Common Structural Rules - Common Structural Rules for Bulk Carriers and Oil Tankers, January 2019 - Part 1 General Hull Requirements - Chapter 12 Construction - Section 3 Design of Weld Joints - 3 Butt Joint
3 Butt Joint
3.1 General
3.1.1
Joints in the plate components of stiffened panel structures are generally to be joined by butt welds, see Figure 7.
Figure 7 : Typical butt welds
3.2 Thickness difference
3.2.1
Taper In the case of welding of plates with difference in as-built thickness greater than 4 mm, the thicker plate is normally to be tapered. The taper has to have a length of not less than 3 times the difference in as-built thickness. If the width of groove is not less than 3 times the difference the transition taper is to be avoided.
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