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|Title:||Improved strength design of reinforced concrete hydraulic structures - research support|
|Authors:||Information Technology Laboratory (U.S.)|
Woodson, Stanley C.
Price, William A.
Reinforced concrete hydraulic structures
Tension control failures
Reinforced concrete construction
|Publisher:||Structures Laboratory (U.S.)|
Engineer Research and Development Center (U.S.)
|Series/Report no.:||Technical report (U.S. Army Engineer Waterways Experiment Station) ; SL-92-11.|
Abstract: Strength design (SD) criteria for reinforced concrete hydraulic structures (RCHS) have been based on a procedure that resulted in equivalence with the working stress method given in Engineer Manual 1110-1-2101, dated 1963. Recent studies have been directed toward reducing the conservatism associated with the working-stress-equivalent SD procedure, thereby, improving the economy of RCHS. Parametric studies indicate that an adjustment to the ACI 318-89 load factors results in close agreement with working stress designs for tension-control failures and for pure compression failures. These are the failure zones that are of primary interest for the design of RCHS. Also, serviceability is a primary concern for RCHS. In regard to serviceability, a primary parameter considered in this study was the ratio Pmu (steel ratio as a fraction of the balanced reinforcement ratio).
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