Nonlinear, Incremental Analysis of Mass‐Concrete Lock Monolith
Publication: Journal of Structural Engineering
Volume 117, Issue 6
Abstract
Using the finite element code, ABAQUS, along with user‐developed subroutines and experimentally derived material constants, an incremental construction analysis including thermal loads is performed on a pile‐founded massconcrete lock and dam structure. The modeling, analysis technique, and algorithm involved in performing such an analysis is presented. The computer model is based upon a two‐dimensional, nonlinear incremental analysis that includes the effects of creep, shrinkage, and aging Young's modulus. The presented algorithm is intended to provide a means of assessing a mass‐concrete structures vulnerability to thermal stresses and possible cracking during the construction process. A discussion of the key assumptions and studies that were used in the development of the algorithm are presented. Results from the analyses of a typical lock monolith from the Melvin Price Locks and Dam on the Mississippi River at Alton, Ill. will also be presented to illustrate the usefulness of the algorithm.
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References
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Bombich, T., Garner, S., Jones, W., and Norman, C. D. (1987). Thermal stress analyses of Mississippi River lock and dam 26(R). Waterways Experiment Station, U.S. Army Corps of Engineers, Vicksburg, Miss.
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Truman, K., Petruska, D., and Ferhi, A. (1989). “Evaluation of thermal and incremental construction effects for monolith AL‐3 and AL‐5 of Melvin Price locks and dam,” Structural Engineering Report No. 84, Washington Univ., St. Louis, Mo.
7.
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Copyright © 1991 ASCE.
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Published online: Jun 1, 1991
Published in print: Jun 1991
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