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Studia Geotechnica et Mechanica
Volume 43 (2021): Issue s1 (December 2021)
Open Access
Analysis of the structure of liners used for the modernisation of brick collectors
Leszek Wysocki
Leszek Wysocki
,
Cezary Madryas
Cezary Madryas
and
Jacek Grosel
Jacek Grosel
| Dec 22, 2021
Studia Geotechnica et Mechanica
Volume 43 (2021): Issue s1 (December 2021)
Special Issue: Underground Infrastructure of Urban Areas
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Article Category:
Special Issue Article
Published Online:
Dec 22, 2021
Page range:
501 - 509
Received:
Aug 31, 2021
Accepted:
Oct 26, 2021
DOI:
https://doi.org/10.2478/sgem-2021-0031
Keywords
brick sewer
,
renovation
,
CIPP liner
,
modernization of brick sewers
© 2021 Leszek Wysocki et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1
Internal dimensions (in mm) of the conduit's cross section.
Figure 2
Calculation scheme of the finite element method.
Figure 3
Normal stresses (load scheme 1 – wall thickness equal to 19 mm).
Figure 4
Horizontal displacements (load scheme 1 – wall thickness equal to 19 mm).
Figure 5
Normal stresses (load scheme 2 – wall thickness equal to 41 mm)
Figure 6
Calculation scheme of the finite element method.
Figure 7
Diagram of normal stresses, wall thickness equal to 12 mm, load scheme 1.
Figure 8
Diagram of horizontal displacements, wall thickness equal to 12 mm, load scheme 1.
Figure 9
Diagram of normal stresses, wall thickness equal to 13 mm, load scheme 2.
Thicknesses of the sleeve calculated for the assumed load cases.
Liner thickness
Scheme 1
Scheme 2
19 mm
a
Max deformations (mm)
32.2
Yes
Max stresses (MPa)
5.4
Yes
56.4
No
40 mm
Max deformations (mm)
Max stresses (MPa)
12.9
No
41 mm
b
Max deformations (mm)
3.2
Yes
Max stresses (MPa)
1.23
Yes
12.29
Yes