Analytical calculation, marginal and comparative analysis of a flat girderстатья

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1. Полный текст Kirsanov-VGASU-2016.pdf 1,1 МБ 4 апреля 2016 [KirsanovMN]

[1] Kirsanov M. N. Analytical calculation, marginal and comparative analysis of a flat girder // Scientific Herald of the Voronezh State University of Architecture and Civil Engineering. Construction and Architecture. — 2016. — no. 1. — P. 84–105. Statement of the problem. Girder design of statically determinate truss with diagonal lattice unusual species is examined. Using induction, a consistent calculation of truss s with different number of panels displayed the ultimate formula for the deflection of the truss . The result is compared with the analytical expression of the deflection for two standard schemes girder for which expressions of the troughs are also obtained. Results. Analytical expressions for the deflection of the investigated truss s and two truss s in comparison based on the number of panels, size and load are obtained. Asymptotic and limiting properties of the truss are identified. Conclusions. It is shown that for a certain number of panels and dimensions of the proposed scheme truss more stringent than the truss with standard bars. Analyzing the stability of compressed rods and not imposing a limit on the strength of the tie bars considering the formula trough, the conclusion is made about the influence of redistribution of the material between the belts on the overall stiffness of the truss .

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