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Endurance of the wooden bridge reinforced by the dowel plates

Lamri Dahoua

Lamri Dahoua

Department of Road Construction and Maintenance, National Transport UniversityKiev, Ukraine
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Dahoua, Lamri
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Fakhridine Boymatov

Fakhridine Boymatov

Faculty of Building Structures, Grounds and Foundations Constructions, Voronezh State Technical UniversityVoronezh, Russia
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Boymatov, Fakhridine
  
Oct 20, 2018
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Article Category: Research Article
Published Online: Oct 20, 2018
Page range: 202 - 207
Received: Jun 01, 2018
Accepted: Sep 03, 2018
DOI: https://doi.org/10.2478/sgem-2018-0023
Keywords
© 2018 Lamri Dahoua, Fakhridine Boymatov, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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
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English
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Journal Subjects:
Geosciences, Geosciences, other, Materials Sciences, Composites, Porous Materials, Physics, Mechanics and Fluid Dynamics
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