What is the rear wheel load for hs-20?
One of the differences between these ratings, is HS-20 refers to traffic loading conditions with wheel loads up to 45,136 lbs, when considering impact and load factors, while Tier 22 is using a 33,750 lbs wheel load tested in a vertical position.
What is H20 S16 loading?
In specifications prior to 1965, the HS20-44 loading was designated as H20-S16-44, with the S16 identifying the gross axle weight of the semi-trailer in tons. The H and HS vehicles do not represent actual vehicles, but can be considered as “umbrella” loads.
What is AASHTO H 20 loading?
32,000 pounds
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 does H 20 loading mean?
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.
What is h – 20 loading weight?
An HS-20 loading is represented by a three-axle semitrailer combination weighing 72,000 pounds with 8,000 pounds on its steering axle and 32,000 pounds on its drive axle and 32,000 pounds on the semitrailer axle. The “20” in HS-20 stands for 20 tons (4 tons on the steering axle and 16 tons on the drive axle).
What is H-20 loading?
HS-20 loading is defined as a tractor truck with a tandem axle semi-trailer with a dual- wheel load of 16,000 lbs. The FAA (Federal Aviation Administration) Advisory Circular AC 150/5320-6D describes aircraft loading as 100,000 lbs.
What is a H20 truck?
H20 truck is a 20T truck; two axles, 4T & 16T, spaced at 14′. HS20 is a 36T truck It’s the H20 truck with an additional 16T axle with a variable spacing of 14′ to 30′, whichever produces maximum stress.