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Analysis of the structure of liners used for the modernisation of brick collectors

Studia Geotechnica et Mechanica
Volume 43 (2021): Issue s1 (December 2021)
By:
Open Access
|Dec 2021

Figures & Tables

Figure 1

Internal dimensions (in mm) of the conduit's cross section.
Internal dimensions (in mm) of the conduit's cross section.

Figure 2

Calculation scheme of the finite element method.
Calculation scheme of the finite element method.

Figure 3

Normal stresses (load scheme 1 – wall thickness equal to 19 mm).
Normal stresses (load scheme 1 – wall thickness equal to 19 mm).

Figure 4

Horizontal displacements (load scheme 1 – wall thickness equal to 19 mm).
Horizontal displacements (load scheme 1 – wall thickness equal to 19 mm).

Figure 5

Normal stresses (load scheme 2 – wall thickness equal to 41 mm)
Normal stresses (load scheme 2 – wall thickness equal to 41 mm)

Figure 6

Calculation scheme of the finite element method.
Calculation scheme of the finite element method.

Figure 7

Diagram of normal stresses, wall thickness equal to 12 mm, load scheme 1.
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.
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.
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 1Scheme 2
19 mmaMax deformations (mm)32.2Yes
Max stresses (MPa)5.4Yes56.4No
40 mmMax deformations (mm)
Max stresses (MPa) 12.9No
41 mmbMax deformations (mm)3.2Yes
Max stresses (MPa)1.23Yes12.29Yes
DOI: https://doi.org/10.2478/sgem-2021-0031 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 501 - 509
Submitted on: Aug 31, 2021
Accepted on: Oct 26, 2021
Published on: Dec 22, 2021
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
brick sewer,
renovation,
CIPP liner,
modernization of brick sewers
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2021 Leszek Wysocki, Cezary Madryas, Jacek Grosel, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

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