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Title: Red River Waterway thermal studies. Report 1, Concrete mixture selection and characterization
Authors: United States. Army. Corps of Engineers. Vicksburg District.
Hammons, Michael I.
Smith, Donald M.
Neeley, Billy D.
Keywords: Concrete mixtures
Concrete research
Hydraulic structures
Mass concrete
Strength of materials
Thermal properties
Thermal stress
Red River Waterway
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-90-8 rept.1.
Description: Technical Report
Abstract: This is the first of two reports documenting the findings of the Red River Waterway Thermal Study. It includes the selection and characterization of the concrete materials in support of thermal- and incremental-construction analyses. The primary objective was to develop and evaluate materials and construction methods which would yield safe, serviceable structures with lower life-cycle costs. Materials (Type II portland cement, Class C fly ash , and aggregates) were selected based upon materials likely to be used in the construction of Locks and Dams 4 and 5. These materials were characterized and used to develop 15 trial concrete mixtures. Ratios of Class C fly ash to total cementitious materials from 0.25 to 0.60 were studied . Water-cement ratios were varied from 0.45 to 0.65. These mixtures were evaluated based upon strength requirements, economy, and thermal considerations. From the 15 mixtures, 4 candidate mixtures were selected for complete thermal and mechanical properties characterization. Tests included thermal properties, adiabatic ternperature rise, creep, elastic modulus, shrinkage, and compressive strength.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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