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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

By: Tomasz Abel  
Open Access
|Jun 2021

Figures & Tables

Figure 1

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].

Figure 3

An overview sketch of the liner's installation.

Figure 4

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

Figure 5

Three-point bending – test scheme.

Figure 6

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

Figure 7

Laboratory test of a liner – diameter 200 mm.

Figure 8

Ring stiffness for 200 mm diameter samples.

Figure 9

Laboratory test of a liner – diameter 350 mm.

Figure 10

Ring stiffness for 350 mm diameter samples.

Figure 11

Laboratory test of a liner – diameter 500 mm.

Figure 12

Ring stiffness for 500 mm diameter samples.

Figure 13

The mechanism of the sample's destruction.

Figure 14

Example of a damaged sample.

Figure 15

Sample test using the GWT device.

Figure 16

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
Language: English
Page range: 169 - 180
Submitted on: Nov 10, 2020
Accepted on: Jan 31, 2021
Published on: Jun 30, 2021
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

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