Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 1 General Hull Requirements - Chapter 8 Buckling - Section 1 General - 2 Application
2 Application
2.1 Scope
2.1.1 The buckling checks are to be performed according to:
- Ch 8, Sec 2 for the slenderness requirements of plates, longitudinal and transverse stiffeners, primary supporting members and brackets.
- Ch 8, Sec 3 for the prescriptive buckling requirements of plates, longitudinal and transverse stiffeners, primary supporting members and other structures.
- Ch 8, Sec 4 for the buckling requirements of the FE analysis for the plates, stiffened panels and other structures.
- Ch 8, Sec 5 for the buckling capacity of prescriptive and FE buckling requirements.
2.1.2 Stiffener
The buckling check of the stiffeners referred to in this Chapter is applicable to the stiffener fitted along the long edge of the buckling panel.
2.1.3 Enlarged stiffener
Enlarged stiffeners, with or without web stiffening, used for Permanent Means
of Access (PMA) are to comply with the following requirements:
- a) Slenderness requirements for primary supporting members as follows:
- For enlarged stiffener web, see item (a) of Ch 8, Sec 2, [4.1.1].
- For enlarged stiffener flange, see item (b) of Ch 8, Sec 2, [4.1.1] and Ch 8, Sec 2, [5.1].
- For stiffeners fitted on enlarged stiffener web, see Ch 8, Sec 2, [3.1.1] and Ch 8, Sec 2, [3.1.3].
- b) Buckling strength of prescriptive requirements as follows:
- For enlarged stiffener web, see Ch 8, Sec 3, [3.2].
- For stiffeners fitted on enlarged stiffener web, see Ch 8, Sec 3, [3.1] and Ch 8, Sec 3, [3.3].
- c) All structural elements used for PMA are to be complied with for the buckling requirements of the FE analysis in Ch 8, Sec 4 when applicable.
- d) Buckling strength of longitudinal PMA platforms without stiffeners fitted on enlarged stiffener web is to be checked using the criteria for local supporting members in Ch 8, Sec 3, [3.1] and Ch 8, Sec 3, [3.3].
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