Document Type

Technical Report

Publication Date

11-1999

Performing Organization

Marquette University, Department of Civil, Construction, and Environmental Engineering and University of Wisconsin - Platteville, Department of Civil Engineering

Contract or Grant Number

WisDOT SPR # 0092-45-64

Abstract

The current pavement design and selection process of WisDOT for all new pavements or reconstructions of existing pavement structures provides for the design of one asphaltic concrete (AC) and one portland cement concrete (PCC) pavement alternative. Life-cycle costs analyses are then used to determine the preferred alternative for construction. Previous restrictions in the WisDOT pavement selection process have essentially excluded the construction of thick AC (AC thickness > 150 mm) and thin PCC (PCC thickness < 225 mm) pavements and thus the validity of current life-cycle cost inputs for these pavement types is under question.

This report presents a performance analysis of existing thick AC and thin PCC pavements constructed in and around Wisconsin. The performance trends developed indicate current design assumptions utilized by WisDOT, related to the expected service life to first rehabilitation of AC and PCC pavements, may also be used for thick AC and thin PCC pavements.

Comments

Investigation of Feasible Pavement Design Alternatives for WisDOT (WI/SPR 15-99). Milwaukee, WI, Marquette University, Department of Civil, Construction, and Environmental Engineering (1999)

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