Abstract
This paper presents the results of a parametric study of probabilistic modelling of the ultimate strength of ship plates with non-uniform corrosion represented by random fields. The load-shortening behaviour of the plates with non-uniform reduction of thickness due to corrosion under longitudinal compression is obtained using a general-purpose nonlinear finite element analysis program. A nonlinear time-dependent corrosion model is used to define the probabilistic characteristics of the random fields based on corrosion data measured in plate elements at different locations of bulk carriers. Based on the probabilistic models derived by Monte Carlo simulation, equations to predict the mean and the 5 % characteristic value of the ultimate strength of plates with non-uniform corrosion are developed. Finally a regression equation is proposed to take into account the effect of non-uniform corrosion patterns in the predictions of the ultimate strength of plates with uniform corrosion.
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References
Guedes Soares C (1997) Probabilistic modelling of the strength of flat compression members. In: Guedes Soares C (ed) Probabilistic methods for structural design. Kluwer Academic Publishers, Dordrecht, pp 113–140
Teixeira AP, Guedes Soares C (2011) Reliability assessment of plate elements with random properties. In: Guedes Soares C, Garbatov Y, Fonseca N, Teixeira AP (eds) Marine technology and engineering. Taylor & Francis Group, London, UK, pp 1361–1375
Guedes Soares C (1992) Design equation for ship plate elements under uniaxial compression. J Constr Steel Res 22:99–114
Guedes Soares C, Garbatov Y, Teixeira AP (2010) Methods of structural reliability applied to design and maintenance planning of ship hulls and floating platforms. In: Guedes Soares C (ed) Safety and reliability of industrial products, systems and structures. Taylor & Francis Group, London, pp 191–206
Teixeira AP, Parunov J, Guedes Soares C (2011) Assessment of ship structural safety. In: Guedes Soares C, Garbatov Y, Fonseca N, Teixeira AP (eds) Marine technology and engineering. Taylor & Francis Group, London, pp 1377–1394
Sadovský Z, Guedes Soares C, Teixeira AP (2007) Random field of initial deflections and strength of thin plates. Reliability Eng Syst Saf 92:1659–1670
Most T, Bucher C, Schorling Y (2004) Dynamic stability analysis of nonlinear structures with geometrical imperfections under random loading. J Sound Vib 276:381–400
Ditlevsen O (1991) Random field interpolation between point by point measures properties. In: Proceedings of the first international conference on computational stochastic mechanics. Corfu, Greece, Elsevier, Amsterdam, pp 801–812
Vanmarcke EH (1983) Random fields: analysis and synthesis. MIT Press, Cambridge
Kolanek K, Jendo S (2008) Random field models of geometrically imperfect structures with “clamped” boundary conditions. Probab Eng Mech 23:219–226
Sadovsky Z, Drdacky M (2001) Buckling of plate strip subjected to localised corrosion—a stochastic model. Thin-Walled Struct 39:247–259
Guedes Soares C (1988) Uncertainty modelling in plate buckling. Struct Saf 5:17–34
Guedes Soares C, Garbatov Y (1999) Reliability of maintained ship hulls subjected to corrosion and fatigue under combined loading. J Constr Steel Res 52(1):93–115
Hart DK, Rutherford SE, Wickham AHS (1986) Structural reliability analysis of stiffened panels. Trans Roy Inst Nav Architects (RINA) 128:293–310
Shi WB (1993) In-service assessment of ship structures: effects of general corrosion on ultimate strength. Trans Soc Naval Archit Mar Eng 135:77–91
White GJ, Ayyub BM (1992) Determining the effects of corrosion on steel structures: a probabilistic approach. In: Guedes Soares C et al (eds) Proceedings of the 11th international conference on offshore mechanics and arctic engineering (OMAE’92), vol II. ASME, New York, USA, pp 45–52
Melchers RE (2003) Probabilistic models for corrosion in structural reliability assessment-part 1: empirical models. J Offshore Mech Arct Eng ASME 125:264–271
Jiang X, Guedes Soares C (2012) Ultimate capacity of rectangular plates with partial depth pits under uniaxial loads. Mar Struct 26:27–41
Jiang X, Guedes Soares C (2012) A closed form formula to predict the ultimate capacity of pitted mild steel plate under biaxial compression. Thin Walled Struct 59:27–34
Nakai T, Matsushita H, Yamamoto N, Arai H (2004) Effect of pitting corrosion on local strength of hold frames of bulk carriers (1st report). Mar Struct 17:403–432
Nakai T, Matsushita H, Yamamoto N, Arai H (2004) Effect of pitting corrosion on local strength of hold frames of bulk carriers (2nd report)—lateral-distortional buckling and local face buckling-. Mar Struct 17:612–641
Orisamolu IR (1998) Stochastic finite element method for the probabilistic residual strength assessment of corroded structures. In: Shiraishi N, Shinozuka M, Wen YK (eds) Structural safety and reliability. Balkema, Rotterdam, pp 143–150
Teixeira AP, Guedes Soares C (2008) Ultimate strength of plates with random fields of corrosion. Struct Infrastruct Eng No. 5 4:363–370
Li C–C, Der Kiureghian A (1993) Optimal discretization of random fields. J Eng Mech 119(6):1136–1154
