| Issue |
MATEC Web Conf.
Volume 107, 2017
Dynamics of Civil Engineering and Transport Structures and Wind Engineering – DYN-WIND’2017
|
|
|---|---|---|
| Article Number | 00053 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/matecconf/201710700053 | |
| Published online | 24 May 2017 | |
Axial force and bending stiffness
Slovak University of Technology, Faculty of Civil Engineering, Department of Structural Mechanics, 810 05 Bratislava, Radlinského 11, Slovakia
* Corresponding author: lubos.snirc@stuba.sk
In the solution of effects of axial force on the bending stiffness, geometrical nonlinear analysis must be used. Tensile axial force generates an increase of the bending stiffness. In case of low bending stiffness (e.g. cable) the task is simplified and it is possible to determine the tensile force needed to achieve required bending stiffness. When considering the compression force, many problems occur. This force cannot exceed the critical force. This principle is not valid, if there is an initial imperfection, which is perpendicular to the transversal load. Knowing the frequency of beam can help to identify the size of axial force. In case of compression force one gets a combination of stability and vibration.
© The Authors, published by EDP Sciences, 2017
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