Note: values not listed here are the same as Tutorial 1.
Precast Section Properties
- Section ID: 36-60
- Type: Spread Box Beam
- Description: Box Beam
- Area: 828 in2
- Moment of Inertia: 369308 in4
- Centroid Height: 27.59 in
- Height: 60.00 in
- Stem Width: 4.50 in
- Number of Stems: 2
- Top Flange Thickness: 5.5 in
- Top Flange Width: 36.00 in
- Bottom Flange Thickness: 6.50 in
- Bottom Flange Width: 36.00
| Height,in |
Max. Strands |
| 2.00 |
17 |
| 4.00 |
17 |
| 6.00 |
2 |
| 8.00 |
2 |
| ... |
... |
| ... |
... |
| 54.00 |
2 |
| 56.00 |
2 |
| 58.00 |
2 |
Concrete Properties
Strength
- Precast, release: 4 ksi
- Precast, 28 days: 5 ksi
- Cast-in-place topping, 28 days: 3 ksi
Density, all concrete: 150 pcf
Strand Properties
- Strand Type: 1/2 - 270 K (stress relieved) (Es = 28,000 ksi)
- Straight Pattern
- Sidewalk Load: 5 60 psf = 300 plf (Art. 3.14)
- Distribution: Two thirds to beam 1, one third to beam 2
- Use Transformed Section Properties: see Transformed Section Properties .)
Additional Dead Load
On composite: 0.039 ksf, (applied over 44.0 ft), due to future wearing surface.
