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Displacements of shell in soil-steel bridge subjected to moving load: determination using strain gauge measurements and numerical simulation Cover

Displacements of shell in soil-steel bridge subjected to moving load: determination using strain gauge measurements and numerical simulation

Studia Geotechnica et Mechanica
Volume 44 (2022): Issue 1 (March 2022)
By: Czesław Machelski,  Maciej Sobótka and  Szczepan Grosel  
Open Access
|Mar 2022
Figures & tables

Figures & Tables

Figure 1

Photograph of the shell during backfilling (a) and geometry of its longitudinal cross section (b).

Figure 2

Cross section of the circumferential band of the shell.

Figure 3

Location of measurement points along the circumferential section of the shell.

Figure 4

Plot of measured unit strains εg and εD for xp = 0 m in the initial passage.

Figure 5

Horizontal (a) and vertical (b) displacement of point 6 during the loading test.

Figure 6

Horizontal (a) and vertical (b) displacement of point 9 during the loading test.

Figure 7

Horizontal (a) and vertical (b) displacement of point 12 during the loading test.

Figure 8

Geometry and finite element mesh adopted in the numerical model.

Figure 9

Selected phase of backfilling.

Figure 10

Vehicular loading as a system of nodal forces.

Figure 11

Vertical displacement of point No. 6 during consecutive vehicle crossings: without shell ballasting (a) and with ballasting (b).

Figure 12

Vertical displacement of point No. 9 during consecutive vehicle crossings: without shell ballasting (a) and with ballasting (b).

Figure 13

Vertical displacement of point No. 12 during consecutive vehicle crossings: without shell ballasting (a) and with ballasting (b).

Mechanical parameters used in the computations_

Corrugated steel sheet
Young’s modulus210,000 MPa
Poisson ratio0.3
Moment of inertia9.05∙10−5 m4/m
Sectional area1.45∙10−2 m2/m
Unit weight (with ballasting)77 (3080) kN/m3
Backfill soil
Young’s modulus150 MPa
Poisson ratio0.25
Cohesion5 kPa
Friction angle34°
Dilatancy angle9°
Unit weight19 kN/m3
DOI: https://doi.org/10.2478/sgem-2021-0028 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 26 - 37
Submitted on: Apr 23, 2021
Accepted on: Oct 4, 2021
Published on: Mar 31, 2022
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
soil-steel structure,
moving load,
strain gauge
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2022 Czesław Machelski, Maciej Sobótka, Szczepan Grosel, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 44 (2022): Issue 1 (March 2022)
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