Concrete Properties
Strength
- Precast, release:5 ksi
- Precast, 28 days:6 ksi
- Cast-in-place topping, 28 days:4 ksi
Density, all concrete:150 pcf
Strand Properties
Strand Type: 1/2 - 270 K - Low relaxation (Es = 28,000 ksi)
Straight Pattern
Debond Constraints
Maximum 50% of strands in each row may be debonded
Maximum 50% of total number of strands may be debonded
Rebar Properties
Grade 60 rebar
Prestress Loss Information
Dead Load
On precast:0.025 klf, due to stay-in-place forms (Model as DL)
Additional Dead Load
On composite:0.0375 ksf (applied over 32.0 ft) (Model as ADL)