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Abrasion Resistance of Self-Consolidating Concrete

Ghafoori, Nader / Najimi, Meysam / Aqel, Mohammad A.

This research investigation is intended to compare the abrasion resistance of self-consolidating concrete (SCC) with that of vibratory-placed concrete (VPC) and to examine the effects of binder content and water-to-binder ratio ( $w / b$ ) on its wear resistance. In comparing SCC with VPC, four mixtures with varying binder contents of 386, 445, 504, and $564 kg / m^{3}$ (650, 750, 850, and 950 pcy) were prepared at a uniform water-to-binder ratio of 0.35. To investigate the effect of quality ( $w / b$ ) and quantity (binder content) of paste on abrasion resistance of SCC, additional SCC mixtures were also prepared with water-to-binder ratios of 0.40 and 0.45. Depth of wear and compressive strength were used to compare experimental results. The results of this investigation revealed better performance of self-consolidating concrete in comparison with vibratory-placed concrete. While compressive strength of SCC mixtures was 15–30% more than the companion VPC mixtures, their final abrasion depths were lower by 50–70%. Similar to conventional concrete, increasing paste quantity and quality of the trial SCC increased abrasion resistance and decreased rate of abrasion.

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Abrasion Resistance of Self-Consolidating Concrete

Ghafoori, Nader / Najimi, Meysam / Aqel, Mohammad A.

This research investigation is intended to compare the abrasion resistance of self-consolidating concrete (SCC) with that of vibratory-placed concrete (VPC) and to examine the effects of binder content and water-to-binder ratio ( $w / b$ ) on its wear resistance. In comparing SCC with VPC, four mixtures with varying binder contents of 386, 445, 504, and $564 kg / m^{3}$ (650, 750, 850, and 950 pcy) were prepared at a uniform water-to-binder ratio of 0.35. To investigate the effect of quality ( $w / b$ ) and quantity (binder content) of paste on abrasion resistance of SCC, additional SCC mixtures were also prepared with water-to-binder ratios of 0.40 and 0.45. Depth of wear and compressive strength were used to compare experimental results. The results of this investigation revealed better performance of self-consolidating concrete in comparison with vibratory-placed concrete. While compressive strength of SCC mixtures was 15–30% more than the companion VPC mixtures, their final abrasion depths were lower by 50–70%. Similar to conventional concrete, increasing paste quantity and quality of the trial SCC increased abrasion resistance and decreased rate of abrasion.

Abrasion Resistance of Self-Consolidating Concrete

Ghafoori, Nader / Najimi, Meysam / Aqel, Mohammad A.

This research investigation is intended to compare the abrasion resistance of self-consolidating concrete (SCC) with that of vibratory-placed concrete (VPC) and to examine the effects of binder content and water-to-binder ratio ( $w / b$ ) on its wear resistance. In comparing SCC with VPC, four mixtures with varying binder contents of 386, 445, 504, and $564 kg / m^{3}$ (650, 750, 850, and 950 pcy) were prepared at a uniform water-to-binder ratio of 0.35. To investigate the effect of quality ( $w / b$ ) and quantity (binder content) of paste on abrasion resistance of SCC, additional SCC mixtures were also prepared with water-to-binder ratios of 0.40 and 0.45. Depth of wear and compressive strength were used to compare experimental results. The results of this investigation revealed better performance of self-consolidating concrete in comparison with vibratory-placed concrete. While compressive strength of SCC mixtures was 15–30% more than the companion VPC mixtures, their final abrasion depths were lower by 50–70%. Similar to conventional concrete, increasing paste quantity and quality of the trial SCC increased abrasion resistance and decreased rate of abrasion.

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Title:

Abrasion Resistance of Self-Consolidating Concrete

Contributors:

Ghafoori, Nader (author) / Najimi, Meysam (author) / Aqel, Mohammad A. (author)

Published in:

Journal of Materials in Civil Engineering ; 26 ; 296-303

Publication date:

2013-05-08

Size:

82014-01-01 pages

ISSN:

0899-1561 , 1943-5533

DOI:

https://doi.org/10.1061/(ASCE)MT.1943-5533.0000847

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

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