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LIVE LOADS
Vehicle Gross Weight (kg)
Wheelbase (m)
Track (approx., m)
17’ U-Haul 6373 4.47 2.14
14’ U-Haul 4990 4.09 1.98
10’ U-Haul 3901 3.53 1.68
Pick-Up Truck
2921 3.68 1.70
Standard Size Car
1652 2.87 1.63
BEAM DESIGN LOAD CALCULATIONS
Live Loads (37.5% of the weight of a 17’ U-Haul)
Dead Loads (due to slab)
Using beam design program, d=0.2032 m (assuming 0.15 m deep slab)
23444.7 N
11722.35 N
11722.35 N
10210.89 N
10210.89 N
6828.02 N/m
3 m
SLAB DESIGN LOAD CALCULATIONS
Widest Load Spacing, Narrowest Beam Spacing
Limiting caseMaximum Moment: 6534.7 N*mMinimum Depth: 0.15 mDesigned as a beam
667.47 N
667.47 N
23,444.7 N
23,444.7 N
24,112.2 N
24,112.2 N
0.1016 m
0.68 m
1.63 m
3.5 m
• 667.47 N load is from curb• 23,444.7 N load is from 37.5% of the weight of a 17’ U-Haul Truck
SLAB DESIGN CONSIDERATIONS
Determined optimal beam spacing (1.90 m) Used different track measurements
Cases Considered Each of the four vehicles centered on the span Each of the four vehicles as far to one edge as possible Smallest and largest vehicles with one tire centered on the
span (basically the same as vehicle at edge)
Checked against 0.15 m slab depth to ensure that the moment created would be safe
0.15 m was estimate for slab depth used when designing beam, so recalculation was not necessary
AMOUNT OF CONCRETE AND FILL
Concrete 2 beams spanning piers, slab spanning crossing, 5
piers Total volume: 28 cubic meters
Fill Around culverts Total volume: