| Issue |
MATEC Web Conf.
Volume 116, 2017
6th International Scientific Conference “Reliability and Durability of Railway Transport Engineering Structures and Buildings” (Transbud-2017)
|
|
|---|---|---|
| Article Number | 02011 | |
| Number of page(s) | 7 | |
| Section | Structures, Buildings and Facilities | |
| DOI | https://doi.org/10.1051/matecconf/201711602011 | |
| Published online | 10 July 2017 | |
The bearing capacity experimental determination of the keyed joints models in the transport construction
Poltava National Technical Yuri Kondratyuk University, Building Department, Pershotravneviy sq., 24, Poltava, 36011, Ukraine
* Corresponding author: o.o.dovzhenko@gmail.com
The joints ensure the joint performance of the load carrying structural systems and they are the most responsible and important elements. Keyed joints are widely used in construction. They are characterized by an increased resistance to shear. On these grounds the structural concepts of keyed joints need further improvement. The article presents the research results of experimental test pieces five series in the form of single keys and one-keyed joints. Those samples have been tested in Poltava National Technical Yuriy Kondratyuk University. Follow strength factors have been varied: geometric parameters of joints (depth, height, width) and their ratio; angle of support surface (rectangular, trapezoidal and triangular key); level of compression; reinforcement (quality of reinforcement and the nature of its location); jointing width. The samples were made of heavy-weight, expanded clay and fibre concrete. The experiments program includes influence study both of one of these factors and their combinations. The deformations, nature of failure, the ultimate load have been studied. Structural parameters of keyed joints which ensure the efficient behaviour have been installed.
© The Authors, published by EDP Sciences, 2017
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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