Physicomechanical Assessments and Heavy Metals’ Leaching Potential of Modified Asphalt Binders Incorporating Crumb Rubber and Tin Slag Powders

Table 11

Torsional recovery results of CRP modified binders.

Asphalt binder	Recovered angle (^o)	Torsional recovery (%)	% (differences) TR
Control	1	0.6	—
5% CRP	4.2	2.3	1.7
10% CRP	11.1	6.1	5.5
15% CRP	17.2	9.6	9.0