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Laboratory tests and analysis of CIPP epoxy-resin internal liners used in pipelines – part I: comparison of tests and engineering calculations Cover

Laboratory tests and analysis of CIPP epoxy-resin internal liners used in pipelines – part I: comparison of tests and engineering calculations

Studia Geotechnica et Mechanica
Volume 43 (2021): Issue 2 (June 2021)
By: Tomasz Abel  
Open Access
|Jun 2021

Figures & Tables

Figure 1

Examples of pipe damage: a), b) cracks and structure defects, c) damaged connectors.
Examples of pipe damage: a), b) cracks and structure defects, c) damaged connectors.

Figure 2

Technical conditions according to ATV 143-2; a) technical condition I; b) technical condition II; c) technical condition III; d) technical condition III a [5].
Technical conditions according to ATV 143-2; a) technical condition I; b) technical condition II; c) technical condition III; d) technical condition III a [5].

Figure 3

An overview sketch of the liner's installation.
An overview sketch of the liner's installation.

Figure 4

Illustration of the GWT method for measuring water permeability [30].
Illustration of the GWT method for measuring water permeability [30].

Figure 5

Three-point bending – test scheme.
Three-point bending – test scheme.

Figure 6

Accuracy requirements for the determination of the flexural modulus [18].
Accuracy requirements for the determination of the flexural modulus [18].

Figure 7

Laboratory test of a liner – diameter 200 mm.
Laboratory test of a liner – diameter 200 mm.

Figure 8

Ring stiffness for 200 mm diameter samples.
Ring stiffness for 200 mm diameter samples.

Figure 9

Laboratory test of a liner – diameter 350 mm.
Laboratory test of a liner – diameter 350 mm.

Figure 10

Ring stiffness for 350 mm diameter samples.
Ring stiffness for 350 mm diameter samples.

Figure 11

Laboratory test of a liner – diameter 500 mm.
Laboratory test of a liner – diameter 500 mm.

Figure 12

Ring stiffness for 500 mm diameter samples.
Ring stiffness for 500 mm diameter samples.

Figure 13

The mechanism of the sample's destruction.
The mechanism of the sample's destruction.

Figure 14

Example of a damaged sample.
Example of a damaged sample.

Figure 15

Sample test using the GWT device.
Sample test using the GWT device.

Figure 16

Real and computational ring stiffness for different diameters
Real and computational ring stiffness for different diameters
DOI: https://doi.org/10.2478/sgem-2021-0002 | Journal eISSN: 2083-831X | Journal ISSN: 0137-6365
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Language: English
Page range: 169 - 180
Submitted on: Nov 10, 2020
|
Accepted on: Jan 31, 2021
|
Published on: Jun 30, 2021
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
No-dig technologies,
laboratory tests,
close-fit lining,
sewer rehabilitation
Related subjects:
Geosciences,
Geosciences, other,
Materials sciences,
Composites,
Porous materials,
Physics,
Mechanics and fluid dynamics

© 2021 Tomasz Abel, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution 4.0 License.

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