Section 5 Overlay scantling requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules for the Application of Sandwich Panel Construction to Ship Structure, July 2022 - Chapter 3 Design Basis for Panels - Section 5 Overlay scantling requirements

Section 5 Overlay scantling requirements

Parent topic: Chapter 3 Design Basis for Panels

5.1 Application

5.1.1 The requirements of this Section are applicable to overlay construction.

5.2 Strength index

5.2.1 The overlay construction is to be dimensioned in accordance with the strength index, R, given below:

where
s = spacing of the longitudinals, in mm
Peq = 200 in N/mm2
trule = see Ch 3, 4.4 Thickness of sandwich panel 4.4.3, in mm
tc = selected core thickness, in mm
t1 = thickness of top plating, in mm, not to be less than t1MIN + ta1
t2 = thickness of bottom plating, in mm.

5.2.2 The strength index for the overlay construction is to be such that:

  1. R ≤ 1

5.2.3 In no case are the thickness of the top plating and the core thickness to be less than the minimum value given in Ch 3, 6 Minimum thickness.

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