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|Title:||Concrete mixture selection and characterization study, Olmsted Locks and Dam, Ohio River|
|Authors:||United States. Army. Corps of Engineers. Louisville District.|
Hammons, Michael I.
Neeley, Billy D.
Alexander, A. Michel.
Bombich, Anthony A.
Garner, Sharon B.
Strength of materials
Stresses and strains
Olmsted Locks and Dam
|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-91-9.|
Abstract: This report documents a mixture proportioning investigation and complete thermal and mechanical properties study of potential concrete mixtures for use in constructing the Olmsted Locks and Dam on the Ohio River. The work was intended to support incremental construction analyses of the proposed structure and answer certain key questions about the feasibility of constructing a W-frame lock structure. A matrix of 12 concrete mixtures using Class C fly ash in amounts of up to 50 percent and Class F fly ash in amounts of up to 40 percent of the cementitous materials was proportioned and hatched in the laboratory. From this matrix two mixtures, one with Class C and one with Class F fly ash, were selected based upon compressive strength requirements, economy, and thermal considerations for complete thermal and mechanical characterization. Tests included compressive strength and modulus of elasticity as a function of time, creep, shrinkage, specific heat, thermal diffusivity, coefficient of linear thermal expansion, and thermal conductivity. The results of these tests were analyzed and used to calibrate a time-dependent, visco-elastic material model for concrete to be implemented in a general-purpose, finite-element code.
|Rights:||Approved for public release; distribution is unlimited.|
|Appears in Collections:||Technical Report|
Files in This Item:
|TR-SL-91-9.pdf||7.88 MB||Adobe PDF|