Effect of tire rubber particles on crack propagation in cement paste

Segre, N; Ostertag, Claudia P.; Monteiro, Paulo J.M.

doi:10.1590/s1516-14392006000300011

Cited by 34 publications

(12 citation statements)

References 20 publications

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“…Hence, it improves the ability of resisting external force damage [17,18]. e application of flexible rubber in cement slurry can improve the internal deficiencies of cement paste, restrain the generation and expansion of microfractures, and form the structural center of energy absorption [19,20].…”

Section: Introductionmentioning

confidence: 99%

Synergistic Effect of Latex Powder and Rubber on the Properties of Oil Well Cement-Based Composites

Song

Liu

et al. 2018

Advances in Materials Science and Engineering

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e brittleness and the poor resistance to external load of oil well cement impede the development of oil and gas wells. To overcome these deficiencies, latex powder or rubber and their hybrid combinations were used to modify the oil well cement. e conventional properties, mechanical properties, and scanning electron microscopy (SEM) images of the modified cement were analyzed. In comparison with latex powder-incorporated cement and rubber-incorporated cement, a significant improvement of fluid loss, flexural strength, impact strength, and elasticity of the cement slurry was observed when using the hybrid combinations of 3 wt.% latex powder and 2 wt.% rubber, although this synergistic effect was not remarkable on the compressive strength and the thickening time. ese evidences arose from the synergism between latex powder and rubber leading to the formation of a threedimensional network structure and a flexible structure which subsequently improved the elasticity and toughness of cement stone. e improved elastic matrix has a buffering effect on external impact when the cement stone is subjected to an external load.

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Section: Introductionmentioning

confidence: 99%

Synergistic Effect of Latex Powder and Rubber on the Properties of Oil Well Cement-Based Composites

Song

Liu

et al. 2018

Advances in Materials Science and Engineering

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“…However, these requirements have been postponed due to the high cost of crumb rubber production as well as time and efforts required for incorporation of the rubber into asphalt paving mixes using the so-called 'wet' process (Segre et al 2006). The consumption of waste tyres in asphalt pavement construction varies from state to state, with the maximum consumption of 20%.…”

Section: Introductionmentioning

confidence: 99%

“…Thai researchers Sukontasukkul and Chaikaew (2005) determined that compared to reference concretes, much higher fracture energy was required for the fracture of concretes modified with waste rubber. Segre et al (2006) performed a detailed analysis of fatigue crack development under tensile stress in concretes modified with waste rubber admixture. Subsequent to a microscopic analysis, Segre et al (2006) noticed that cracks developed with growing tensile stress, and these cracks usually occurred along the contact zone of rubber particle and cement matrix.…”

Section: Introductionmentioning

confidence: 99%

“…Segre et al (2006) performed a detailed analysis of fatigue crack development under tensile stress in concretes modified with waste rubber admixture. Subsequent to a microscopic analysis, Segre et al (2006) noticed that cracks developed with growing tensile stress, and these cracks usually occurred along the contact zone of rubber particle and cement matrix. They also found that specimens with waste rubber admixture withstood tensile stress of certain intensities and resisted to the development of wider cracks.…”

Section: Introductionmentioning

confidence: 99%

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Fracture of Concrete Containing Crumb Rubber

Grinys

Sivilevičius

Pupeikis

et al. 2013

Journal of Civil Engineering and Management

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Every year, colossal amounts of used and non-biodegradable rubber tyres are accumulated in the world. Experience shows that the most efficient way to increase the concrete fracture energy G F (N/m) is to use metal or polypropylene fibres. The optimal content of fibre increases concrete resistance to stress (especially tensile stress under bending force). Concrete fracture is not brittle; concrete continues deforming after maximum stresses and is able to resist certain stresses, there is no abrupt decrease in loading. The research has proved that crumb rubber can be used in concretes as an alternative to metal and polypropylene fibres. The investigation has found that rubber waste additives, through their specific properties can partly take up tensile stresses in concrete and make the concrete fracture more plastic; besides, such concrete requires a significantly higher fracture energy and concrete samples can withstand much higher residual strength at 500 mm crack mouth opening displacement (CMOD) and deflection.

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“…aSTM C1018-97 defines several toughness indexes (I 5 , i 10 and i 20 ) as the area under load-deflection curve of a flexural specimen for different times of deflection after crack initiation related to area under the same curve up to the crack initiation. Some authors(Balaha et al, 2007) report a 63.2% increase in the Cracking bridging effect of rubber particles(Segre et al, 2006).…”

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confidence: 99%