Design the slab and girder of a bridge using HS20-44 Loading.
Include impact consideration in both horizontal and vertical effects. Consider
that it is possible for two trucks to be simultaneously on the bridge.

 

Transcribed Image Text:

22 W V HS20-44 8,000 LBS HS15-44 6.000 LBS. 0.2W 0.1 W 14'-0" 0.1W 1- HIGHWAY BRIDGES 32,000 LBS. 24,000 LBS. 10,8 W 0.4 W 0.4 W CLEARANCE AND LOAD LANE WIDTH 10'-0" 0001 2-0 COMBINED WEIGHT ON THE FIRST TWO AXLES WHICH IS THE SAME AS FOR THE CORRESPONDING H TRUCK. VARIABLE SPACING- 14 FEET TO 30 FEET INCLUSIVE SPACING TO BE USED IS THAT WHICH PRODUCES MAXIMUM STRESSES. CURB 32,000 LBS 24,000 LBS. 6'-0" 2'-0" 0.8W 04 W 0.4 W Figure 3.7.7A. Standard HS Trucks *In the design of timber floors and orthotropic steel decks (excluding transverse beams) for HS 20 loading. one axle load of 24,000 pounds or two axle loads of 16,000 pounds each, spaced 4 feet apart may be used. whichever produces the greater stress, instead of the 32,000-pound axle shown **For slab design, the center line of wheels shall be assumed to be I foot from face of curb. (See Article 3.24.2.) 3.10.1 22 W V HS20-44 8,000 LBS HS15-44 6.000 LBS. 0.2W 0.1 W 14'-0" 0.1W 1- HIGHWAY BRIDGES 32,000 LBS. 24,000 LBS. 10,8 W 0.4 W 0.4 W CLEARANCE AND LOAD LANE WIDTH 10'-0" 0001 2-0 COMBINED WEIGHT ON THE FIRST TWO AXLES WHICH IS THE SAME AS FOR THE CORRESPONDING H TRUCK. VARIABLE SPACING- 14 FEET TO 30 FEET INCLUSIVE SPACING TO BE USED IS THAT WHICH PRODUCES MAXIMUM STRESSES. CURB 32,000 LBS 24,000 LBS. 6'-0" 2'-0" 0.8W 04 W 0.4 W Figure 3.7.7A. Standard HS Trucks *In the design of timber floors and orthotropic steel decks (excluding transverse beams) for HS 20 loading. one axle load of 24,000 pounds or two axle loads of 16,000 pounds each, spaced 4 feet apart may be used. whichever produces the greater stress, instead of the 32,000-pound axle shown **For slab design, the center line of wheels shall be assumed to be I foot from face of curb. (See Article 3.24.2.) 3.10.1

Answer rating: 100% (QA)

Eutectic phase Ca 19 Sn md md Co 619Sn ... View the full answer