Tyre rubber waste recycling in self-compacting concrete

Bignozzi, Maria Chiara; Sandrolini, Franco

doi:10.1016/j.cemconres.2005.12.011

Cited by 258 publications

(121 citation statements)

References 13 publications

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“…Scanning Electron Microscopy (SEM) images have shown a lack of bonding (gap) between the rubber and cement paste at their ITZ, as well as limited hydration products surrounding the rubber particles [37][38][39]. Conversely, other studies show that rubber bonds well to the cement matrix [30,40]. This good rubber-cement paste bond has been attributed to interlock at the rough surface of rubber particles [40].…”

mentioning

confidence: 96%

“…Other factors that reduce RuC strength include segregation, lower overall stiffness of the composite and casting and consolidation techniques [28]. Whilst such reduction is well documented in the literature [14,17,24,25,[29][30][31], strength seems to be influenced by rubber content, size and properties, as well as mix parameters and proportions (i.e. water to binder ratio (w/b), type of chemical admixture and binder material).…”

mentioning

confidence: 98%

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Optimisation of rubberised concrete with high rubber content: An experimental investigation

Raffoul

Garcia

Pilakoutas

et al. 2016

Construction and Building Materials

222

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mentioning

confidence: 96%

mentioning

confidence: 98%

Optimisation of rubberised concrete with high rubber content: An experimental investigation

Raffoul

Garcia

Pilakoutas

et al. 2016

Construction and Building Materials

222

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“…The interest of developing concrete from non conventional raw materials is indispensable for the protection of the environment and also for the economic by reducing costs [6][7] . Innovative solutions for recycling of tyres have been the focus of much research, such as the addition of the scrap tyre rubber in asphalt, concretes and polymers [8][9][10][11] ; as well as incineration for vapour production and energy production 8,12 .…”

Section: Introductionmentioning

confidence: 99%

Investigations on cementitious composites based on rubber particle waste additions

et al. 2012

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The amount of waste rubber has gradually increased over recent years because of over-growing use of rubber products. The disposal of waste rubber has caused serious environmental problems. The incorporation of recycled materials into cementitious composites is a feasible alternative that has gained ground in civil construction. The performance of such materials is much affected not only by the rubber addition, but also the particle size which has been controversially reported in the literature. In order to investigate the single effect of rubber particles into cement based materials, rubber cementitious composites were prepared with no silica particle additions. A full factorial design has been conducted to assess the influence of the rubber particle size (0.84/0.58 mm and 0.28/0.18 mm); mass fraction used (5, 15 and 30%); and water/cement ratio (0.35 and 0.50) on the physic-mechanical properties of the composites. The materials were characterized through apparent density, porosity, compressive strength, flexural strength, modulus of elasticity and microstructural analysis. The interactions of rubber particle size, rubber fraction and water/cement ratio affected significantly the density and compressive strength of the composites. The apparent porosity was influenced mainly by the rubber particle size. The flexural strength was affected by the main factors and the modulus of elasticity was affected by the interaction factors rubber particle size and fraction, and rubber fraction and w/c ratio.

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“…This material is characterized by its fluidity, ease of implementation and ability to fill formwork heavily armed. The possibility of designing a self-compacting concrete with rubber aggregates (SCCR) seems particularly interesting insofar as this material combines the properties of a SCC and of a material from the recycling of industrial waste which gives a cheapest composite [3,4]. Possible applications for this composite are very numerous.…”

Section: Introductionmentioning

confidence: 99%

Effect of Rubber Aggregates on the Thermophysical Properties of Self-Consolidating Concrete

Atef¹

2014

J Bioprocess Biotech

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In this work, our choice fell on the exploitation of rubber aggregates from used tires. In this context, an experimental study was conducted to provide more data on the effect of rubber aggregates on the thermophysical properties of self-consolidating concrete (SCC). To this end , four sets of rectangular specimens were prepared by varying the proportion of the rubber aggregates with percentages of 0%, 10%, 20% and 30% of the volume of gravel .Tests on hardened self-consolidating concrete rubber SCCR included measuring the thermal conductivity and the thermal diffusivity by the method of the boxes at steady and determining the specific heat . The results showed that the thermal conductivity and thermal diffusivity were decreased according to the increase of the percentage of rubber aggregates. This decrease was significantly improved thermal performance of the SCCR.

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Tyre rubber waste recycling in self-compacting concrete

Cited by 258 publications

References 13 publications

Optimisation of rubberised concrete with high rubber content: An experimental investigation

Optimisation of rubberised concrete with high rubber content: An experimental investigation

Investigations on cementitious composites based on rubber particle waste additions

Effect of Rubber Aggregates on the Thermophysical Properties of Self-Consolidating Concrete

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