[Retracted] An Educational Web-Based Expert System for Novice Highway Technology in Flexible Pavement Maintenance

Table 3

Criteria for the maintenance of transverse cracking.

Evaluation		Road functional	Treatments’ techniques	Pavement condition
Severity	Density
Low	Rare	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
	Intermittent	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
	Frequent	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
	Extensive	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
Medium	Rare	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
	Intermittent	Minor	Routing and seal >6 mm	Corrective
		Major	Routing and seal >6 mm	Corrective
	Frequent	Minor	Chip seal	Preventive
		Major	Chip seal	Preventive
	Extensive	Minor	Reconstruction (CIPR)	Emergency
		Major	Reconstruction (CIPR)	Emergency
High	Rare	Minor	Crack fill	Corrective
		Major	Crack fill	Corrective
	Intermittent	Minor	Chip seal	Preventive
		Major	Chip seal	Preventive
	Frequent	Minor	Reconstruction (CIPR)	Emergency
		Major	Reconstruction (CIPR)	Emergency
	Extensive	Minor	Reconstruction (CIPR)	Emergency
		Major	Reconstruction (CIPR)	Emergency