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The U.S. Air Force has conducted research and development work since the early 1960s to improve the capability to repair bomb damaged airfields. As part of the in-house testing for the Rapid Runway Repair (RRR) Program, the Air Force Engineering and Services Center (AFESC) has conducted Development, Test and Evaluation on interim systems for crater and spall repairs. The two interim crater repair methods, precast slab and fiberglass mat over crushed stone, were tested. The precast slab tests were conducted in two phases, using two generations of the slab technology. The fiberglass mat over crushed stone tests compared two different polyurethane resins for use in rainy or high water table conditions. In addition to these tests of the repair methods, a comparative test of compaction equipment performance was conducted. The final test series evaluated the proposed polymer concrete formulations for the interim spall repair system, including water-tolerant polyurethane, furfuryl alcohol, and magnesium polyphosphate.
This report describes instrumentation used during Rapid Runway Repair (RRR) tests with a C-141B and C-5A at RAF Wethersfield during October 1-21, 1985. The RRR test objectives were to validate the Precast Concrete Slab (PCS) and Fiberglass Mat (FGM) repairs for use with strategic airlift aircraft, to collect data on the performance of the two repair types under sustained airlift trafficking, to determine necessary modifications to the repair methods to support sustained airlift aircraft operations, and to provide additional data for the (TAXIG) HAVE BOUNCE Program.
This technical report is divided into two volumes. Volume I contains the technical analysis and weather effects on RRR process, while Appendix A, Weather Data, is published as Volume II because of its size. This report presents the results of a study to identify the effects of weather on Rapid Runway Repair(RRR). There are two major components of the study. The first characterizes the aspects of weather that affect RRR, by area for Korea, Europe, and England. Graphs present data on temperature, precipitation, visibility, wind, and humidity. The second component studies the effects of weather on the RRR process. The process is divided into activities, with associated efficiencies under various weather conditions. Values for the efficiencies are developed from military and industrial data. The two components are combined with a critical path analysis of several RRR procedures. The report identifies potential solutions to some weather-related problems, and make recommendations for further study.