Stress–strain relationship in axial compression for concrete using recycled saturated coarse aggregate

González-Fonteboa, Belén; Martínez-Abella, Fernando; Carro-López, Diego; Seara-Paz, Sindy

doi:10.1016/j.conbuildmat.2010.11.031

Cited by 240 publications

(81 citation statements)

References 21 publications

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“…The typical shape of the ascending branch of the stress-strain curve, shown in Figure 10, is very similar to that of conventional concrete regardless of the recycled aggregate replacement ratio (43). The shape is linear up to 0.4f c , and then it becomes parabolic.…”

Section: Stress -Strain In Compression Of Rcmentioning

confidence: 60%

“…In addition, several past investigations on RC showed that the effect of recycled aggregate content on splitting tensile strength is lower than on compressive strength (33,(41)(42)(43).…”

Section: Splitting Tensile Strength (F Sp )mentioning

confidence: 99%

“…Different models of stress-strain relationship for RC in compression have been proposed (34,43,70) (Table 3). …”

Section: Stress -Strain In Compression Of Rcmentioning

confidence: 99%

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Recycled concrete with coarse recycled aggregate. An overview and analysis

González-Fonteboa

Seara-Paz

Brito³

et al. 2018

Mater. construcc.

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ABSTRACT:The construction field has contributed to environmental degradation, producing a high amount of construction and demolition waste (C&D waste) and consuming large volumes of natural resources. In this context, recycled concrete (RC) has been recognised as a means to preserve natural resources and reduce space for waste storage. During the last decades, many researchers have developed works studying different recycled concrete properties.This review focuses on structural RC made with coarse recycled aggregate from concrete waste. The main objective is to provide a state of the art report on RC's properties and an analysis on how to predict them taking into account relevant research works. Moreover, the study tries to collect and update RC findings, proposing equations to define RC's performance, in terms of mechanical strength, modulus of elasticity, stress-strain, creep and shrinkage. RESUMEN:Hormigón reciclado con árido grueso reciclado. Una visión general y análisis. El campo de la construcción ha contribuido a la degradación del medio ambiente, produciendo gran cantidad de residuos de construcción y demolición y consumiendo grandes volúmenes de recursos naturales. En este contexto, el hormigón reciclado se ha presentado como una opción para preservar los recursos naturales y reducir el espacio destinado a vertedero. Así, durante las últimas décadas, muchos investigadores han desarrollado trabajos para estudiar las propiedades del hormigón reciclado.Este artículo se centra en el hormigón estructural fabricado con árido reciclado grueso procedente de residuos de hormigón. El principal objetivo es desarrollar un estado del arte que recoja las principales propiedades del hormigón reciclado y un análisis de cómo calcularlas teniendo en cuenta un gran número de trabajos relevantes en este ámbito. Adicionalmente, el estudio recopila y actualiza el conocimiento sobre estos hormigones, proponiendo ecuaciones que permitan definir sus resistencias mecánicas, módulo de elasticidad, tensión-deformación, fluencia y retracción.

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Section: Stress -Strain In Compression Of Rcmentioning

confidence: 60%

“…In addition, several past investigations on RC showed that the effect of recycled aggregate content on splitting tensile strength is lower than on compressive strength (33,(41)(42)(43).…”

Section: Splitting Tensile Strength (F Sp )mentioning

confidence: 99%

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Recycled concrete with coarse recycled aggregate. An overview and analysis

González-Fonteboa

Seara-Paz

Brito³

et al. 2018

Mater. construcc.

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“…3 In order to meet the requirements of structural applications using RAC, plenty of research results about material properties of RAC have been made available in recent years. [4][5][6][7] These results indicated that the amount of recycled aggregates utilised had remarkable influence on the compressive strength of concrete. However, it had only a minor influence on the bond strength when the deformed rebar was applied.…”

mentioning

confidence: 56%

Shaking Table Tests of Low-Rise Shear Walls Made of Recycled Aggregate Concrete

Zhang

Hao

Cao

et al. 2016

Structural Engineering International

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“…The complete stress-strain curves of RAC specimens were obtained by the experiment, and the shape of the complete stress-strain of RCA is similar with that of NAC, but the peak strain of RAC is much higher than that of NAC. Other scholars [7][8][9][10][11][12][13][14] have also carried out research on the peak strain of recycled aggregate concrete.…”

Section: Introductionmentioning

confidence: 99%

Peak Strain Calculation Equation of Recycled Aggregate Concrete

Li¹,

Su²

2017

Proceedings of the 2016 International Conference on Architectural Engineering and Civil Engineering

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Abstract-Peak strain of concrete is an important mechanical parameter. Previous studies have found that the peak strain of recycled aggregate concrete (RAC) is significantly different with natural aggregate concrete (NAC). This paper collected peak strain test data of domestic and foreign scholars and derived the calculation equation of RAC peak strain by using the method of modifying the NAC peak strain equation. The new calculation equation involved the parameter of recycled aggregate (RA) replacement ratio and could be suited for both RAC and NAC. The calculation results show that the new equation's calculated value has a high degree of similarity with the test data. The results of this study can provide a reference value for the recycled aggregate concrete application in structure engineering.

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Stress–strain relationship in axial compression for concrete using recycled saturated coarse aggregate

Cited by 240 publications

References 21 publications

Recycled concrete with coarse recycled aggregate. An overview and analysis

Recycled concrete with coarse recycled aggregate. An overview and analysis

Shaking Table Tests of Low-Rise Shear Walls Made of Recycled Aggregate Concrete

Peak Strain Calculation Equation of Recycled Aggregate Concrete

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