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|Nonlinear incremental structural analysis of McAlpine Lock Replacement for chamber, miter gate, and culvert valve monoliths
|Structures Laboratory (U.S.)
United States. Army. Corps of Engineers. Louisville District.
Fehl, Barry D., 1957-
Riveros, Guillermo A.
Garner, Sharon B.
|Culvert valve monolith
Miter gate monolith
Lock wall monolith
McAlpine Locks and Dam
Nonlinear, incremental structural analysis
|Informational Technology Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
|Technical report (U.S. Army Engineer Waterways Experiment Station) ; ITL-97-4.
Abstract: In January 1993, the U.S. Army Engineer (USAE) District, Louisville, requested that the USAE Waterways Experiment Station perform a nonlinear, incremental structural analysis (NISA) of the McAlpine Lock Replacement project. The NISA process has been used for approximately the last 10 years to evaluate massive concrete structures for their constructability and to provide a means for considering the effects of various changes to construction procedures. The McAlpine project will be constructed at the existing McAlpine locks, which are located in the shipping canal of the Ohio River at mile 607. The NISA was successful, as it achieved the objectives set out at the beginning of the study and also provided additional information about the construction of the lock wall monoliths. The study showed that concrete could be placed in lifts up to 10 ft high and that a maximum placing temperature of 70°F may be used. Analyses showed that these same parameters could also be used in the construction of the miter gate monolith and culvert valve monolith. The study also showed that the manner in which reinforcing is used is very effective, since the only areas that exhibited cracking or relatively high cracking potentials were near the base of the monolith or around the gallery (both of these locations are reinforced).
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