BS 5480:1990
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Specification for glass reinforced plastics (GRP) pipes, joints and fittings for use for water supply or sewerage
Hardcopy , PDF
31-08-2006
English
29-06-1990
Foreword
Committees responsible
Specification
1 Scope
2 Definitions
3 Materials
4 Pipe design limits
5 Dimensions
6 Classification
7 Physical properties
8 Performance properties of pipes
9 Fittings
10 Joints
11 Marking and information
Appendices
A Method for determination of initial longitudinal
unit tensile strength by a tensile strip test
B Method for assessing initial longitudinal unit
tensile strength by a beam test
C Method for determination of initial circumferential
tensile strength by a burst test
D Method for determination of initial circumferential
tensile strength by a split disc test
E Method for determination of long term
circumferential tensile strength
F Methods for determination of strain corrosion
resistance of pipes
G Method for determination of ovality of a pipe after
allowance for distortion by its own mass
H Method for determination of initial specific
stiffness and resistance to structural damage under
ring deflection
J Method for determination of impact resistance
K Method of test for leaktightness of pipes and their
joints by hydrostatic pressure testing
L Method for determination of long term specific ring
stiffness and creep factor under ring deflection
M Methods of test for leaktightness of flexible joints
N Methods of test for leaktightness of rigid joints
P Method for statistical analysis of long term data
from GRP pipes and fittings
Q Guidance on quality control testing and associated
sampling
R Bibliography
Tables
1 Nominal sizes of pipes
2 Minimum values for initial longitudinal tensile
strength per unit of circumference
3 Angular deflection limits relative to the nominal
size of the pipework
4 Beam test span (L)
5 Failure point distribution
6 Inspection schedule for strain corrosion testing
7 Failure point distribution for strain corrosion
testing
8 Test conditions for flexible joints
9 Minimum values for the coefficient of correlation,
r, for acceptable data from n pairs of data
10 Percentage points of Student's t distribution
11 Basic data for example calculation and statistical
analysis validation
12 Estimated mean values and confidence limits for V
13 Applicability of requirements and test methods
14 Categories for basis of type test sampling groups
Figures
1 Dimensional boundaries for effective length and out-
of-squareness of nominally straight pipe
2 Strip test piece for determination of initial
longitudinal unit tensile strength
3 Diagrammatic representation of apparatus for the
beam test
4 Split discs and split ring test piece
5 Diagrammatic representation of apparatus for strain
corrosion testing
6 Schematic diagram of the apparatus for determination
of stiffness under ring deflection
7 Angular deflection
8 Draw
9 Total draw
10 Misalignment
11 Sketch of support conditions for testing flexible
joints subject to draw and/or angular deflection
12 Support and cradle or strap arrangement for testing
flexible joints subject to misalignment
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