Evaluation of Core Strength in High-Strength Concrete


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Title: Evaluation of Core Strength in High-Strength Concrete

Author(s): Robert YuanN, Mostafa Ragab, Robert E. Hill, and James E. Cook

Publication: Concrete International

Volume: 13

Issue: 5

Appears on pages(s): 30-34

Keywords: columns (supports); compressive strength; concrete cores; cylinders; high-strength concretes; strength; temperature; tests; Structural Research

Date: 5/1/1991

Investigation correlates core strength and cylinder strength with regard to strength gain in high-strength concrete. The experiment used two large columns and 96 standard cylinders; half were field-cured and half were moist-cured. Effects of placement temperatures and early concrete temperature due to hydration were evaluated. A comparison on the concrete strength gain was made between cores and cylinders.