Page 107 - DJJ 40173 compile notes - E-BOOK NEW EDIT WITH INDEX_Neat
P. 107
Some disadvantages of welded joints
over threaded fasteners are
1. that they produce residual stresses;
2. they distort the shape of the member,
3. metallurgical changes occur, and disassembly is a problem.
4. As there is an uneven heating and cooling, during the fabrication,
therefore the members may get distorted or additional stresses may
develop.
5. It requires a highly skilled labor and supervision. As the welded joints are
rigid joints, therefore they have to be treated as such in their design.
6. The inspection of welding work is more difficult than bolting work.
