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Title: Dynamic properties of mass concrete
Authors: United States. Army. Office of the Chief of Engineers.
Saucier, K. L.
Keywords: Concrete testing
Dynamic tensile strength
Mass concrete
Tensile strength
Publisher: Concrete Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: CTIAC report ; no. 23.
Description: Miscellaneous paper
Abstract: The objective of this study was to determine the tensile strength, cyclical behavior, and stress-strain relationships for concrete under loading conditions (l-10 Hz) such as could be produced by an earthquake. Dynamic direct tensile tests and stress-reversal tests were conducted on core samples from two concrete mixtures representative of mass concrete. Test procedures were developed for cyclical loading and loading to failure in 0.25 to 0.025 sec which represent one-fourth of a cycle having a frequency of 1 to 10 Hz. Stress-strain measurements were made on selected specimens. The procedures used could be modified to become American Society for Testing and Materials (ASTM) test methods for direct-tensile and stress-reversal tests of rock. The tests indicated that there was no significant difference in tensile strength determined statically or dynamically on dry specimens. A 30 percent increase in strength was indicated for wet specimens tested dynamically. Very little hysteresis was evident in the tensile stress-strain curves. The results should be useful in studies conducted to determine the earthquake resistance of mass-concrete structures.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Miscellaneous Paper

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