STRENGTH CRITERIA FOR CONCRETE WITH CORROSION DAMAGE IN COMPLEX STRESS STATE

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Abstract


Introducing the hypothesis of colmatation conversion of concrete structure with corro- sion damage with stabilization at any ultimate depth of damage, the authors have built a strength criterion of the concrete under complex stress state. In the coordinate system of the principal normal stresses, this criterion describes the surface of the ellipsoid, the characteristic dimensions of which are primarily dependent on the kinetics of corrosion processes in time and depth of neutralization. The presented criterion can be used for solution of problems of the survivability of reinforced concrete structural systems under conditions of simultaneous mani- festation of power and environmental impacts.

N V Klyueva

FGBOU VPO "Yugo-Zapadniy Gosudarstvenniy Universitet", Kursk

Email: yz_swsu@mail.ru

N B Androsova

FGBOU VPO "Yugo-Zapadniy Gosudarstvenniy Universitet", Kursk

Email: yz_swsu@mail.ru

M S Gubanova

FGBOU VPO "Yugo-Zapadniy Gosudarstvenniy Universitet", Kursk

Email: yz_swsu@mail.ru

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