Evaluation and Selection Guide of Method of Repair for Routine Maintenance

摘要

The objective of this field guideline is to provide assistance for the pavement evaluation and selection of method of repair for routine maintenance relative to the extension of service life. First, a strategic overview of routine maintenance activities in terms of pavement condition, assessment, and recommendations for repairs, and second, the comparison of selected routine maintenance treatments in terms of repair cost, life extension, and working time are summarized in the tables. This guideline includes the following: pavement condition evaluation techniques, repair decision flowchart for routine maintenance, detail sheets. Because pavement condition evaluation is the key to determining proper routine maintenance activities, it is needed to validate the extent of distress related damage, the quality of drainage, and relative base/subgrade layer strength using NDT evaluation techniques. Pavement distress condition is considered relative to functional and structural performance in the decision process. Based on the pavement condition evaluation, decision flowchart provides guidance for effective routine maintenance. Moreover, this report introduces the detail plans of current concrete pavement repair methods using many state departments of transportation (DOTs) and the American Concrete Pavement Association (ACPA) to provide various applications for routine maintenance.