Verification of lira-sapr calculation of i-beams with two symmetry axes for general stability in transverse bending in the plane with maximum stiffness [PDF]
E3S Web of Conferences, 2023 The paper considers verification of calculation of split I-beams with two symmetry axes on the general Eulerian stability at transverse bending in the plane of maximum stiffness in the software package (PC) LIRA-SAD.
Makeev S.A. +3 more
doaj +4 more sources
Seismic resistance evaluation of multi-story buildings using the modern LIRA-SAPR SP [PDF]
E3S Web of Conferences, 2023 This article presents the results of evaluating the seismic resistance of high-rise buildings on real records of the accelogram and on regulatory documents using the LIRA-SAPR SP.
Salyamova K.D. +5 more
doaj +2 more sources
Engineering methodology for calculation of corrugated beams for bending and torsion. Flat bend form stability [PDF]
E3S Web of Conferences, 2023 An engineering design procedure for calculating bending with torsion in corrugated beams, including finding the critical load of general stability, implemented in the commonly used MS Excel spreadsheet and verified in the LIRA-SAPR software package, has ...
Makeev S. A. +3 more
doaj +3 more sources
LIRA-SAPR PROGRAM FOR GENERATING DESIGN MODELS OF RECONSTRUCTED BUILDINGS [PDF]
International Journal for Computational Civil and Structural Engineering, 2018 The paper deals with technique of simulation for buildings at maintenance stage with account of changes in structural model during reconstruction. The authours suggest algorithm for linear and nonlinear analysis of structures in LIRA-SAPR program with ...
Мaria S. Barabash, Maryna A. Romashkina
doaj +3 more sources
Method for optimizing the number of glass-fiber reinforced plastic rebars in concrete structures [PDF]
E3S Web of Conferences, 2021 Innovations in the construction industry have led to a change in the technological structure, the use of end-to-end technologies, innovative materials, information management and the need for new technical, technological and managerial solutions.
Nasybullin Ranel +2 more
doaj +3 more sources
Taking into Account Material Damping in Seismic Analysis of Structures [PDF]
Tehnički Glasnik, 2020 The purpose of this paper is to justify that it is necessary to take into account physical and mechanical properties of soil and different materials of erected structures for damping vibrations in dynamic loads, and to suggest tools for modelling the ...
Mariia S. Barabash +2 more
doaj +2 more sources
Determination of the bearing capacity of encentrally compressed concrete filled steel tubular columns on the basis of the deformation theory of concrete plasticity [PDF]
Вестник Дагестанского государственного технического университета: Технические науки, 2023 Objective. The article proposes a method for finite element analysis of pipe-concrete columns in a physically nonlinear setting by reducing a three-dimensional problem to a twodimensional one based on the hypothesis of plane sections.Method.The equations
K. N. Khashkhozhev +3 more
doaj +3 more sources
Material Damping in Dynamic Analysis of Structures (With LIRA-SAPR Program)
Civil and Environmental Engineering, 2020 The purpose of this paper is to justify that it is necessary to take account of physical and mechanical properties of soil and different materials of erected structure for damping vibrations in dynamic loads; to suggest tools for modelling the damping ...
Barabash Mariia +2 more
doaj +2 more sources
Вестник Дагестанского государственного технического университета: Технические науки, 2019 Objectives. In this research, we set out to explore the possibility of increasing the resistance of three-layered panels with a pyramid filler filled with fibrous material to dynamic loads.
O. M. Ustarkhanov +3 more
doaj +3 more sources
THE MODELING OF STRUCTURAL ENFORCEMENT BY COMPOSITE MATERIALS ON “LIRA-SAPR”
International Journal for Computational Civil and Structural Engineering, 2017 This paper provides detailed suggestions for process of modeling the structural reinforcement by composite materials on the software package "LIRA-SAPR".
Maria S. Barabash +2 more
doaj +3 more sources