Influence of recycled concrete aggregates on the shear strength of reinforced concrete beams-Reference-Cited by-同舟云学术

Influence of recycled concrete aggregates on the shear strength of reinforced concrete beams

Published:2021 Issue:1 Volume:14 Page:
ISSN:1983-4195
Container-title:Revista IBRACON de Estruturas e Materiais
language:
Short-container-title:Rev. IBRACON Estrut. Mater.

Author:

Cardoso Allan Carvalho¹^ORCID,Lima Isaque Guerreiro¹^ORCID,Ferreira Maurício de Pina¹^ORCID,Souza Rafael Alves de²^ORCID

Affiliation:

1. Universidade Federal do Pará, Brasil

2. Universidade Estadual de Maringá, Brasil

Abstract

ABSTRACT: This research evaluates the influence of the replacement of natural coarse aggregates (NCA) by recycled concrete aggregates (RCA) on the shear strength of reinforced concrete beams. Experimental tests on six reinforced concrete beams with RCA replacement ratios of 0%, 30%, and 100% are presented. Furthermore, a database with results of 170 tests on beams with RCA is used to discuss adjustments in the recommendations presented by ABNT NBR 6118 to estimate the shear strength of reinforced concrete beams. According to the Demerit Points Classification (DPC) proposed by Collins, 80% of the theoretical results obtained using models I and II from the Brazilian code fall in an appropriate safety condition range, showing that the substitution of NCA by RCA has a low impact on the shear strength reinforced concrete beams.

Publisher

FapUNIFESP (SciELO)

Link

http://www.scielo.br/pdf/riem/v14n1/1983-4195-riem-14-1-e14109.pdf

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