Page 279 - Bridge and Highway Structure Rehabilitation and Repair

254 SECTION 2 STRENGTHENING AND REPAIR WORK

Table 6.8 Typical format for computation of unfactored dead loads and wind loads (continued).
Length = 70 ft

Weight = 150 lb/ft3

Width = 7.25 * ft

Total 5 22.1 4 2.72 5
Avg. 70 ft length

13 Piles DL per pile
Geometry

Depth of beam = 45 in
Depth of deck = 8.5 in

Height of haunch = 1.5 in
Total height = 55 in

Total height = 4.5833 ft
Horizontal loads

Wind Pressure on beam = 50 ksf
Wind Load on Structure = 16042 lb

Wind on Live Load (A3.8.1.3)
Load = 0.1 k/ft

Wind load on LL = 7 kip
Wind on substructure (A3.8.1.2.3)

Load = 40 psf
Abutment height = 5 ft

Wind load on LL = 200 lb/ft
Braking force (A3.6.4)
Load = 25%

Axle wt. of truck = 72 kip

Lanes = 3
Braking force = 54 kip
Temperature force

Load = kip
* Assumed data for a typical slab and beam bridge.