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Title: Laboratory characterization of SAM-35 concrete
Authors: Williams, Erin M.
Akers, Stephen A.
Reed, Paul A.
Keywords: Concrete
Compression tests
Extension tests
Material characterization
Material properties
Publisher: Geotechnical and Structures Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: ERDC/GSL TR ; 06-15.
Description: Technical report
Abstract: Personnel of the Geotechnical and Structures Laboratory, U.S. Army Engineer Research and Development Center, conducted a laboratory investigation to characterize the strength and constitutive property behavior of a SAM-35 concrete. Forty-four mechanical property tests consisting of two hydrostatic compression tests, four unconfined compression (UC) tests, 18 triaxial compression (TXC) tests, two uniaxial strain tests, four uniaxial strain load/biaxial unload (UX/BX) tests, three uniaxial strain load/constant volume tests, two uniaxial strain load/constant strain ratio tests, five direct pull (DP) tests, and four reduced triaxial extension (RTE) tests were successfully completed. In addition to the mechanical property tests, nondestructive pulse-velocity measurements were performed on each specimen. The TXC tests exhibited a continuous increase in principal stress difference with increasing confining stress. A recommended compression failure surface was developed from the TXC and UC test results. Test data from the RTE and DP tests were used to develop a recommended extension failure surface for SAM-35. Results from the stress paths of the strain path tests and the recommended compression failure surface exhibited good agreement except for the UX/BX tests.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:Technical Report

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