Storm Drainage Channel Rehabilitationby Mark S. Holstad, Greiner, Inc, Albuquerque, United States,
Kenneth W. Wylie, Greiner, Inc, Albuquerque, United States,
Abstract: 30 km (19 miles) of existing concrete lines storm drainage channels were studied due to repeated failures. Alternate failures causes were hypothesized and evaluated. Physical testing was performed to evaluate hypotheses. Major failure considerations were determined to be alkali aggregate reactivity and uplift pressures at expansion joints. A grading system was developed to rate channel segments. Construction is underway to implement new joints and overlays.
Subject Headings: Drainage | Rehabilitation | Channel stabilization | Storms | Joints | Failure analysis | Channel flow | Alkalinity | Concrete | Uplifting behavior | Aggregates | North America | Albuquerque | United States | New Mexico
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