Advantages
- Transfer of forces between elements more direct.
- Requires little additional elements like gussets.
- Shorter length of joints.
- No reduction in member strength due to bolt holes etc.
- Rigid connections easy to achieve.
Disadvantages
- Requires skilled manpower.
- Requires special equipment.
- Not easy to achieve at difficult locations less ductile.
- Prone to defects & fatigue cracks under cyclic loading.
