, fibre reinforced concrete, sustainability
Fibre reinforced concrete (FRC) has shown to improve, by adding the appropiate quantity and type of fibres, the ductility of the material
compared with the quasi-brittle behviour typical of plain concrete. The structural use of FRC has been boosted in recent years by the
appearing of several national codes for structural design of concrete structures that have included recommendations for their use (fib
Model Code 2010, ACI 544, and others).
Morevoer, the development of a varied range of fibre types with various geometries and improved mechanical properties together with the
advacne in knowledge regarding the mechanical behaviour under tensile and shear stresses, justifies the more and more applications
reported using FRC. Such applications take advantage of the notiecceable structural capacities of FRC and the best performance in some
other requirements (as in tunneling, wind-towers incresingnly higher, pipleines and others).
Having said that, FRC is still used for only several applications and is not widespreadly used in the most conventional structural design
tasks, existing a gap between research and structural design consierations. This induces to a lack of reliability from the point of view of
designers or some oversizing of the prizes. All in all, it provokes reluctance to the use of FRC.
The aim of the project SAES-HRF is an ambitious answer with the target of solving those aspects that are hindering the extension in use of
FRC. Summarizing, the project attemps to respond to the following technological and scientific terms:
- To broaden and contribute to the knowledge concerning structural reliability of FRC elements. Particularly, calibrate the overall safety
coefficients appropiate to be used for this material in both tensile and shear stresses.
- Propose improvemente improvements in technological aspects regarding the prodcution of FRC in order to enhance quality control and
monitoring structures.
- Provide with models that represent accurately the structural response un static loadigns, shear, torsion, cyclic loadings and seismic behaviour, with special attention to fatigue and flexural situations.
- Progress in the material modelling of the long-term loading response, especially creeping and shirnkage (in craking stages)
- Provide with results about the loss of bearing capacities of FRC when subjected to high-temperture states as those that occur in fire
situations in tunneling precast elements.
With all these advances, the project willl supply not only technological and scientific contributions but also providing with enhancements to
social progress. On the one hand, Spanish Engineering and Construction Companies may be in a privilege position for international
competitive tendering. On the other hand, it will allow improving sustanaibility of such structural applications as it advances to new material
and structural modelling with more optimum utilisation of the raw materials.
For that purpose, this project coordinates four consolidated reserch groups, leader in their fields in national and international terms. In
order to improve the cordination, the scheme is divided into 2 sub-projects that permit addressing in an integrated way a complex and
ambitious project.
Adm. Estat
Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016
Call year
Funcding program
Programa Estatal de I+D+i Orientada a los Retos de la Sociedad
Funding call
Retos de Investigación: Proyectos de I+D+i
Grant institution
Gobierno De España. Ministerio De Economía Y Competitividad, Mineco


Scientific and technological production

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