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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

Tomasz Abel

Tomasz Abel

Wroclaw University of Science and TechnologyPoland
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Abel, Tomasz
  
30 giu 2021
Laboratory tests and analysis of CIPP epoxy-resin internal liners used in pipelines – part I: comparison of tests and engineering calculations's Cover Image
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Categoria dell'articolo: Original Study
Pubblicato online: 30 giu 2021
Pagine: 169 - 180
Ricevuto: 10 nov 2020
Accettato: 31 gen 2021
DOI: https://doi.org/10.2478/sgem-2021-0002
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© 2021 Tomasz Abel, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

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
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Inglese
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Argomenti della rivista:
Geoscienze, Geoscienze, altro, Scienze materiali, Compositi, Materiali porovati, Fisica, Meccanica e dinamica dei fluidi
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