Geodesic
Desctruction of frame composite concrete slab that is~off-center loaded
Žurnal Srednevolžskogo matematičeskogo obŝestva, Tome 26 (2024) no. 3, pp. 313-325.

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The authors simulate non-uniform stress distribution in multilayer building envelope. Its layers, made of different kinds of concrete, are tightly coupled with each other. Such constructions are of significant practical interest because their heat insulation properties may be much better than the corresponding properties of uniform slabs of the same thickness (though their toughness is still sufficient). The authors state the problem about the distribution of equivalent and maximal principal stresses in such a slab. In the framework of this problem loads and kinematic constraints imposed on the body of interest are typical for industrial and civil buildings. Numerical simulation is provided with the aid of ANSYS finite element software package. The paper discusses the reasons for non-physical behaviour demonstrated by the stress after mesh refinement and proposes the way to fix this problem. Then the authors use the approach described to find a critical load causing destruction of the slab.
Keywords: numerical modelling, finite element method, stress-strain state, multilayer building envelopes, strength of constructions 
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A. O. Syromyasov; Yu. A. Makarov; V. T. Erofeev. Desctruction of frame composite concrete slab that is~off-center loaded. Žurnal Srednevolžskogo matematičeskogo obŝestva, Tome 26 (2024) no. 3, pp. 313-325. http://geodesic.mathdoc.fr/item/SVMO_2024_26_3_a5/

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