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Creep of concrete under multiaxial compression
Conclusions The characteristics of elasticity and creep of mature concrete under uni-, bi-, and triaxial compression in the region of linear creep do not depend on the type of stress state and can be determined in ordinary uniaxial experiments.The assumption of equality of Poisson's ratios of elastic strains and creep and their constancy in time made in the linear theory of an elastically creeping body is admissible.The usual assumption of independence of the action of forces in various directions with consideration of Poisson's strains (e.g., the generalized Hooke's law) is confirmed by experiments with the long action of time-constant compressive stresses not exceeding 30–40% of the ultimate strength.
Creep of concrete under multiaxial compression
Conclusions The characteristics of elasticity and creep of mature concrete under uni-, bi-, and triaxial compression in the region of linear creep do not depend on the type of stress state and can be determined in ordinary uniaxial experiments.The assumption of equality of Poisson's ratios of elastic strains and creep and their constancy in time made in the linear theory of an elastically creeping body is admissible.The usual assumption of independence of the action of forces in various directions with consideration of Poisson's strains (e.g., the generalized Hooke's law) is confirmed by experiments with the long action of time-constant compressive stresses not exceeding 30–40% of the ultimate strength.
Creep of concrete under multiaxial compression
Kogan, E. A. (author)
1983
Article (Journal)
English
BKL:
56.30
Wasserbau
Local classification TIB:
770/6550/8000
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