Research Article
Rutting Resistance of Hot Mix Asphalt Containing Coarse Recycled Concrete Aggregates Coated with Waste Plastic Bottles
Table 8
Results of t-test to investigate the effect of CRCA percentage on the flow number.
| Temperatures | CRCA (%) | Dataset | Levene’s test for equality of variances | t-test for equality of means | Variance | F | Sig. | t | df | Sig. |
| 40°C | 15 | Set 1: untreated | Assumed | 0.051 | 0.832 | −9.794 | 4 | 0.001 | Set 2: treated | Not assumed | −9.794 | 3.901 | 0.001 | 30 | Set 1: untreated | Assumed | 0.150 | 0.718 | −16.758 | 4 | 0.000 | Set 2: treated | Not assumed | −16.758 | 3.726 | 0.000 | 50 | Set 1: untreated | Assumed | 0.062 | 0.815 | −10.815 | 4 | 0.000 | Set 2: treated | Not assumed | −10.815 | 3.880 | 0.000 |
| 60°C | 15 | Set 1: untreated | Assumed | 0.076 | 0.796 | −11.960 | 4 | 0.000 | Set 2: treated | Not assumed | −11.960 | 3.854 | 0.000 | 30 | Set 1: untreated | Assumed | 0.360 | 0.581 | −25.983 | 4 | 0.000 | Set 2: treated | Not assumed | −25.983 | 3.413 | 0.000 | 50 | Set 1: untreated | Assumed | 1.039 | 0.366 | −44.140 | 4 | 0.000 | Set 2: treated | Not assumed | −44.140 | 2.755 | 0.000 |
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