Durability Properties of Five Years Aged Lightweight Concretes Containing Rubber Aggregates

Medine, Malika; Trouzine, Habib; Aguiar, José; Asroun, Aîssa

doi:10.3311/ppci.11363

Cited by 13 publications

(11 citation statements)

References 36 publications

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“…The overuse of natural aggregate in the construction sector has harmed the environment in recent decades, and it is estimated that about 7.5 billion tonnes of aggregates are annually consumed by the concrete industry [1][2][3][4][5]. This environmental issue can be somewhat solved by partial replacement of natural aggregates with artificial lightweight aggregates in the building process [6][7][8][9][10]. Although the use of lightweight concrete (LC) dates back to the Roman Empire, modern age artificial lightweight aggregates were produced in the middle of the 20 th century and then they were developed by researchers in the concrete industry [11,12].…”

Section: Introductionmentioning

confidence: 99%

Effect of the curing type on the mechanical properties of lightweight concrete with polypropylene and steel fibres

Madandoust

Kazemi

Talebi

et al. 2019

Construction and Building Materials

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This study assessed the effect of steel and polypropylene fibres at various volume contents on concrete incorporating lightweight expanded clay aggregate (LECA) and water/binder (W/B) ratios of 0.37 and 0.42. The concrete specimens were cured under six curing conditions: wet, 3-day wet, 14-day wet, air-dry controlled, air-dry uncontrolled, and 90 °C vapour. The use of lightweight aggregates in the construction industry has drawn the attention of researchers and, on the other hand, fibres with a high strain-hardening response can be used as an appropriate addition in concrete materials. In this study, the mechanical properties of lightweight concrete containing steel or polypropylene fibres were evaluated by means of compressive strength, splitting tensile strength and modulus of elasticity tests at 3, 7, 28 and 60 days. According to the results, fibre reinforced concrete mixes containing LECA, cured under 90 °C vapour curing, achieved the highest mechanical strength. In addition, the optimum contents of steel fibres to obtain the highest compressive and splitting tensile strengths of lightweight concrete were 1% and 3%, respectively.

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Section: Introductionmentioning

confidence: 99%

Effect of the curing type on the mechanical properties of lightweight concrete with polypropylene and steel fibres

Madandoust

Kazemi

Talebi

et al. 2019

Construction and Building Materials

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“…Nadine et al (Asroun, De Aguiar, Trouzine, & Medine, 2017) found out that the presence of CR increased the resistance of CR concrete to chloride acid attack. This is attributed to the stable chemical nature of the rubber particles that make them less reactive with the acid Figure 6.…”

Section: Chloride Permeability and Hydrochloric Acid Attackmentioning

confidence: 99%

“…However, this result does not agree with the findings of (Sabapathy et al, 2020) who reported that CR above 5% in rubberized GO modified ECC has insignificant effect on sulphate attack. In a research to assess the durability of 5 years aged lightweight concrete containing rubber aggregate was conducted by Nadine et al (Asroun et al, 2017). Their findings on sulfate attack revealed that the highest value for mass loss was recorded for 5% CR samples.…”

Section: Sulfate Resistencementioning

confidence: 99%

Effect of Waste Tire Rubber on the Durability Behavior of Cement Composites: A Review

Abdulkadir

Mohammed

2020

Journal of Infrastructure &Amp; Facility Asset Management

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A lot of literature reviews exist on the mechanical properties of rubberized cement composites (mortar, concrete and engineered cementitious composite). However, very little of such works exist on the effect of waste tire rubber on the durability of the composites. This paper aims to review how the use of tire rubber in cement composites affects the water absorption, permeability and resistance to aggressive chemicals (sulphates and chlorides). Recent literatures on the use of CR in concrete, mortar, and Engineered Cementitious Composites (ECC) were reviewed to assess how incorporation of rubber influences the water absorption, permeability, and chloride and sulphate resistance of the composites. The findings revealed that CR incorporation consistently enhances the resistance of the composites to the adverse effect of chloride and sulphate ions. However, there are differing opinions by researchers regarding the effect of the CR on water absorption and permeability of the rubberized composites.

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“…For each type of LWAC, different physical properties were tested as reference data for their potential practical applications. These tested properties include: strength (Cui et al, 2012a;Ilya et al, 2018;Medine et al, 2018), density (Lau et al, 2018), elasticity (Hilal et al, 2016), shrinkage (Alexandre Bogas et al, 2015;Rumšys et al, 2017), creep (Libre et al, 2011), thermal conductivity (Nguyen et al, 2017), abrasion resistance (Real and Bogas, 2017), and adsorption (Krc, 2015;Muñoz-Ruiperez et al, 2018). Although LWAC has its superiority in high strength and low density, LWAC has more obvious brittleness compared with other ordinary concretes, which can be partially attributed to its high strength (Beygi et al, 2014;Karamloo et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Factors Affecting Brittleness Behavior of Coal-Gangue Ceramsite Lightweight Aggregate Concrete

et al. 2020

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Coal gangue, which is the solid waste produced during the coal processing, causes serious environmental problems. Lightweight concrete by making use of the coal-gangue ceramsite as the aggregate has many advantages as the construction material. However, the high brittleness of lightweight aggregate concrete is one of the problems for its application in building infrastructure. In this paper, the variation regularity, influencing factors and reinforcing/toughening method were studied as the reference data for future practical applications of coal-gangue ceramsite lightweight aggregate concrete (CGCLWAC). The results show that the brittleness of CGCLWAC increases with age, but the rate of the increase of brittleness keeps decreasing, and the brittleness is basically stable when the age beyond 28 days. When the sand ratio is above 0.38, the brittleness of CGCLWAC increases with the sand ratio; when the water cement ratio is above 0.32, the brittleness increases with the decrease of the water-cement ratio. Experiments show that when the content of steel fibers is less than 1.5%, the brittleness decreases with the increase of steel fiber content; when the content of steel fibers exceeds a critical value, the toughening effect decreases. From the macro-destructive morphology of the specimens, it is concluded that the incorporation of steel fibers can significantly change the brittleness of CGCLWAC. This study can serve to provide reference data for making use of the solid waste of the coal gangue and optimizing the infrastructure application scheme of CGCLWAC.

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Durability Properties of Five Years Aged Lightweight Concretes Containing Rubber Aggregates

Cited by 13 publications

References 36 publications

Effect of the curing type on the mechanical properties of lightweight concrete with polypropylene and steel fibres

Effect of the curing type on the mechanical properties of lightweight concrete with polypropylene and steel fibres

Effect of Waste Tire Rubber on the Durability Behavior of Cement Composites: A Review

Factors Affecting Brittleness Behavior of Coal-Gangue Ceramsite Lightweight Aggregate Concrete

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