| Issue |
MATEC Web Conf.
Volume 251, 2018
VI International Scientific Conference “Integration, Partnership and Innovation in Construction Science and Education” (IPICSE-2018)
|
|
|---|---|---|
| Article Number | 03016 | |
| Number of page(s) | 8 | |
| Section | Engineering and Smart Systems in Construction | |
| DOI | https://doi.org/10.1051/matecconf/201825103016 | |
| Published online | 14 December 2018 | |
Optimization of flat-oval pipes and perspectives of their application in beam structures
1
Department of Project Grant Organization, Institute of Service, Tourism and Design (branch) of North Caucasus Federal University in Pyatigorsk, 357500, Pyatigorsk, St. 40 let Octyabrya, 56, Russia
2
"Construction” Department, Institute of Service, Tourism and Design (branch) of North Caucasus Federal University in Pyatigorsk, 357500, Pyatigorsk, St. 40 let Octyabrya, 56, Russia
3
"Design” Department, Institute of Service, Tourism and Design (branch) of North Caucasus Federal University in Pyatigorsk, 357500, Pyatigorsk, St. 40 let Octyabrya, 56, Russia
* Corresponding author: al_marut@mail.ru
A new technical solution for re-profiling round tubes into flat-oval ones with a ratio of 1 / 3,064 is presented, which increases their bending strength. The calculation of the optimal parameters of thin-walled sections of the flat-oval shape is given by an approximate method, the correctness of which is confirmed by testing from the standard profiles used. This calculation is repeated with respect to thin-walled sections of the oval shape. The whole diagram of changes in the design parameters of flat-oval and oval pipes is presented in the transformation of their cross-sections from vertical configurations to horizontal ones, including the transition through the outline of a circular shape. The comparative analysis of optimized cross sections of flat oval, oval and round tubes is carried out taking into account the elastic and elastic-plastic deformations of the structural material, where the length of the midline of the thin-walled section is taken as the dividing line between these deformations. The choice is substantiated in favour of flat-oval profile pipes due to their simpler shape including faces of constant curvature (flat and semi-circular), relatively low cost, lower height, greater compactness, higher resistance moment.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.