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Creep of concrete under multiaxial compression

Kogan, E. A.

Conclusions 1. 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. 2. 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. 3. 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.

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Creep of concrete under multiaxial compression

Kogan, E. A.

Conclusions 1. 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. 2. 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. 3. 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.

Conclusions 1. 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. 2. 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. 3. 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.

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Title:

Creep of concrete under multiaxial compression

Contributors:

Kogan, E. A. (author)

Published in:

Hydrotechnical Construction ; 17 ; 448-452

Publication date:

1983-09-01

Size:

5 pages

ISSN:

1570-1468 , 0018-8220

DOI:

https://doi.org/10.1007/BF01425303

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Energy Source , Power Generation , Compressive Stress , Elastic Strain , Ultimate Strength Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics

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