NCHRP Report 523: Optimal Timing of Pavement Preventive Maintenance Treatment Applications
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NCHRP Report 523:
Optimal Timing of Pavement Preventive Maintenance Treatment Applications
(2005)
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Overview

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Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 523: Optimal Timing of Pavement Preventive Maintenance Treatment Applications describes a methodology for determining the optimal timing for the application of preventive maintenance treatments to flexible and rigid pavements. NCHRP Report 523 also presents the methodology in the form of a macro-driven Microsoft Excel Visual Basic Application--designated OPTime.

OPTime User's Guide

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Publication Info

86 pages | 8.5 x 11
Contents

Table of Contents

skim chapter
Front Matter i-x
Summary 1-3
Problem Statement 4-4
Research Approach 5-5
Organization of the Report 6-6
Overview of Preventive Maintenance 7-7
Preventive Maintenance Treatments for Bituminous- and Concrete-Surfaced Pavements 8-8
Treatment Attributes 9-9
Characteristics of Selected Treatments 10-16
Summary 17-17
Pavement Performance 18-18
Benefit Weighting Factors 19-20
Cost Considerations 21-22
Step 1: Analysis Session Setup 23-23
Step 2: Selection of Benefit Cutoff Values 24-24
Step 3: Computation of Areas Associated with the Do-Nothing Case 25-25
Step 5: Computation of Expected Service Life of the Post-Treatment Case 26-26
Step 6: Computation of Areas Associated with the Post-Treatment Case 27-30
Step 8: Computation of Overall Benefit 31-31
Step 9: Cost Computations 32-32
Step 10: Determining the Most Cost-Effective Timing Scenario 33-34
Built-In Flexibility 35-35
Analysis Setup 36-36
Case Study #1 - Arizona 37-41
Case Study #2 - Kansas 42-49
Case Study #3 - Michigan 50-54
Case Study #4 - North Carolina 55-59
Summary 60-61
Treatment Performance and Do-Nothing Pavement Performance 62-62
Suggestions for Additional Research, 63-63
References 64-64
Appendix C - User's Guide for the Optimal Preventive Maintenance Timing Analytical Tool (OPTime) 65-65
Appendix D - Plan for Constructing and Monitoring Preventive Maintenance Test Sections 66-64
Appendix E - Example Illustrating the Inclusion of Different Cost Types 65-75
Abbreviations used without definitions in TRB publications 76-76

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