ISO 8513:2014
Plastics piping systems — Glass-reinforced thermosetting plastics (GRP) pipes — Test methods for the determination of the apparent initial longitudinal tensile strength
ISO 8513:2014 specifies three test methods for determining the longitudinal tensile properties of glass-reinforced thermosetting plastics (GRP) pipes. The properties which can be determined are: the longitudinal tensile strength and the percentage ultimate elongation.
Method A uses, for the test piece(s), a longitudinal strip cut from a pipe.
Method B uses a specified length of the full cross-section of the pipe.
Method C uses a notched plate cut from a pipe wall section.
Method A is applicable to pipes with a nominal size of DN 50 or greater with circumferentially wound filaments, with or without chopped glass and/or woven rovings and/or fillers, and to centrifugally cast pipes. It is applicable to pipes with helically wound filaments with a nominal size of DN 200 or greater.
Method B is applicable to all types of GRP pipe. It is usually used for pipes with a nominal size up to and including DN 150.
Method C is primarily intended for use for helically wound pipes with a winding angle other than approximately 90°. This method can also be used for other types of pipe.
Results from one method are not necessarily equal to the results derived from any of the alternative methods. However, all methods have equal validity.
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Section sec_1
Section sec_2
Section sec_2.1
Section sec_2.2
Section sec_2.3
Section sec_2.4
Section sec_2.5
Section sec_2.6
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Table tab_a
Figure fig_1
Section sec_4.3
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.2.2.1
Section sec_5.2.2.2
Table tab_b
Figure fig_2
Section sec_5.2.2.3
Table tab_c
Figure fig_3
Section sec_5.2.3
Section sec_5.3
Section sec_5.4
Table tab_d
Figure fig_4
Table tab_e
Figure fig_5
Section sec_5.5
Section sec_6
Section sec_7
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_9
Section sec_9.1
Section sec_9.1.1
Section sec_9.1.2
Section sec_9.2
Section sec_9.2.1
Section sec_9.2.2
Section sec_9.3
Table tab_i
Figure fig_6
Section sec_10
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Table tab_j
Figure fig_A.1
Figure fig_A.2
Figure fig_A.3
Table tab_k
Figure fig_A.4
Reference ref_1
Reference ref_2
Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Apparatus
5 Test pieces
5.1 General
5.2 Strip test piece (method A)
5.3 Pipe section test pieces (method B)
5.4 Plate test pieces (method C)
5.5 Number of test pieces
6 Conditioning
7 Test temperature
8 Procedure (methods A, B, and C)
9 Calculation
9.1 For strip test pieces (method A)
9.2 For pipe test pieces (method B)
9.3 For plate test pieces (method C)
10 Test report
Annex A (informative) Determination of longitudinal properties for helically filament-wound thin wall pipe
Bibliography
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Section sec_1
Section sec_2
Section sec_2.1
Section sec_2.2
Section sec_2.3
Section sec_2.4
Section sec_2.5
Section sec_2.6
Section sec_3
Section sec_4
Section sec_4.1
Section sec_4.2
Table tab_a
Figure fig_1
Section sec_4.3
Section sec_5
Section sec_5.1
Section sec_5.2
Section sec_5.2.1
Section sec_5.2.2
Section sec_5.2.2.1
Section sec_5.2.2.2
Table tab_b
Figure fig_2
Section sec_5.2.2.3
Table tab_c
Figure fig_3
Section sec_5.2.3
Section sec_5.3
Section sec_5.4
Table tab_d
Figure fig_4
Table tab_e
Figure fig_5
Section sec_5.5
Section sec_6
Section sec_7
Section sec_8
Section sec_8.1
Section sec_8.2
Section sec_8.3
Section sec_8.4
Section sec_9
Section sec_9.1
Section sec_9.1.1
Section sec_9.1.2
Section sec_9.2
Section sec_9.2.1
Section sec_9.2.2
Section sec_9.3
Table tab_i
Figure fig_6
Section sec_10
Annex sec_A
Annex sec_A.1
Annex sec_A.2
Table tab_j
Figure fig_A.1
Figure fig_A.2
Figure fig_A.3
Table tab_k
Figure fig_A.4
Reference ref_1
Reference ref_2
Foreword
1 Scope
2 Terms and definitions
3 Principle
4 Apparatus
5 Test pieces
5.1 General
5.2 Strip test piece (method A)
5.3 Pipe section test pieces (method B)
5.4 Plate test pieces (method C)
5.5 Number of test pieces
6 Conditioning
7 Test temperature
8 Procedure (methods A, B, and C)
9 Calculation
9.1 For strip test pieces (method A)
9.2 For pipe test pieces (method B)
9.3 For plate test pieces (method C)
10 Test report
Annex A (informative) Determination of longitudinal properties for helically filament-wound thin wall pipe
Bibliography