Mechanical properties of young concrete-experiments and modeling

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Title: Mechanical properties of young concrete-experiments and modeling

Author(s): B. Klemczak

Publication: KILW

Volume: 53

Issue: 1

Appears on pages(s): 57-73

Keywords: strength

Date: 1/1/2007

Abstract:
The paper concerns testing and modeling the short-term mechanical properties of young concrete. Uniaxial compressive and tensile strength, the modulus of elasticity and the complete stress-strain curve were determined during the experimental tests. The original triaxial compression tests of young concrete were done on cylindrical specimens using a triaxial compression device ELE Hoek Cell TNX. All tests have been conducted on the concrete specimens at ages of 1, 3, 7 and 28 days. The results of the experiments were compared with the well-known analytical models describing the development of mechanical properties of concrete. Some new conceptions are also proposed, especially for an improved description of the stress-strain relation of young concrete and for the estimation of the strength of young concrete under the triaxial stress state.


Polish Academy of Sciences, International Partner Access.

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