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99/707160 DC : DRAFT APR 99
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DRAFT BS: PREN 13480-3 - METALLIC INDUSTRIAL PIPING - DESIGN AND CALCULATION
04-07-2002
23-11-2012
Content
Foreword
1 Scope
2 Normative references
3 Definitions, symbols and units
3.1 Definitions
3.2 Symbols and units
4 Basic design criteria
4.1 General
5 Design stresses
5.1 General
5.2 Time-independent nominal design stress
6 Design of piping components under internal
pressure
6.1 Straight pipes
6.2 Pipe bends and elbows
7 Design of ends under internal pressure
7.1 Dished ends
8 Openings and branch connections
8.1 General
8.2 Symbols
9 Design of piping components under external
pressure
9.1 General
9.2 Symbols and elastic stress limits
10 Design for cyclic loading
10.1 General
10.2 Exemption from detailed fatigue analysis
10.3 Fatigue design for cyclic pressure
11 Integral attachments
11.1 General
12 Analysis and acceptance criteria
12.1 Basic requirements
13 Supports
13.1 General requirements
Annex A (informative) Dynamic analysis
A.1 General
A.2 Analysis by calculation
A.3 Alternative means of design verification
Annex B (normative) More accurate calculation of
bends and elbows
B.1 General
B.2 Symbols and units
B.3 Required wall thickness
B.4 Calculation
Annex C (informative) Incorporation of expansion
joints into piping systems
C.1 General
C.2 Types of expansion joints
C.3 Design of expansion joints
C.4 Designing with expansion joints
C.5 Analysis and calculation
C.6 Pre-setting
Annex D (informative) Testing during operation in
the case of cyclic loading
D.1 Testing during operation
D.2 Measures to be taken when the calculated fatigue
life has been reached
Annex E (informative) Physical properties of steels
E.1 General
E.2 Physical properties
Annex F (normative) Flexibility characteristics,
flexibility and stress intensification factors
and section moduli
Annex G (normative) Type testing of supports components
Annex H (informative) Attachment of supports to
structures
H.1 Attachment of supports to concrete structures
H.2 Attachment to metallic structures
Annex I (informative) Buckling of linear type supports
I.1 General
I.2 Symbols
I.3 Basic formulae
I.4 Allowable compressive stress
I.5 Buckling length
Annex J (informative) Design guidance for structural
components
J.1 Linear type components subjected to bending
J.2 Stability of plate type supports
J.3 Anchorage plates or equivalent anchorage
components
Annex K (informative) Production testing or spring
supports and shock absorbers
K.1 Constant load supports
K.2 Variable spring supports
K.3 Shock absorbers
Annex L (normative) Documentation of supports
Annex ZA (informative) Clauses of this European
Standard addressing essential requirements or
other provisions of the PED
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