TY  - JOUR
AU  - Tošic, Nikola
AU  - Marinković, Snežana
AU  - de Brito, Jorge
PY  - 2019
UR  - https://onlinelibrary.wiley.com/doi/abs/10.1002/suco.201900035
UR  - https://grafar.grf.bg.ac.rs/handle/123456789/1834
AB  - Recycled aggregate concrete (RAC) has emerged as a viable solution for
solving some of the environmental problems of concrete production.
However, design guidelines for deflection control of reinforced RAC
members have not yet been proposed. This study presents a
comprehensive analysis of the applicability of the fib Model Code 2010
(MC2010) deflection control model to reinforced RAC beams. Three
databases of long-term studies on natural aggregate concrete (NAC) and
RAC beams were compiled and meta-analyses of deflection predictions
by MC2010 were performed. First, the MC2010 deflection control model
was tested against a large database of long-term tests on NAC beams.
Second, a database of RAC and companion NAC beams was compiled
and initial and long-term deflections were calculated using the MC2010
model. It was shown that deflections of RAC beams are significantly
underestimated relative to NAC beams. Previously proposed
modifications for MC2010 equations for shrinkage strain and creep
coefficient were used, and new modifications for the modulus of elasticity
and empirical coefficient β were proposed. The improved MC2010
deflection control model on RAC beams was shown to have equal
performance to that on companion NAC beams. The proposals presented
in this paper can help engineers to more reliably perform deflection
control of reinforced RAC members.
T2  - Structural Concrete
T1  - Deflection control for reinforced recycled aggregate concrete beams: Experimental database and extension of the fib Model Code 2010 model
EP  - 2029
IS  - 6
SP  - 2015
VL  - 20
DO  - 10.1002/suco.201900035
ER  - 

@article{
author = "Tošic, Nikola and Marinković, Snežana and de Brito, Jorge",
year = "2019",
abstract = "Recycled aggregate concrete (RAC) has emerged as a viable solution for
solving some of the environmental problems of concrete production.
However, design guidelines for deflection control of reinforced RAC
members have not yet been proposed. This study presents a
comprehensive analysis of the applicability of the fib Model Code 2010
(MC2010) deflection control model to reinforced RAC beams. Three
databases of long-term studies on natural aggregate concrete (NAC) and
RAC beams were compiled and meta-analyses of deflection predictions
by MC2010 were performed. First, the MC2010 deflection control model
was tested against a large database of long-term tests on NAC beams.
Second, a database of RAC and companion NAC beams was compiled
and initial and long-term deflections were calculated using the MC2010
model. It was shown that deflections of RAC beams are significantly
underestimated relative to NAC beams. Previously proposed
modifications for MC2010 equations for shrinkage strain and creep
coefficient were used, and new modifications for the modulus of elasticity
and empirical coefficient β were proposed. The improved MC2010
deflection control model on RAC beams was shown to have equal
performance to that on companion NAC beams. The proposals presented
in this paper can help engineers to more reliably perform deflection
control of reinforced RAC members.",
journal = "Structural Concrete",
title = "Deflection control for reinforced recycled aggregate concrete beams: Experimental database and extension of the fib Model Code 2010 model",
pages = "2029-2015",
number = "6",
volume = "20",
doi = "10.1002/suco.201900035"
}

Tošic, N., Marinković, S.,& de Brito, J.. (2019). Deflection control for reinforced recycled aggregate concrete beams: Experimental database and extension of the fib Model Code 2010 model. in Structural Concrete, 20(6), 2015-2029.
https://doi.org/10.1002/suco.201900035

Tošic N, Marinković S, de Brito J. Deflection control for reinforced recycled aggregate concrete beams: Experimental database and extension of the fib Model Code 2010 model. in Structural Concrete. 2019;20(6):2015-2029.
doi:10.1002/suco.201900035 .

Tošic, Nikola, Marinković, Snežana, de Brito, Jorge, "Deflection control for reinforced recycled aggregate concrete beams: Experimental database and extension of the fib Model Code 2010 model" in Structural Concrete, 20, no. 6 (2019):2015-2029,
https://doi.org/10.1002/suco.201900035 . .