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- W3115863559 abstract "The world experience of introduction of wooden constructions, in particular constructions from glued wood, confirms expediencyof their use. One of the main structures made of glued wood are beams. Reinforcement of beam structures allows to increase their durability andincrease rigidity considerably.Taking into account the structure and features of the work of glued wood elements of rectangular cross-section, reinforced with composite reinforcement, for a detailed analysis of the stressstrain state, a method is proposed, which consists in applying to the standard formulas of calculation of the cross-sectional characteristics: , the reducedmoment of inertia, the reduced moment of resistance. To calculate the elements of glued wood of rectangular cross section, reinforced with composite reinforcement, according to the second limitstate (serviceability), it is proposed to use the reduced modulus of elasticity of the section to the boards of the outer layers, in which the maximum normal stresses will be observed.To analyze the proposed method, a number of numerical studies of conventional glued beams and glued beams reinforced with composite reinforcement of the same strength class using analyticalcalculation methods and using the finite elementmethod (FEM) in the software package ) LIRACAD, using flat finite elements (CE).From the conducted numerical researches it is visible that results of calculations of beams made of the glued wood reinforced by composite armature and the ones made of the glued wood of oneclass of durability differ within 25% towards increase of values of deflections and normal stresses in the elements from the glued wood reinforced. composite reinforcement depending on the percentage of reinforcement.It is confirmed that the analytical calculation of glued wood beams reinforced with composite reinforcement is recommended to be carried out according to the proposed method. This techniqueallows to take into account the thickness and mechanical characteristics of wood boards that make up the glued cross-section of the element and reinforcement, which significantly expands the rangeof use of glued wood cross-sections reinforced with composite reinforcement.In addition, the modeling of plywood structures reinforced with composite reinforcement is possible with rod elements with the provision of the reduced modulus of elasticity according to the proposed method, which greatly simplifies the calculation of complex rod systems." @default.
- W3115863559 created "2021-01-05" @default.
- W3115863559 creator A5037598685 @default.
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- W3115863559 date "2020-12-17" @default.
- W3115863559 modified "2023-10-18" @default.
- W3115863559 title "Engineering method of calculation of elements made of glued timber reinforced with composite reinforcement" @default.
- W3115863559 doi "https://doi.org/10.32347/2522-4182.7.2020.93-100" @default.
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