EN15-e
15.5.3 Allowable stresses for unreinforced vessel
The membrane stresses shall be limited as follows:
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(15.5.3-1) |
The sum of membrane stresses and bending stresses shall conform to:
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(15.5.3-2) |
where
z = 1 for sides without longitudinal or circumferential welds.
15.6.6 Allowable stresses in the stiffeners and associated walls
The membrane stresses shall be limited as follows:
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(15.6.6-1) |
The sum of membrane stresses and bending stresses shall at all points conform to:
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(15.6.6-2) |
where
z = 1 for sides without longitudinal or circumferential welds.
If a section is built of more than one material, f is the value for the material at the point under consideration.
The shear stress in the web and in the weld between stiffener and vessel plate shall not exceed 0,5 f.