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Shell Deformation During the Construction of Record Span Soil-steel Buried Structure in Ras-Al-Khaimah (UAE) Cover

Shell Deformation During the Construction of Record Span Soil-steel Buried Structure in Ras-Al-Khaimah (UAE)

Open Access
|Oct 2023

Figures & Tables

Figure 1:

Grade separation during construction – general view.
Grade separation during construction – general view.

Figure 2:

Scheme of shell deflections and contact forces.
Scheme of shell deflections and contact forces.

Figure 3:

Scheme of examined structure.
Scheme of examined structure.

Figure 4:

The steel structure radial displacements functions (analyzed section).
The steel structure radial displacements functions (analyzed section).

Figure 5:

Calculation scheme of the circumferential section of the shell.
Calculation scheme of the circumferential section of the shell.

Figure 6:

Correction of coordinates of point D.
Correction of coordinates of point D.

Figure 7:

Correction of the location of measurement points around the structure periphery.
Correction of the location of measurement points around the structure periphery.

Figure 8:

Changes of radii of curvature near the structure crown point.
Changes of radii of curvature near the structure crown point.

Figure 9:

Changes in curvature along the structure periphery.
Changes in curvature along the structure periphery.

Figure 10:

Changes in internal forces in the area of the structure crown point, obtained from strain gauge measurements.
Changes in internal forces in the area of the structure crown point, obtained from strain gauge measurements.

Figure 11:

Changes in soil pressure in the structure crown point.
Changes in soil pressure in the structure crown point.

Components of displacements of points No_9 and 11_

Construction StageABCDEF
w (mm)934.792.328.8−46.8−89.4−116.3
1119.6−7.9−55.2−116.9−143.2−164.7
u (mm)9−4.515.34.35.13.33.2
112.133.523.929.226.725.7
zg(m)7.54/7.259.78/9.9910.44/11.0410.48/11.3211.07/11.9211.73/12.32
Date25.0901.1108.1215.1231.1215.01
DOI: https://doi.org/10.2478/sgem-2023-0007 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
Language: English
Page range: 197 - 208
Submitted on: Mar 18, 2022
Accepted on: Apr 3, 2023
Published on: Oct 3, 2023
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2023 Czesław Machelski, Piotr Tomala, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.