<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The algorithm presented in this paper concerns the processing of data in the form of coordinates of measurement points located around the structure periphery, obtained from the geodetic measurements. The geometric parameter used here to study the deformation of the steel shell is the change of curvature. It is used to estimate the bending moment and hence the normal stress in the corrugated steel shell. The results given in the examples of calculations of the analyzed structure show the possibility of determining places with extreme values. For this purpose, a dense layout of measuring points and use the precision geodesy technique is necessary. Of significant importance in stress estimation is the correction of the geodetic measurement base. This is due to the fact that the points in the initial measurement do not lie on a section of the circle as a reference curve, used to determine the deformation of the shell.</p>
</abstract>

The algorithm presented in this paper concerns the processing of data in the form of coordinates of measurement points located around the structure periphery, obtained from the geodetic measurements. The geometric parameter used here to study the deformation of the steel shell is the change of curvature. It is used to estimate the bending moment and hence the normal stress in the corrugated steel shell. The results given in the examples of calculations of the analyzed structure show the possibility of determining places with extreme values. For this purpose, a dense layout of measuring points and use the precision geodesy technique is necessary. Of significant importance in stress estimation is the correction of the geodetic measurement base. This is due to the fact that the points in the initial measurement do not lie on a section of the circle as a reference curve, used to determine the deformation of the shell.

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

Wroclaw University of Science and Technology

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution 4.0 International License.

The algorithm presented in this paper concerns the processing of data in the form of coordinates of measurement points located around the structure periphery,...

Construction Stage		A	B	C	D	E	F
w (mm)	9	34.7	92.3	28.8	−46.8	−89.4	−116.3
w (mm)	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
u (mm)	11	2.1	33.5	23.9	29.2	26.7	25.7
z_g(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

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

Article Category: 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

Słowa kluczowe
Soil-steel structure, geodetic measurements, strain-gauge measurement, deformations, internal forces

© 2023 Czesław Machelski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Figure 2:

Figure 3:

Figure 4:

Figure 5:

Figure 6:

Figure 7:

Figure 8:

Figure 9:

Figure 10:

Figure 11:

Components of displacements of points No.9 and 11.

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

Article Category: 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

Słowa kluczoweSoil-steel structure, geodetic measurements, strain-gauge measurement, deformations, internal forces

© 2023 Czesław Machelski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1:

Figure 2:

Figure 3:

Figure 4:

Figure 5:

Figure 6:

Figure 7:

Figure 8:

Figure 9:

Figure 10:

Figure 11:

Components of displacements of points No.9 and 11.

Słowa kluczowe
Soil-steel structure, geodetic measurements, strain-gauge measurement, deformations, internal forces