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This volume presents the Appendices A through I. Appendix A contains the feasibility study of the consequences of maintenance and repair. Appendix B is an input guide to and flow chart of the PCI-1 computer program which calculates the pavement condition index (PCI). Appendix C contains the development of the environmental zones. Appendix D shows the questionnaires used on visits to Air Force Bases. Appendix E summarizes all PCI data collected in FY77. Appendix F presents the correlation study of PCI and profile roughness. Appendix G contains the information concerning maintenance and repair of features presented to the engineers attending the workshop. Appendix H describes an economic analysis procedure considering pavement performance. Appendix I contains the weighted performance questionnaires also presented at the workshop. (Author).
This report describes the development of guidelines for determination of maintenance and repair (M and R) needs of airfield pavements. The guidelines are based on the pavement condition index (PCI) and other condition indicators, including rate of deterioration, cause of deterioration, load carry capacity, skid resistance/hydroplaning, surface roughness, and extent of previous M and R. The M and R methods were divided into three general categories: routine, major, and overall. The mean pavement PCI was found to relate strongly to M and R needs represented by these three M and R categories. M and R zones for use in selecting the appropriate M and R category were established based on the mean pavement PCI. Other condition indicators are used to further aid in the selection of feasible M and R alternatives. Recommended M and R methods for the different distress types and severity levels were developed. Economic analysis procedures were developed for comparing M and R alternatives. The airfield pavement condition survey and rating procedures have been successfully field-tested. Performing the condition survey according to these procedures does not require expensive equipment; only a measuring wheel and straightedge are required. The results can be used to rate pavement condition and to select M and R requirements for all pavement features of the airfield.
TRB's Airport Cooperative Research Program (ACRP) Synthesis 22: Common Airport Pavement Maintenance Practices explores how airports implement a pavement maintenance management program, including inspecting and tracking pavement condition, scheduling maintenance, identifying necessary funds, and treating distresses in asphalt and concrete pavements.