Guedes Soares C, Garbatov Y (1999) Reliability of maintained corrosion protected plate subjected to nonlinear corrosion and compressive loads. Mar Struct 6 12:425–446
Garbatov Y, Guedes Soares C, Wang G (2007) Nonlinear time dependent corrosion wastage of deck plates of ballast and cargo tanks of tankers. J Offshore Mech Arct Eng 129(1):48–55
Garbatov Y, Guedes Soares C (2008) Corrosion wastage modelling of deteriorated bulk carrier decks. Int Shipbuild Prog 55(1–2):109–125
Guedes Soares C, Garbatov Y, Zayed A (2011) Effect of environmental factors on steel plate corrosion under marine immersion conditions. Corros Eng Sci Technol 46(4):524–541
Guedes Soares C, Garbatov Y, Zayed A, Wang G (2008) Corrosion wastage model for the inside of ship crude oil tanks. Corros Sci 50(11):3095–3106
Guedes Soares C, Garbatov Y, Zayed A, Wang G (2009) Influence of environmental factors on corrosion of ship structures in marine atmosphere. Corros Sci 51(9):2014–2026
IMO (2005) Guidelines on the enhanced programme of inspections during surveys of bulk carriers and oil tankers Resolution A.744(18), as amended
IACS (2008) Common structural rules for double hull oil tankers. International Association of Classification Societies (IACS)
IACS (2004) PR 19-Procedural requirement for thickness measurements, Revision 3, June 2004
IACS (2006a) Guideline 77 -Guidelines for the Surveyor on how to Control the Thickness Measurement Process, Revision 2, April 2006
IACS (2006b) UR Z-Requirements concerning Survey and Certification. Revision 12, 2006
ABS (2001) Final report of Investigation into the damage sustained by the M.V. Castor on 30 December 2000, American Bureau of Shipping. http://www.eagle.org/news/press/castorreport.pdf
Teixeira AP, Guedes Soares C (2008) Simulation of inspections on ship plates with random corrosion patterns. J Ship Prod 24(3):168–175
Guedes Soares C, Ivanov LD (1989) Time-dependent reliability of the primary ship structure. Reliability Eng Syst Saf 26:59–71
Guo J, Wang G, Ivanov L, Perakis AN (2008) A study on reliability-based inspection planning—application to deck plate thickness measurement of aging tankers. Mar Struct 21:408–419
Melchers RE (2003) Probabilistic models for corrosion in structural reliability assessment-part 2: models based on mechanics. J Offshore Mech Arct Eng ASME 125:272–280
Paik J, Jae L, Joon H, Young P (2003) A Time-dependent corrosion wastage model for the structures of single and double hull tankers and FSOs and FPSOs. Mar Technol 40:201–217
Yamamoto N, Ikegami K (1998) A study on the degradation of coating and corrosion of ship’s hull based on the probabilistic approach. J Offshore Mech Arct Eng ASME 120:121–128
Paik JK, Kim SK, Lee SK (1998) Probabilistic corrosion rate estimation model for longitudinal strength members of bulk carriers. Ocean Eng 25:837–860
Teixeira AP, Guedes Soares C (2001) Strength of compressed rectangular plates subjected to lateral pressure. J Constr Steel Res 57:491–516
Liu P-L, Der Kiureghian A (1991) Finite element reliability of geometrically nonlinear uncertain structures. J Eng Mech 117(8):1806–1825
Ditlevsen O (1996) Dimension reduction and discretization in stochastic problems by regression method. In: Casciati F, Roberts B (eds) Mathematical models for structural reliability analysis. CRC Mathematical Modelling Series 2, pp 51–138
Schuëller GI et al (1997) A state-of-the-art report on computational stochastic mechanics. Probab Eng Mech 12(4):285–308
Matthies H, Brenner C, Bucher C, Guedes Soares C (1997) Uncertainties in probabilistic numerical analysis of structures and solids - stochastic finite elements. Struct Saf 19(3):283–336
Chen N-Z, Guedes Soares C (2008) Spectral stochastic finite element analysis for laminated composite plates. Comput Meth Appl Mech Eng 197(51–52):4830–4839
Faulkner D (1975) A review of effective plating for use in the analysis of stiffened plating in bending and compression. J Ship Res 19:1–17
Guedes Soares C (1988) Design equation for the compressive strength of unstiffened plate elements with initial imperfections. J Constr Steel Res 9:287–310
Sadovský Z, Páles (1999) Third-moment identification of resistance by FORM. Build Res J 47:197–213
CEN (2002) Eurocode: basis of structural design. European standard, EN 1990, European Committee for Standardization (CEN), Brussels
Guedes Soares C, Gordo JM (1996) Compressive strength of rectangular plates under biaxial load and lateral pressure. In: Thin-walled structures, vol 22. pp 231–259
Acknowledgments
This work has been funded by the American Bureau of Shipping under the projects “Condition Assessment of Ageing Ship Structures” and “Time-variant Reliability of Hull Structures”. The authors are grateful to the reviewer’s valuable comments that improved the manuscript.
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Teixeira, A.P., Guedes Soares, C. & Wang, G. Probabilistic modelling of the ultimate strength of ship plates with non-uniform corrosion. J Mar Sci Technol 18, 115–132 (2013). https://doi.org/10.1007/s00773-012-0197-7
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DOI: https://doi.org/10.1007/s00773-012-0197-7