E3S Web Conf.
Volume 281, 2021IV International Scientific Conference “Construction and Architecture: Theory and Practice of Innovative Development” (CATPID-2021 Part 1)
|Number of page(s)||11|
|Section||Structural Mechanics and Structural Theory, Civil and Industrial Construction|
|Published online||02 July 2021|
General case of reinforced concrete rod elements calculation using the diagram method
1 Energoprogress Engineering center LLC, 420044, Kazan, Russian Federation
2 Kazan state power engineering University, 420066, Kazan, Russian Federation
3 Don state technical University, 3440002, Rostov-on-Don, Russian Federation
In ВС 63.13330 the general calculation case for the diagram method is oblique off-center compression, which takes into account only three components of internal force factors in the cross section: the longitudinal force - Nz – and two bending moments relative to the corresponding axes – Mx and My. The other three components-the QX and Qy transfer forces and the MZ torque – are left out of consideration. In addition, for this case, the search in the available literature, including the founders of the diagram method, for the output of calculation formulas, was not successful – in all sources they are given in ready-made form without evidence. This article is intended to try filling in these gaps. For this purpose, based on the expressions for rod displacements that are generally accepted in mechanics, in particular on the Mora integral of displacements, the resolving expressions of the diagram method are obtained in the most general form.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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