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Investigación de vangarda para o desenvolvemento sostible

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Investigación de vangarda para o desenvolvemento sostible

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2005

González-Fonteboa, Belén; Martínez-Abella, Fernando

Recycled aggregates concrete: Aggregate and mix properties Journal Article

In: Materiales de Construccion, vol. 55, no. 279, pp. 53-66, 2005, ISSN: 04652746, (cited By 32).

Abstract | Links | BibTeX | Etiquetas: Aggregates; Compressive strength; Concrete mixtures; Concrete products; Elastic moduli; Grading; Recycling; Tensile strength; Water absorption, Aggressive environment; Concrete productions; Conventional concrete; Physical and mechanical properties; Recycled aggregates; Recycled concrete aggregates; Recycled concretes; Splitting tensile strength, Concrete aggregates

@article{González-Fonteboa200553,

title = {Recycled aggregates concrete: Aggregate and mix properties},

author = {Belén González-Fonteboa and Fernando Martínez-Abella},

url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-24944494420&doi=10.3989%2fmc.2005.v55.i279.198&partnerID=40&md5=1dd10ac776af0babcbeb286775d2c49b},

doi = {10.3989/mc.2005.v55.i279.198},

issn = {04652746},

year  = {2005},

date = {2005-01-01},

urldate = {2005-01-01},

journal = {Materiales de Construccion},

volume = {55},

number = {279},

pages = {53-66},

publisher = {Inst. de Ciencias de la Construccion Eduardo Torroja},

abstract = {This study of structural concrete made with recycled concrete aggregate focuses on two issues: 1. The characterization of such aggregate on the Spanish market. This involved conducting standard tests to determine density, water absorption, grading, shape, flakiness and hardness. The results obtained show that, despite the considerable differences with respect to density and water absorption between these and natural aggregates, on the whole recycled aggregate is apt for use in concrete production. 2. Testing to determine the values of basic concrete properties: mix design parameters were established for structural concrete in non-aggressive environments. These parameters were used to produce conventional concrete, and then adjusted to manufacture recycled concrete aggregate (RCA) concrete, in which 50% of the coarse aggregate was replaced by the recycled material. Tests were conducted to determine the physical (density of the fresh and hardened material, water absorption) and mechanical (compressive strength, splitting tensile strength and modulus of elasticity) properties. The results showed that, from the standpoint of its physical and mechanical properties, concrete in which RCA accounted for 50% of the coarse aggregate compared favourably to conventional concrete.},

note = {cited By 32},

keywords = {Aggregates; Compressive strength; Concrete mixtures; Concrete products; Elastic moduli; Grading; Recycling; Tensile strength; Water absorption, Aggressive environment; Concrete productions; Conventional concrete; Physical and mechanical properties; Recycled aggregates; Recycled concrete aggregates; Recycled concretes; Splitting tensile strength, Concrete aggregates},

pubstate = {published},

tppubtype = {article}

}