Influence of Concrete Strength on in Situ Properties of Large Columns

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Title: Influence of Concrete Strength on in Situ Properties of Large Columns

Author(s): Buquan Miao, Pierre-Claude Aitcin, William D. Cook, and Denis Mitchell

Publication: Materials Journal

Volume: 90

Issue: 3

Appears on pages(s): 214-219

Keywords: chloride-ion permeability; columns (supports); temperature; compressive strength; high-strength concrete; splitting-tensile strength; cores; Materials Research

Date: 5/1/1993

Abstract:
The influence of concrete on the measured core compressive and tensile strengths of three large columns was investigated. The lower strength concrete had larger variability in strength than the higher strength concrete. The measured compressive and tensile strengths from the core specimens were found to be between those strengths measured on cylinders cured in air and those cured in water. The permeability was found to decrease significantly with the increased matrix densities of the higher strength concrete.