A Study on the Shrinkage Crack Resistance of Self-Compacting Concrete


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Title: A Study on the Shrinkage Crack Resistance of Self-Compacting Concrete

Author(s): A. Yasumoto, Y. Edamatsu, M. Mizukoshi and S. Nagaoka

Publication: Special Publication

Volume: 179


Appears on pages(s): 651-670

Keywords: cracking (fracturing); drying shrinkage; portland cement; self compacting concrete; shrinkage; tensile strength

Date: 6/1/1998

in conjunction with Self-Compacting Concrete and the varying resistance levels to shrinkage crack due to autogenous and drying shrinkage. Resistance was estimated by comparing the cracking-ages of the concrete under restrained conditions. The powdered materials used were normal portland cement, low-heat portland cement, portland blast-furnace slag cement, two blends of normal portland cement and limestone powder (the blending volume ratios of limestone powder were 30% and 55%). From the results of the experiments, it became clear that the resistance level of Self-Compacting Concrete to shrinkage crack was quite different depending on the type of powdered materials used.