Open AccessMODELING OF STRESS-DEFORMED STATE OF BENDED REINFORCED CONCRETE ELEMENTS IN ZONES OF CLEAN AND TRANSVERSE BEND
Author(s) -
Anatoly A. Prokopovich,
Прокопович Анатолий Александрович,
Yana A. Buzovskaya,
Бузовская Яна Александровна
Publication year - 2021
Publication title -
gradostroitelʹstvo i arhitektura
Language(s) - English
Resource type - Journals
eISSN - 2782-2109
pISSN - 2542-0151
DOI - 10.17673/vestnik.2021.01.3
Subject(s) - bent molecular geometry , structural engineering , beam (structure) , transverse plane , bending , stress (linguistics) , materials science , finite element method , oblique case , deformation (meteorology) , stress–strain curve , reinforced concrete , composite material , engineering , linguistics , philosophy
The article deals with the analysis of the stress-strain state (SSS) of a bent reinforced concrete element in zones of pure and transverse bending. It is assumed that a bent element in the process of loading (after the formation of normal and oblique cracks) is divided into blocks, united by uncracked concrete and reinforcement that has adhesion to concrete. SSS was formed using the results of experimental studies of special prototypes in the PC “Lira-SAPR”. A fi nite element model of a prototype has been developed in the form of a reinforced concrete rectangular beam loaded with two identical concentrated forces in the span. By the method of successive approximations, the process of formation and formation of a system of cracks is realized, with which the beam is divided into blocks during loading. The results of calculating the fi nite element model and their comparison with experimental data are presented.