Investigating the effect of using steel slag on abrasion resistance of roller-compacted concrete pavement

Goli, Ahmad; Emadi, Hamed; Sadeghi, Peyman

doi:10.1007/s41062-022-00885-x

Cited by 3 publications

(1 citation statement)

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“…The correlation coefficient values are always between +1 and −1. The number 1 indicates a positive correlation, 0 indicates no correlation, and −1 indicates a negative correlation [101,102]. Based on statistical methods [103], for both Pearson's and Spearman's methods, a correlation coefficient in absolute value higher than 0.7 indicates a relatively strong correlation between the two parameters, and a correlation coefficient in absolute value between 0.4 and 0.7 indicates a moderate correlation.…”

Section: Discussionmentioning

confidence: 99%

Carbon Sequestration via Bituminous Composites Containing Recycled High-Density Polyethylene

Sadeghi,

Goli,

Fini

2024

J. Compos. Sci.

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This paper presents an innovative bituminous composite containing recycled high-density polyethylene (HDPE) as a means of carbon sequestration. To prepare the composite, rejuvenators and recycled HDPE were introduced to reclaimed asphalt pavement (RAP), separately and in combination. To evaluate efficacy of rejuvenators, this study used the following three rejuvenators: waste engine oil (WEO), oleic acid (OA), and vacuum bottom (VB). The performance of the bituminous composite containing HDPE and rejuvenators was evaluated using the indirect tensile fatigue test, the rutting resistance test, the resilient modulus test, and the semi-circular bending test. Results showed that applying a combination of rejuvenators and recycled HDPE improved the resistance to fatigue, rutting, and cracking. Particularly, in terms of improving resistance to cracking, OA proved to be the most effective rejuvenator, followed by WEO and VB. In all bituminous composites studied here, the hybrid application of HDPE and rejuvenator proved to be more effective than the rejuvenator or HDPE alone.

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Section: Discussionmentioning

confidence: 99%