Problem The Naval Air Station (NAS) in Corpus Christi, Texas, had an emergency problem on their hands when Runway 13L/31R settled so significantly that it prevented small aircraft operations. The whole runway had to be shut down because of these settlement issues, and NAS needed to find an immediate and long-term runway stabilization solution so that aircraft operations could resume safely. The NAS contracted URETEK to repair a section of pavement on the runway located above a drainage culvert that was exhibiting distress, and return the runway to operational status in a timely manner. Analysis While a previous repair of the 36-inch reinforced concrete pipe storm culvert corrected leaking issues and prevented further loss of soil, it did not address the poor compaction and loss o

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