What is AASHTO H-20 loading?
H-20 loading, also known as HS-20 loading, is the design criteria of the American Association of State Highway Transportation Officials, or AASHTO. It “means” a truck axle loading of 32,000 pounds or wheel loading of 16,000 pounds. Standards as published by AASHTO are categorized into classes.
What is HS20-44 loading?
Example of an HS truck loading: HS20-44 indicates a vehicle with a front tractor axle weighing 4 tons, a rear tractor axle weighing 16 tons, and a semi- trailer axle weighing 16 tons. The H and HS vehicles do not represent actual vehicles, but can be considered as “umbrella” loads.
What is Aashto HS20?
HS-20 is the truck live loadings of the AASHTO specification, where H stands for highway, S stands for semi-trailer, 20 stands for 20-ton weight of the tractor (first two axles). The “Design Tandem “consists of two axles, each axle weighing 25 kips spaced 4 ft apart.
What are truck tandems?
Tandem Trucks Any truck with a double axle in the back is considered a tandem truck. Both axles are usually drive axles — they propel the vehicle. The tandem axles allow the truck to carry much more weight, they provide stability and a smoother ride, and they provide better traction on slippery surfaces.
What is H20 live load?
Live loads are temporary loads that act on a structure. As defined in the AASHTO Standard Specifications for Highway Bridges, the design live load is defined as H20/HS20 truck loading or lane loading using the load that produces the largest moment or shear.
Are there any ramps to load a car?
If you’re looking to load a truck or car, we have automobile loading ramps, or if you’re loading heavy duty equipment, check out our equipment ramps that will assist you with getting the job done quickly as well as safely.
What kind of heavy duty ramps do landsport use?
Landsport offers a vast selection of Heavy Duty Ramps for many different types of applications. Our durable, lightweight aluminum ramps are available to load trucks, service vehicles, semi tractors, wheel loaders, skid steers, pavers, dozers, excavators, military equipment, MRAPs and so much more!
What’s the capacity of an arched loading ramp?
Patented overlapping hinges provide added structural support, allowing for a high load capacity of 2,000 lbs. of distributed weight per set. Arched ramps are perfect for loading low ground clearance lawn tractors and fold for convenient storage.
What kind of ramps are used for lawn tractors?
Arched ramps are perfect for loading low ground clearance lawn tractors and fold for convenient storage. For over 50-years Ohio Steel has manufactured high-quality, innovative tractor and ATV attachments that help get the job done faster and with less effort.