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

Czesław Machelski

Czesław Machelski

Wroclaw University of Science and Technology
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Machelski, Czesław
 oraz 
Piotr Tomala

Piotr Tomala

ViaCon Polska Sp. z o.o Rydzyna
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Tomala, Piotr
  
03 paź 2023
Shell Deformation During the Construction of Record Span Soil-steel Buried Structure in Ras-Al-Khaimah (UAE)'s Cover Image
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Kategoria artykułu: Original Study
Data publikacji: 03 paź 2023
Zakres stron: 197 - 208
Otrzymano: 18 mar 2022
Przyjęty: 03 kwi 2023
DOI: https://doi.org/10.2478/sgem-2023-0007
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© 2023 Czesław Machelski et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

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 Stage A B C D E F
w (mm) 9 34.7 92.3 28.8 −46.8 −89.4 −116.3
11 19.6 −7.9 −55.2 −116.9 −143.2 −164.7
u (mm) 9 −4.5 15.3 4.3 5.1 3.3 3.2
11 2.1 33.5 23.9 29.2 26.7 25.7
zg(m) 7.54/7.25 9.78/9.99 10.44/11.04 10.48/11.32 11.07/11.92 11.73/12.32
Date 25.09 01.11 08.12 15.12 31.12 15.01
Język:
Angielski
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Nauki o Ziemi, Nauki o Ziemi, inne, Nauka o materiałach, Kompozyty, Materiały porowate, Fizyka, Mechanika i dynamika płynów
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