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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.

Figure 2:

Scheme of shell deflections and contact forces.

Figure 3:

Scheme of examined structure.

Figure 4:

The steel structure radial displacements functions (analyzed section).

Figure 5:

Calculation scheme of the circumferential section of the shell.

Figure 6:

Correction of coordinates of point D.

Figure 7:

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

Figure 8:

Changes of radii of curvature near the structure crown point.

Figure 9:

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.

Figure 11:

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
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.