ABSTRACT
Summary 33 8 9.1 Nota t io n 33 8 9.2 Introductio n 33 9 9.3 Fatigu e Loadin g 34 2 9.4 Fatigu e Desig n Metho d 34 4 9.5 Fatigu e Desig n Curve s 34 5
9.5.1 Appendi x C 34 5 9.5.2 Enquir y Cas e 5500/7 9 34 9
9.6 Stresse s 35 4 9.6.1 Appendi x C 35 4 9.6.2 Enquir y Cas e 5500/7 9 35 5
9.7 Simplifie d Fatigu e Analysi s 35 6 9.7.1 Appendi x C 35 6 9.7.2 Enquir y Cas e 5500/7 9 36 0
9.8 Us e o f Desig n Curve s i n Detaile d Assessmen t o f Fatigu e Lif e 36 7
9.8.1 Us e o f desig n curve s i n detaile d assessmen t 36 7 9.8.2 Fatigu e analysi s o f wel d detail s 36 9
9.9 Fatigu e Assessmen t o f Wel d Imperfection s 37 4 9.10 Fatigu e Analysi s o f Bolt s 37 8 9.11 Acceptanc e Fatigu e Testin g 37 9 9.12 Futur e Need s 38 1 9.13 Concludin g Remark s 38 2 References 38 2
Rules fo r desig n t o avoi d fatigu e failure s i n pressur e vessel s ar e give n i n Appendix C o f B S 5500 . This chapte r outline s th e backgroun d t o Appen - dix C and give s guidance o n it s use. However, a n alternativ e approac h wa s provided i n 198 8 a s a n Enquir y Cas e t o B S 5500 . Thi s contain s radica l changes. I n vie w o f thi s th e chapte r outline s th e limitation s o f Appendi x C, indicatin g thos e part s whic h nee d t o b e changed an d th e proposed revi - sions t o th e Standard .
