Myza O. Combined bending structures with load-bearing side lateral reinforced concrete plates and stone filling

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0420U100417

Applicant for

Specialization

  • 05.23.01 - Будівельні конструкції, будівлі та споруди

26-02-2020

Specialized Academic Board

Д 41.085.01

Odessa State Academy of Civil Engineering and Architecture

Essay

A research object is work on-loading the combined bending constructions with bearing lateral reinforce-concrete plates and lithoidal filling. An aim of work is development of methodology of calculation of bearing strength and deformations of the combined bending constructions with bearing lateral reinforce-concrete plates and lithoidal filling and principles of application of such elements in building. Research methods are methods of structural mechanics (at development of methodology of determination of efforts of cooperation of lateral plastins with lithoidal part); methods of calculation of bending constructions by layer distribution of cut on a height with the use of computer design (at development of methodology of calculation taking into account nonlinear properties of materials); the computer programs of Mathcad and Pascal are for the analysis of the tensely-deformed state and durability of the considered beams of combined after the worked out methodologies; experimental researches on the standards of the combined bending beams with bearing lateral reinforce-concrete plates and filling from bricking and blocks. Results: - worked out and the inculcated methodologies of calculation of durability and, that allow to determine the tensely-deformed state and bearing strength at planning of new and strengthening of existent bending lithoidal constructions, taking into account nonlinear properties of materials, degree of connection of lateral plastins with lithoidal part of construction and other factors that influence on their tensely-deformed state; it is the experimentally confirmed possibility of the use of the combined bending constructions with bearing lateral reinforce-concrete plates and lithoidal filling, that allows to use them in practice; it is the worked out and patented new construction and structural events that allow to make bridges from heatcover material directly on a site area. The results of dissertation drawn on : - by a scientific and production enterprise "Building science" of Academy of building of Ukraine at development of projects of strengthening of objects to Sumy; - by a firm "Вторма" at the reconstruction of unoccupied building on a street Garden, 15 in Uman of the Tcherkasy area in part of strengthening of brick walls by means of lateral reinforce-concrete plastins; it is LTD. Ilokomsvit during major repairs of educational corps №4 NU ОМА, Odesa; it is LTD. "Sigol" during major repairs of School № 63, Odesa. Data got on the basis of an offer methodology of determination of bearing strength and deformability at the bend of the combined bending constructions with bearing lateral reinforce-concrete plates and lithoidal filling validified by a satisfactory coincidence with the results of physical experiment.

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