Okun I. Durability and deformability of the glued board beam constructions with the layer re-enforcement

The object of research - I-glued board and solid wood beams; goal - theoretical and experimental investigation of the stress-strain state of the glued board elements of various sections (rectangular and double-T) with the using of the method of the layer re-enforcement; methods - classical (analytical) methods of strength of materials, common methods of theoretical and empirical research - an experiment, modelling and analysis, numerical methods using the finite element method based on software and computing systems "LIRA", "SCAD", "ANSYS"; results - first proposed the using of the method of the layer re-enforcement in the I-beams glued board (obtained the patent); first tested the action of uniformly distributed long and short term static full-scale construction or the I-beam glued board using the method of the layer re-enforcement, a span of 12 m; first tested standard small samples of wood, reinforced high-modulus materials; first developed and investigated using the advanced numerical modelling of the stress-strain state the new approach of the strengthening of the near support areas of wooden constructions with the use of the method of the layer re-enforcement, which prevents cracking in the last ones; calculated numerically glued board constructions with the use of the method of the layer re-enforcement; introduced - in the laboratory of wooden construction of the CSRIBC (Moscow) in the project of framework of the glued wood fitness center in Russia, in the learning process OSABA.