Evaluation of Pavement Performance due to Overload Single-Trip Permit Truck Traffic in Wisconsin

Table 4

ME analysis results at investigated test sites.

ME results (at 85% reliability)		STH 140		STH 11		STH 23		STH 26
		Baseline traffic	Baseline + permit traffic	Baseline traffic	Baseline + permit traffic	Baseline traffic	Baseline + permit traffic	Baseline traffic	Baseline + permit traffic
Terminal IRI (m/km)		1.941	1.952	1.849	1.852	1.888	1.890	1.964	1.964
Rutting depth (mm)	All layers	12.3	13.1	11.4	11.6	9.09	9.19	11.2	11.23
	HMA only	2.77	2.90	2.67	2.69	4.83	4.85	5.94	5.94
AC fatigue cracking	Bottom-up (%)	13.0%	15.4%	16.39%	16.68%	8.72%	9.14%	20.56%	20.58%
	Top-down (m/km)	262.4	297.1	435.8	450.6	310.3	317.6	661.6	665.9