Formation of design schemas and determination of the stress-strain state of steel structures in the process of reconstruction and reinforcement
Abstract: The formalized method of presenting design schemes of steel structures subject to reconstruction and reinforcement by changing the structural scheme and regulation efforts in the «redundant» linkages is proposed. To determine the stress-strain state structure with regard to changes in the design scheme during the process of reconstruction proposed to form and solve a matrix system of equations finite element method with multiple right parts for the basic design scheme. This scheme includes current, deleted, new rods and linkages imposed or liquidated during the reconstruction and reinforcement. Forces in structure is propose to determine as the sum of force in the basic design scheme of external loads and linear combination of forces from units of loads in the «redundant» linkages of the scheme. The input of basic design scheme and process of reconstruction in program optimization OptCAD are described.
Keywords: steel structures, reconstruction, reinforcement, rod system, the design scheme, the stress-strain state.
Pages: 37-47.
For citation: Peleshko, I. D.; Blikharskyy, Z. Ya.; Baluk, I. M. Formation of design schemas and determination of the stress-strain state of steel structures in the process of reconstruction and reinforcement. – Text : electronic. – In: Metal Constructions. – 2013. – Vol. 19, N 1. – Р. 37-47. – URL: https://donnasa.ru/publish_house/journals/mk/2013-1/04_peleschko_bliharskij_baluk.pdf (date of access: 22.11.2024). – ISSN 1993-3517.
Vol. 19, N 1 (2013)
Journal: Metal Constructions
Publish house: Donbas National Academy of Civil Engineering and Architecture
Journal: Metal Constructions
Publish house: Donbas National Academy of Civil Engineering and Architecture