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BS EN 13094:2020+A1:2022

BS EN 13094:2020+A1:2022

$215.11

Tanks for the transport of dangerous goods. Metallic gravity-discharge tanks. Design and construction

Published By Publication Date Number of Pages
BSI 2022 100
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PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
11 3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
12 3.2 Symbols
13 3.3 Abbreviations
4 Service equipment
5 Materials
5.1 General
14 5.2 Material properties
5.2.1 Impact strength
5.2.2 Yield strength, tensile strength and elongation after fracture
5.2.2.1 General
5.2.2.2 Yield strength and tensile strength
5.2.2.3 Elongation after fracture
15 5.3 Compatibility of tank materials with substances carried
16 6 Design
6.1 Shell cross-section
6.1.1 General
6.1.2 Requirements for shells of non-circular cross-section
6.1.3 Sumps and other projections outside the shell
17 6.1.4 Cut-out sections within the contour of a side or bottom of the shell
18 6.2 Design verification
19 6.3 Dynamic conditions
20 6.4 Pressure conditions
6.5 Partial vacuum conditions
6.6 Design temperature
6.7 Design stress
6.8 Shell thicknesses
6.8.1 Minimum shell thickness
21 6.8.2 Reduction of shell thickness
25 6.9 Shell openings, neck rings and closures
6.9.1 General
6.9.2 Inspection openings and manholes
6.9.3 Neck rings and closures
26 6.9.4 Cover plates
6.9.5 Mountings for service equipment
6.10 Shell partitions, surge plates and baffles
6.11 Shell supporting structure
27 6.12 Other attachments to the shell
6.13 Pipework passing through the shell
6.13.1 General
6.13.2 Tank top drainage tubes passing through the shell
28 6.13.3 Service tubes passing through the shell
6.14 Protection of service equipment mounted on the tank top
6.14.1 General requirements
6.14.2 Minimum requirements
6.14.2.1 General
29 6.14.2.2 Longitudinal and transverse members
30 6.14.2.3 Shell contours
31 6.14.2.4 Spill-trays
32 6.14.2.5 Roll-over bars
34 6.14.2.6 Transverse box sections
35 6.15 Electrical bonding and earthing
7 Manufacture of the shell
7.1 General
7.2 Cutting and edge preparation
36 7.3 Forming
7.3.1 General
7.3.2 Hot forming — additional requirements
7.4 Welding
7.4.1 Qualification
37 7.4.2 Welded joints
7.4.3 Temporary attachments
7.4.4 Examination and testing of welds
38 7.5 Manufacturing tolerances
7.5.1 General
7.5.2 Plate alignment
7.5.3 Defects of form
7.5.4 Thickness
7.5.5 Ends
39 7.6 Rectification of defects
7.6.1 General requirements
7.6.2 Rectification of weld defects
8 Marking
40 Annex A (!normative”)Methods of design verification
A.1 General
A.2 Dynamic testing
A.2.1 Methods for the verification of the loads specified in 6.3.2
A.2.1.1 General
A.2.1.2 Test a) — Braking
A.2.1.3 Test b) — Driving over a bumpy track
41 A.2.1.4 Test c) — Driving slowly in a circle of minimum diameter 15 m
A.2.2 Test programme
A.3 Finite element method
A.3.1 General
A.3.1.1 General
42 A.3.1.2 Specific definitions and symbols
A.3.2 Software selection
A.3.3 Validation
43 A.3.4 Finite element mesh
A.3.5 Mesh criteria
44 A.3.6 Approval
A.3.7 Requirements relating to the methods for determining stresses
A.3.7.1 Assumption of linear elasticity
45 A.3.7.2 Selection of methods for determining stresses
A.3.8 Assessment criteria
A.3.8.1 General
47 A.3.8.2 Stress criteria
A.3.9 Permanent record
A.4 Reference design
48 A.5 Calculation method — worksheet
A.5.1 Introduction
A.5.1.1 General
A.5.1.2 Methodology of the calculation method
49 A.5.1.3 Principal characteristics of the shell
50 A.5.1.4 Minimum thicknesses adopted
A.5.1.5 Mandatory minimum thicknesses
A.5.1.6 Verification of the stresses at test pressure
A.5.1.7 Verification of the stresses in service condition
A.5.2 Symbols and units
A.5.2.1 Main tank characteristics
52 A.5.2.2 Calculation parameters
56 A.5.3 Adopted thicknesses
A.5.4 Mandatory thicknesses
A.5.4.1 Calculated thicknesses
57 A.5.4.2 Required or equivalent thicknesses
A.5.5 Verification of stresses at test pressure
A.5.5.1 Shell walls
59 A.5.5.2 Formed ends having circular or non-circular cross-section
60 A.5.6 Verification of stresses in service condition
A.5.6.1 Circumference stresses on shell walls
61 A.5.6.2 Dynamic stresses
63 A.5.6.3 Stresses in formed ends with circular or non-circular section
65 A.5.6.4 Formed partitions having circular or non-circular cross-section
66 A.5.7 Calculation of stress in shell attachments
67 A.5.8 End made up of several welded elements
68 Annex B (normative)Method of measurement of specific resilience
B.1 Principle
B.2 Apparatus
72 B.3 Samples of materials to be tested
73 B.4 Procedure
74 B.5 Results
B.5.1 Test values
75 B.5.2 Calculation of results
B.5.3 Acceptability of material
B.6 Global resilience [see 6.8.2.2 i)]
B.7 Comparative methods to calculate the energy absorbed during an overturning or impact [see 6.8.2.2 j)]
B.7.1 Calculation of absorbed energy
76 B.7.2 Test procedure
B.7.2.1 Overturning
B.7.2.2 Impact on lateral side and end
B.7.3 Finite element analysis procedure to be adopted
77 Annex C (normative)Design of neck rings, flanges and closures
78 Annex D (informative)Examples of welding details
D.1 General
D.2 Shell construction
D.2.1 Fillet welds
80 D.2.2 Joint types
D.2.2.1 General
D.2.2.2 Butt joints
82 D.2.2.3 Lap joints
84 D.2.2.4 Corner joints
85 D.2.2.5 Joints, other than corner joints, of partitions, and surge plates
91 D.3 Attachment of reinforcements
D.3.1 Attachment of reinforcements designed to absorb dynamic stress
D.3.2 Attachment of reinforcements not designed to absorb dynamic stress
92 D.4 Attachment of branches
94 D.5 Attachment of flanges, collars and reinforcing pads to the shell
96 D.6 Attachment of flanges onto branches
D.7 Attachment of heating channels to shells

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BS EN 13094:2020+A1:2022
$215.11