Belyaeva S. Strength and deformation properties of reinforced concrete slabs reinforced with steel shaped flooring and cross anchors

The dissertation is devoted to the development of methods of calculation of strength and deforma-tion properties of standard cross-sections of the bent reinforced concrete elements additionally reinforced with steel shaped flooring (SSF) on the basis of real diagrams of deformation of concrete and SSF. Based on the pilot research of the slabs, additionally reinforced with one and two SSF, the optimum step of an-chors in span and its influence on strength and deformation properties of the concrete slabs have been proved. The effective constructive solution for the slabs additionally reinforced with two SSF, with im-proved specific load-carrying capacity is offered. Design procedures for strength and deformation proper-ties of standard cross-sections of the bent reinforced concrete elements additionally reinforced with the SSF on the basis of full diagram of deformation of concrete and Prandtl's elasto-plastic diagram in con-crete and steel shaped flooring have been developed. Offers on the developmentof a method of limiting balance for statically indeterminate elements made of plastic-restricted materials, reinforced with SSF are presented. The results of research have been noted in national normative documents and in training pro-grams for experts and masters at leading building high schools of Ukraine. It has been taken out an in-ventor's patent for the slab with two steel shaped floorings on the materials of research. Keywords: concrete slab, steel shaped flooring, constructive solution, strength, deformation prop-erties, real diagrams of deformation.