Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 1 General Hull Requirements - Chapter 10 Other Structures - Section 3 Aft Part - 4 Special Scantling Requirements for Shell Structure
4 Special Scantling Requirements for Shell Structure
4.1 Shell plating
4.1.1 Shell plating connected with stern frame
The net thickness of shell plating connected with the stern frame is not to be less than that obtained, in mm, from the following formula:
In way of the boss and heel plate, the net thickness, t, of shell plating, in mm, is not to be less than:
where:
b : Breadth of plate panel, in mm, as defined in Ch 3, Sec 7, [2.2.2].
4.1.2 Heavy shell plates
Heavy shell plates are to be fitted locally in way of the heavy plate floors as required by [2.1.1]. The net thickness of heavy shell plates is not to be less than the value given in [4.1.1]. Outboard of the heavy floors, the heavy shell plates may be reduced in thickness in as gradual a manner as practicable. Where the horn plating is radiused into the shell plating, the radius at the shell connection, r in mm, is not to be less than:
4.1.3 Thruster tunnel plating
The net thickness of the tunnel plating, ttun in mm, is to comply with the requirements in Ch 10, Sec 1, [4.2.1].
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