Storm Drainage Channel Rehabilitation

by Mark S. Holstad, Greiner, Inc, Albuquerque, United States,
Kenneth W. Wylie, Greiner, Inc, Albuquerque, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


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: Storms | Channel stabilization | Hydraulic structures | Rehabilitation | Concrete | Failure analysis | Alkalinity and acidity | Aggregates

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