arithmetic model, aggressive influences, finite elements method, hybrid finite element, reinforced concrete slab, a polymer-concrete layer bending, stress and deformation increments.

The arithmetic model construction of distortion of reinforced concrete slab with a polymer-concrete layer exposed to aggressive influences is introduced. Relevance of this object choice as a matter of actual practice is proved. The least contradictory model for specification of the strain-stress state of reinforced concrete constructions is sampled. The most efficient way of completing such tasks is the finite elements method which lacks the drawbacks of the finite differences method. In this article the arithmetic model of hybrid finite element qualification for the armored reinforced concrete slabs design is considered. The problem of reinforced concrete slab with a polymer-concrete layer bending is dealt with in the presence of dynamic deformation and simple loading, which gives opportunity to introduce concrete as a nonlinear material with its elastic-plastic properties which stay within the strain potential limits. The deformation of creep is not taken into account. The incremental equations connecting stress and deformation increments are provided.

1. Bashkatov Alexander Valerievich post-graduate student, Tula State University, Tula

2. Telichko Victor Grigorievich Ph. D. Sci. Tech., Associate professor, Tula State University, Tula

3. Treschev Alexander Anatolievich Dr. Sci. Tech., Professor, Tula State University, Tula