MATEC Web Conf.
Volume 216, 2018X International Scientific and Technical Conference “Polytransport Systems”
|Number of page(s)||8|
|Section||Infrastructure Projects and Transport Infrastructure Facilities|
|Published online||17 October 2018|
Use of the cross-type dowels when connecting elements of timber bridges
Siberian Transport University, 630049 Novosibirsk, Russia
* Corresponding author: email@example.com
The use of cross-type dowels that are battered down with a gunshot method makes it possible to reduce labor intensity and speed up the process of erection and reconstruction of timber bridges. Objective of this paper is to develop a methodology for estimation of the permissible distance between dowels. For this purpose, the method of holographic interferometry in colliding beams was used. The resulting equations were obtained for the patterns of interference fringes observed in reflected light transmitted through the hologram. The investigations showed that the shear component of the strain tensor decreases exponentially with distance from the dowel. The concept of deformation attenuation constant was introduced, i.e. the distance at which the deformation decreases by e times. It is recommended to set dowels at a distance equal to eight attenuation constants.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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