Northwest general aviation airfield pavement performance equations.

360 Pages·2.7 MB·en_US

by  Alm, Stephen L.

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Northwest General Aviation
Airfield Pavement
Performance Equations
by
Stephen L.Aim
A reportsubmitted in partialfulfillment
ofthe requirementforthe degreeof
MasterofScience in Engineering
UniversityofWashington
August1996

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Table of Contents
LISTOF TABLES
LISTOF FIGURES
CHAPTER 1.0 INTRODUCTION
1.1 Introduction 1-1
1.2 Prediction Modeling 1-1
1.3 Past Research 1-3
1.4 Purpose 1-4
CHAPTER 2.0 METHODOLOGY
2.1 Introduction 2-1
2.2 FAAAdvisory Circular 150/5390-6 2-1
2.3 PavementCondition IndexOverview 2-2
2.4 Pavement Distress Related to PCI 2-3
2.5 RegressionAnalysis 2-5
2.6 Modeling 2-6
2.7 PCI vs. AGE Curves 2-7
2.7 The PavementCondition Index Rating Scale 2-9
CHAPTER 3.0 DATA REVIEWANDANALYSIS
3.1 Introduction 3-1
3.2 Data Source 3-1
3.3 Reviewof 1988 and 1992 Data 3-3
3.4 Data Interpretationfor 1996 Study 3-5
3.5 PavementComparisons 3-6
3.6 Data Review 3-7
3.6.1 AsphaltConcrete Pavements 3-8
3.6.2 AC Overlays 3-11
3.6.3 Bituminous SurfaceTreatments 3-11
3.6.4 Surface MaintenanceApplications 3-13
3.7 Portland CementConcrete 3-15
3.8 Pavement Life Data 3-15

Table of Contents (con't)
CHAPTER4.0 ANALYSISAND RESULTS
4.1 Analysis Introduction 4-1
4.2 RegressionAnalysis Expanded 4-1
4.3 RegressionAssumptions 4-4
4.4 Regression Equation Development 4-4
4.5 RegressionAnalysis and Results 4-6
4.5.1 Flexible Pavement Results 4-7
4.5.1.1 Regression Models Obtained 4-8
4.5.1.2 Pavement Life Statistics 4-12
4.5.2 AsphaltConcrete Overlays 4-14
4.5.2.1 Regression Models Obtained 4-15
4.5.2.2 Pavement Life Statistics 4-17
4.5.3 Bituminous SurfaceTreatments 4-18
4.5.3.1 Regression Models Obtained 4-18
4.5.3.2 Pavement Life Statistics 4-20
4.5.4 SlurrySealed Pavements 4-21
4.5.4.1 Regression Models Obtained 4-21
4.5.4.2 Pavement Life Statistics 4-23
4.5.5 Chip Sealed Pavements 4-24
4.5.5.1 Regression Models Obtained 4-24
4.5.5.2 Pavement Life Statistics 4-26
4.6 Discussion ofResults 4-26
4.6.1 Airport Pavement Performance 4-26
4.6.2 Surface MaintenanceTechniques 4-27
4.6.3 Equation Models 4-27
CHAPTER 5.0 SUMMARYAND RECOMMENDATIONS
5.1 Summary 5-1
5.2 Recommendations 5-2
APPENDIX LIST
A Summary PCI Survey Procedure A-1
B Example PCI Survey, Washington B-1
C Example PCI Survey, Oregon C-1
D Example PCI Survey, Idaho D-1
E Pavement Database Summary E-1
F Modeling Equation Summary F-1
G Individual State Regression Plots G-1