CONNECTION DETAIL
COMPONENTS CONNECTED
- Precast column
- Precast footing
DESCRIPTION
- A shear key is placed between joint.
- The precast column is erected on a grout bed..
- The grout is pumped through the drilled holes inside the ducts.
UTILIZING
- validated by experimental test
ADDITIONAL INFORMATION
DESIGN RECOMENDATIONS
- The sufficient anchorage length of column reinforcing bar shall be provided.
| ADVANTAGES | CHALLENGE |
| • Both column and bent cap can be precast and sufficiently connected. | • Extended column bars require small tolerance to fit duct in precast footing. |
SCORE
| Structural performance | 5/5 (0 have significant issue, 5 same/better when compared to conventional CIP method) |
| Constructability | 4/5 (0 difficult, 5 easily) |
| Speed of construction | 3/5 (0 very slow, 5 very fast) |
| Cost | 5/5 (0 very expensive, 5 cost effective when compared to conventional CIP method) |
CONTACT INFORMATION
| Organization | Contact name | Phone number | |
| University of Canterbury, Christchurch |
Sam White Mustafa Mashal Alessandro Palermo |
saiidi@unr.edu |