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Endurance of the wooden bridge reinforced by the dowel plates Cover

Endurance of the wooden bridge reinforced by the dowel plates

Studia Geotechnica et Mechanica
Volume 40 (2018): Issue 3 (November 2018)
By: Lamri Dahoua and  Fakhridine Boymatov  
Open Access
|Oct 2018

Figures & Tables

Figure 1

a. Wooden bridge in Kenozero National Park, Russia (Alexey Kudenko/RIA Novosti). b. Wooden bridge (160 m), designed with glulam beams in the Crie de Mistissini, Canada.
a. Wooden bridge in Kenozero National Park, Russia (Alexey Kudenko/RIA Novosti). b. Wooden bridge (160 m), designed with glulam beams in the Crie de Mistissini, Canada.

Figure 2

Dependence of the coefficient of endurance on the coefficient of the asymmetry of the loading cycle.
Dependence of the coefficient of endurance on the coefficient of the asymmetry of the loading cycle.

Figure 3

Dependence of the endurance coefficient corresponding to the number of loading cycles of N = 2 million depending on the coefficient of the asymmetry of the loading cycle.
Dependence of the endurance coefficient corresponding to the number of loading cycles of N = 2 million depending on the coefficient of the asymmetry of the loading cycle.

Values of fatigue characteristics of wood (Ry)_

Image of the stressful element stateSpecial symbols usedValue of the calculated resistance fatigue for first-grade wood, MPa
Bending along the fibresRу12.00
Compression along fibresRусо12.00

Comparison of the experimental and calculated values of the endurance factor_

No.Determination methodEndurance factor at
ρ = 0.20ρ = 0.25
1Experimental0.4590.470
2Calculated0.4510.475
3Error, %-1.77+1.05
DOI: https://doi.org/10.2478/sgem-2018-0023 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 202 - 207
Submitted on: Jun 1, 2018
|
Accepted on: Sep 3, 2018
|
Published on: Oct 20, 2018
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
road infrastructure,
railway,
fatigue,
number of loads
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2018 Lamri Dahoua, Fakhridine Boymatov, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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