Influence of Glass Fiber on Fresh and Hardened Properties of Self Compacting Concrete

Ramu, M.; Haridharan, M. K.; Natarajan, C.; Jayasankar, Reeta

doi:10.1088/1755-1315/80/1/012004

Cited by 3 publications

(2 citation statements)

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“…Investigations concern to the self-compacting concrete containing glass fibers and polypropylene fibers are also reported. 21,23,24 There exists a consensus that the controlling the use of fibers, the flexural strength and split tensile strength are improved. [20][21][22][23][24][25][26][27][28] Also, it is agreed that the total volume, size and its spatial dispersion have important roles on the performance of the concrete specimen.…”

Section: Introductionmentioning

confidence: 99%

“…21,23,24 There exists a consensus that the controlling the use of fibers, the flexural strength and split tensile strength are improved. [20][21][22][23][24][25][26][27][28] Also, it is agreed that the total volume, size and its spatial dispersion have important roles on the performance of the concrete specimen. [25][26][27][28] The use of the hooked-end steel fiber in different geometry (i.e.…”

Section: Introductionmentioning

confidence: 99%

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Study of three distinct self-compacting concretes containing marble/granite powder and hooked-end steel fiber contents

Xavier

Gomes

Melo

et al. 2021

Journal of Composite Materials

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In this investigation distinctive self-compacting concretes (SCC) containing both marble + granite (MG) powder and hooked-end steel fibers (HESF) are investigated. A mixture of conventional SCC (reference), and other five samples containing MG and steel fiber (SF) contents are provided, i.e. 20MG, 20SF, 30MG + 10SF, 20SF and 30MG + 20 SF. Both the fresh and hardened properties of the modified self-compacting concretes are evaluated. Workability of the SCC samples represented by slump flow, L-box, V-funnel, J-ring and flowability T500 is examined. The properties of hardened state of the SCC samples at 7 and 28 days are also evaluated. Modulus of elasticity, water absortion, voids index (indicatig porosity), and specific mass are attained. Comparisons among specific strengths and consumptions of cement per compressive strengths are also provided. The SCC/30MG/10SF sample has a specific strength ∼50% higher than the conventional SCC sample. When a ratio involving porosity per cement consumption per tensile strength is evaluated, the SCC/30MG/10SF sample has this ratio ∼80% higher than the SCC reference. Additionally, the best result of consumption of cement (CC) per compressive strength (CS) (1.28x lower than the SCC reference) at 28 days is that of the SCC/30MG/10SF sample (5.03 kg/m3. MPa−1). This indicates that an environmentally friendly aspect associated with low relative cost, which is an important parameter to consider in future SCC mixture designing.

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