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ARTICLE
Yield condition for concrete under moderate hydrostatic pressure
1
Warsaw University of Technology, Institute of Building Engineering, Warsaw, Poland
Submission date: 2019-10-10
Acceptance date: 2019-12-05
Online publication date: 2020-04-15
Publication date: 2020-04-15
Corresponding author
Aleksander Szwed
Strength of Materials, Theory of Elasticity and Plasticity, Faculty of Civil Engineering, Warsaw University of Technology, Armii Ludowej 16, 00-637, Warszawa, Poland
Strength of Materials, Theory of Elasticity and Plasticity, Faculty of Civil Engineering, Warsaw University of Technology, Armii Ludowej 16, 00-637, Warszawa, Poland
Journal of Theoretical and Applied Mechanics 2020;58(2):325-338
KEYWORDS
TOPICS
ABSTRACT
A yield condition for concrete under moderate hydrostatic pressure is proposed as a nineparameter
extension of the Lubliner yield criterion. The modification is introduced to both
meridional and deviatoric cross-sections. Singularities are eliminated by means of a regularisation
parameter of a clear geometrical interpretation. Calibration is carried out resulting
in analytical formulae for the parameters depending on experimental data for five characteristic
tests. A comparison with experimental data available in literature is drawn, showing
consistency between the yield criterion and the test results. Convexity requirements for the
proposed function are determined, leading to limitations on the input data.
REFERENCES (18)
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