Study of impact performance of rubber reinforced concrete

Liu, Feng; Chen, Guixuan; Li, Lijuan; Guo, Yongchan

doi:10.1016/j.conbuildmat.2012.06.014

Cited by 204 publications

(94 citation statements)

References 12 publications

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“…Moreover, the toughness energy was proportional to the fiber content under dynamic compression. Liu et al (2012) investigated experimentally and numerically the comparative influence of steel fibers and rubber fibers/particles in fiber reinforced concrete (FRC) composite on the dynamic compression. Incorporating rubber fibers/particles in the concrete mix in lieu of the fine aggregate resulted in a decrease in the dynamic compressive strength.…”

Section: Introductionmentioning

confidence: 99%

Strain Rate Dependent Behavior and Modeling for Compression Response of Hybrid Fiber Reinforced Concrete

Ibrahim

Almusallam

Al-Salloum

et al. 2016

Lat. Am. j. solids struct.

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This paper investigates the stress-strain characteristics of Hybrid fiber reinforced concrete (HFRC) composites under dynamic compression using Split Hopkinson Pressure Bar (SHPB) for strain rates in the range of 25 to 125 s -1 . Three types of fibers -hooked ended steel fibers, monofilament crimped polypropylene fibers and staple Kevlar fibers were used in the production of HFRC composites. The influence of different fibers in HFRC composites on the failure mode, dynamic increase factor (DIF) of strength, toughness and strain are also studied. Degree of fragmentation of HFRC composite specimens increases with increase in the strain rate. Although the use of high percentage of steel fibers leads to the best performance but among the hybrid fiber combinations studied, HFRC composites with relatively higher percentage of steel fibers and smaller percentage of polypropylene and Kevlar fibers seem to reflect the equally good synergistic effects of fibers under dynamic compression. A rate dependent analytical model is proposed for predicting complete stress-strain curves of HFRC composites. The model is based on a comprehensive fiber reinforcing index and complements well with the experimental results.

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Section: Introductionmentioning

confidence: 99%

Strain Rate Dependent Behavior and Modeling for Compression Response of Hybrid Fiber Reinforced Concrete

Ibrahim

Almusallam

Al-Salloum

et al. 2016

Lat. Am. j. solids struct.

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“…The addition of chipped rubber aggregate can also increase impact resistance substantially in both the first crack and failure stages (Liu et al 2012;Najim, Hall 2010). However, the crack width and propagation is larger in comparison with natural aggregate concrete.…”

Section: Introductionmentioning

confidence: 98%

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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“…Recycling is one of the best ways to deal with waste tires up to now. Adding crushed waste tires to concrete to produce rubberized concrete (RC) has gained widespread attention among researchers worldwide, and research areas have included constitutive relationships [10], fatigue performance [11], impact performance [12], freeze/thaw performance [13] and durability performance [14] of RC, among others. Research works shown that generally, concrete with small volume of rubber were used as structural components [15,16].…”

Section: Introductionmentioning

confidence: 99%