Factors Affecting Maintenance Probability and Resurfacing Thickness Based on the Pavement Management System

Table 3

The performance indicators.

Indicators	Full name	Description
Pre-IRI (m/km)	Pretreatment international roughness index	IRI value in the last detection before treatment
Pre-RD (mm)	Pretreatment rutting depth	RD value in the last detection before treatment
Pre-SFC	Pretreatment side-way force coefficient	SFC value in the last detection before treatment
Pre-TCSI (%/m)	Pretreatment transverse cracking severity index	TCSI value in the last detection before treatment
Pre-PPR (%)	Pretreatment pavement patching ratio	The patching ratio (including patching and surface pit) in the last detection before treatment
Pre-SDR (%)	Pretreatment surface damage ratio	The surface damage ratio (except for transverse crack, patching, and surface pit) in the last detection before treatment
Pre-DRIRI (m/km/year)	Pretreatment deterioration rate of IRI	The slope of the pretreatment IRI linear deterioration model
Pre-DRRD (mm/year)	Pretreatment deterioration rate of RD	The slope of the pretreatment RD linear deterioration model
Pre-DRSFC	Pretreatment deterioration rate of SFC	The slope of the pretreatment SFC linear deterioration model