Types of construction joint are
- Butt Type Construction Joint
- Tongue and Groove Construction Joint
- Butt Type Construction Joint with Dowel
- Butt Type Construction Joint with Tie bar
The advantages of placing construction joint in the concrete are
- Free horizontal movement of the floor
- Limited vertical movement
- Optimal load transfer
- Edge protection
- Prevention of cracks formed due to thermal variations.
- Proper jointing between two concrete placements.
