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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:
Open Access
|Mar 2022

Figures & Tables

Figure 1

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

Figure 3

Location of measurement points along the circumferential section of the shell.
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.
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.
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.
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.
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.
Geometry and finite element mesh adopted in the numerical model.

Figure 9

Selected phase of backfilling.
Selected phase of backfilling.

Figure 10

Vehicular loading as a system of nodal forces.
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).
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).
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).
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: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times 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 Sciendo
This work is licensed under the Creative Commons Attribution 4.0 License.

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