BS 7910:2013- Guide to methods for assessing the acceptability of flaws in metallic structures
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فهرست مطالب
Contents
Foreword viii
Introduction 1
1 Scope 4
2 Normative references 4
3 Symbols and definitions 5
4 Types of flaw 14
5 General guidance on assessment 15
6 Information required for assessment 17
7 Assessment for fracture resistance 25
8 Assessment for fatigue 60
9 Assessment of flaws under creep and creep/fatigue conditions 98
10 Assessment for other modes of failure 122
Annexes
Annex A (normative) Evaluation under mode I, II and III loads 129
Annex B (informative) Assessment procedures for tubular joints in offshore
structures 134
Annex C (informative) Fracture assessment procedures for pressure vessels and
pipelines 141
Annex D (normative) Stress due to misalignment 145
Annex E (normative) Flaw recharacterization 151
Annex F (normative) Procedures for Leak-before-Break assessment 152
Annex G (normative) The assessment of locally thinned areas (LTAs) 177
Annex H (normative) Reporting of fracture, fatigue or creep assessments 189
Annex I (informative) The significance of strength mis-match on the fracture
behaviour of welded joints 192
Annex J (informative) Use of Charpy V-notch impact tests to estimate fracture
toughness 200
Annex K (informative) Probabilistic assessment 205
Annex L (informative) Fracture toughness determination for welds 220
Annex M (normative) Stress intensity factor solutions 230
Annex N (informative) Allowance for constraint effects 285
Annex O (informative) Consideration of proof testing and warm prestressing 323
Annex P (normative) Compendium of reference stress and limit load solutions for
homogeneous and strength mis‑matched structures 330
Annex Q (normative) Residual stress distributions in as-welded joints 373
Annex R (normative) Determination of plasticity interaction effects with
combined primary and secondary loading 394
Annex S (normative) Information for making high temperature crack growth
assessments 399
Annex T (informative) Guidance on the use of NDT with ECA 412
Annex U (informative) Worked examples in fatigue assessment using the quality
category approach 429
Bibliography 436
BS 7910:2013- Guide to methods for assessing the acceptability of flaws in metallic structures