ISO 13268:2022
Thermoplastics piping systems for non-pressure underground drainage and sewerage — Thermoplastics shafts or risers for inspection chambers and manholes — Determination of ring stiffness
This document specifies a test method for assessing the initial (short-term) tangential ring stiffness of riser shafts for thermoplastics inspection chambers or manholes.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 General
4.2 Principle for shafts with regular cross-section
4.3 Principle for shafts with irregular, square or rectangular cross-section
5 Apparatus
6 Test pieces
6.1 Number of test pieces
6.2 Age of test pieces
6.3 Specification of test pieces
6.3.1 Shafts with regular cross-section
6.3.2 Shafts with irregular, square or rectangular cross-section
7 Procedure
7.1 Test temperature
7.2 Shafts with regular cross-section
7.3 Shafts with irregular, square or rectangular cross-section
8 Calculation
8.1 Shafts with a regular cross-section
8.2 Shafts with irregular, square or rectangular cross-section
9 Test report
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
4.1 General
4.2 Principle for shafts with regular cross-section
4.3 Principle for shafts with irregular, square or rectangular cross-section
5 Apparatus
6 Test pieces
6.1 Number of test pieces
6.2 Age of test pieces
6.3 Specification of test pieces
6.3.1 Shafts with regular cross-section
6.3.2 Shafts with irregular, square or rectangular cross-section
7 Procedure
7.1 Test temperature
7.2 Shafts with regular cross-section
7.3 Shafts with irregular, square or rectangular cross-section
8 Calculation
8.1 Shafts with a regular cross-section
8.2 Shafts with irregular, square or rectangular cross-section
9 Test report
Bibliography