
AASHTO H-20/HS-20 Loading Specifications & Differences
What is H-20/HS-20 Loading? AASHTO’s H-20 and HS-20 are live load ratings applied to the design of bridges or other suspended items (e.g. lids for concrete vaults). Because the pavers …
HL93 Truck Loads vs. HS20 Truck Loads - NPCA
2010年7月28日 · The HL93 “design truck” wheel load is the same as the HS20 wheel load. The HL93 “design tandem” wheel load is 12,500 pounds compared with the “Alternate Military …
Translating “HS-20 Traffic” Lingo - Leading Precast Concrete ...
2019年8月18日 · What does HS-20 traffic rating mean? This is the term used by AASHTO and ACI to describe normal MOVING traffic loading conditions up to 18-wheeler loading. This …
Highway Design Loadings - Civil Engineering X
2024年4月15日 · The AASHTO Geometric Guide states that the minimum design loading for new bridges should be HS20 (Fig. 11.l) for all functional classes (local roads through freeways) of …
AASHTO Vehicle Live Loading
In the 1980s and early 1990s, it became clear that the HS20 vehicle used in design was not a good representation of current highway loading and that a new design model was needed. …
An “H20” or an “HS20” series truck features an 8,000-pound axle load for the drive axle and a 32,000-pound axle load for the axle(s) under the trailer. The only difference in these two …
H-20 Load Ratings Explained - Bingham & Taylor
H-20 loading refers to a two-axle truck with design criteria of truck axle loading of 32,000 lbs, or 16,000 lbs per wheel load.
AASHTO HL-93 Loading | HS20-44, Design Truck, Design …
2017年2月19日 · It has 3 basic Live Loads for bridges called HL-93 Loading (where H stands for highway and L stands for Loading, developed in 1993). 1. Design Truck: It is commonly called …
Trucks that pull trailers are designated as HS, for example HS 20-44 (a 20-ton semi-trailer truck). In general, a truck loading depends on the type of bridge, its location, and the type of traffic …
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HS-20 Loading Table
HS-20 Loading Table Item 6 18 20 30 38 48 60 72 84 96 108 120 144 Axle Load (lbs) 32,000 25,000* Tire Load (lbs) 16,000 12,500 Tire Contact Area (10" x 20" = 200 inch