Asset Management Decision Support System Model：Technical Report

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Asset Management Decision Support System Model：Technical Report 59页

TABLE OF CONTENTS
Page
EXECUTIVE SUMMARY ............................................................................................. 1
BACKGROUND ........................................................................................................... 2
OBJECTIVES .............................................................................................................. 3
INTRODUCTION .......................................................................................................... 4
SUMMARY OF WORK PERFORMED ......................................................................... 5
Existing Practice Review ........................................................................................ 5
Literature Review ................................................................................................. 5
Existing Practice Examples ................................................................................. 7
Agency Profiles .................................................................................................... 13
NJDOT Asset Management Systems .................................................................. 19
Asset Management Decision Support Model Development ................................ 20
Utility Function ..................................................................................................... 21
Concept of Utility............................................................................................... 21
Recommended Utility Function........................................................................... 27
Optimization Model .............................................................................................. 30
The Capital Budgeting Problem ....................................................................... 30
Model Formulation ............................................................................................ 31
Solution Approaches ........................................................................................ 33
Use of the Model for Decision Support .............................................................. 35
Support for Ranking .......................................................................................... 33
Applying Optimization Results ........................................................................ 36
Required System Functionality ........................................................................ 37
CONCLUSIONS ........................................................................................................... 44
APPENDIX A – METIS WORKSHOP SUMMARY....................................................... 45
APPENDIX B – UTILITY FUNCTION PARAMETERS ................................................ 52
LIST OF FIGURES
Page
Figure 1. VDOT Dashboard ......................................................................................... 8
Figure 2. AssetManager NT ........................................................................................ 9
Figure 3. Utah DOT dTIMS Objective Weights ............................................................ 10
Figure 4. Arizona DOT Maintenance Budgeting System ............................................. 12
Figure 5. Georgia DOT Project Prioritization ............................................................... 13
Figure 6. Project List ................................................................................................... 38
Figure 7. Project List – Sorted ..................................................................................... 39
Figure 8. Project Detail – Mobility/Pavement ............................................................... 40
Figure 9. Project Detail – Bridge ................................................................................. 40
Figure 10. Optimization Configuration ......................................................................... 42
Figure 11. Analysis Summary Results ......................................................................... 43
Figure 12. Analysis Summary Graph........................................................................... 43

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