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Investigación de vangarda para o desenvolvemento sostible

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2009

González-Fonteboa, Belén; Martínez-Abella, Fernando; Martínez-Lage, Isabel; Eiras-López, Javier

Structural shear behaviour of recycled concrete with silica fume Journal Article

In: Construction and Building Materials, vol. 23, no. 11, pp. 3406-3410, 2009, ISSN: 09500618, (cited By 54).

Abstract | Links | BibTeX | Etiquetas: Coarse aggregates; Conventional concrete; Current codes; Demolition wastes; Recycled aggregates; Recycled coarse aggregate; Recycled concrete; Recycled concrete beam; Recycled concretes; Shear behaviour; Shear design; Structural behaviour; Ultimate loads, Concrete aggregates, Concrete products; Demolition; Oxides; Recycling; Safety factor; Silica; Silica fume

@article{González-Fonteboa20093406,

title = {Structural shear behaviour of recycled concrete with silica fume},

author = {Belén González-Fonteboa and Fernando Martínez-Abella and Isabel Martínez-Lage and Javier Eiras-López},

url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-68549122513&doi=10.1016%2fj.conbuildmat.2009.06.035&partnerID=40&md5=3425e5c92b5d3c58449e199d462f3ec6},

doi = {10.1016/j.conbuildmat.2009.06.035},

issn = {09500618},

year  = {2009},

date = {2009-01-01},

urldate = {2009-01-01},

journal = {Construction and Building Materials},

volume = {23},

number = {11},

pages = {3406-3410},

abstract = {This paper is the outcome of the second stage of studies carried out on the structural behaviour of recycled concrete. The first stage determined, using beams specimens, the shear behaviour of recycled concrete with which 50% of the coarse aggregate was replaced by recycled coarse aggregate (obtained from concrete demolition waste). This stage revealed minor differences (recycled concrete - conventional concrete) in ultimate loads and these differences were found to increase when cracking was taken into account. In this study, it was determined that the addition of 8% silica fume to recycled concrete (recycled concrete with silica fume) improved this behaviour. Moreover, the use of this material in recycled concrete produced changes in its structural behaviour similar to those induced in conventional concrete (conventional concrete with silica fume). Finally, experimental results were compared using current codes and it had been seen that all of them were conservative so t can be used for the shear design of recycled concrete beams with silica fume. © 2009 Elsevier Ltd. All rights reserved.},

note = {cited By 54},

keywords = {Coarse aggregates; Conventional concrete; Current codes; Demolition wastes; Recycled aggregates; Recycled coarse aggregate; Recycled concrete; Recycled concrete beam; Recycled concretes; Shear behaviour; Shear design; Structural behaviour; Ultimate loads, Concrete aggregates, Concrete products; Demolition; Oxides; Recycling; Safety factor; Silica; Silica fume},

pubstate = {published},

tppubtype = {article}

}