03082nas a2200397 a 4500 20260817162954.0 100503s2009 th uu|m rtt 0| a1eng d .b10377748 AIT Thesis no.OTM-09-14 Methi Assavinvipart Application of the fracture mechanics model for offshore jacket structure's inspection purposes Pathum Thani, Thailand : Asian Institute of Technology, 2009 64 leaves : ill. Thesis ; no. OTM-09-14 A thesis submitted in partial fulfillment of the requirements for the degree of Master of Engineering in Offshore Technology and Management, School of Engineering and Technology Thesis (M.Eng.) - Asian Institute of Technology, 2009 The fatigue crack growth phenomenon of offshore platform structure is investigated. The probabilistic crack growth analysis of welded joint by fracture mechanics model is established and the result is calibrated to probabilistic SN model to obtain reliable variables for using in reliable crack growth calculation. The fatigue failure has long been recognized as the main structural criteria in offshore structural design. The fatigue capacity evaluation by SN approach has been used extensively in offshore industry due to its simplicity and well-established procedure. However, the need for the use of fracture mechanics is undeniable since the inspection and maintainability of welded joint in offshore structures are increasingly important and this will demand the usage of fracture mechanics to create the in-service inspection plan. The link between these two approaches is essential to develop an in-service inspection planning therefore the calibration between these two methods has to be carried out. The application of this study is demonstrated by comparing the number of inspected joint and recommended joint inspection time based on reliability method with those obtained from typical method. Offshore structures Inspection Chiu, Gregory L.F., Chairperson Pornpong Asavadorndeja, Examination committee Worsak Kanok-Nukulchai, Examination Committee Boswell, Laurie F., Examination committee CUEL Limited, Thailand, Scholarship donor Asian Institute of Technology. Thesis ; no. OTM-09-14 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B03599 .b10377748 mnait u 240402 1 100503 m a u 0 mnait mnarc 20 40 Barcode : 30050120685648 CREATED : 2008-04-12 RECORD # : i12633707 LPATRON : 1027177 LCHKIN : 2017-11-11 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 8 TOT RENEW : 11 Barcode : 30050160006309 CREATED : 2016-03-23 RECORD # : i12906062 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 6881 6881 0 0 0 0 MAIN MAIN mnait 2026-08-17 50.00 0 AIT Thesis no.OTM-09-14 30050120685648 2026-08-17 16:29:54 2 2026-08-17 20 0 0 0 0 MAIN MAIN mnarc 2026-08-17 0 AIT Thesis no.OTM-09-14 30050160006309 2026-08-17 16:29:54 1 2026-08-17 40