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Excuse me, under the design load of bridges and culverts, what does the car-over 20 trailer-120 mean? thank you
The vehicle load is expressed as a fleet, which is divided into four grades: automobile-10, automobile-15, automobile -20 and automobile -20 or above. The figure of the load class indicates the total weight and tonnage of the main vehicle. There is only one heavy car at each level of the team, and the front and rear are the main cars. Heavy-duty vehicles refer to vehicles with large total weight under the specified load level.
Hang-120 is the check load.
Trailer 120 is a redesigned trailer fleet of 120t, and car 10 is a fleet of 10t. As for how to arrange the fleet, it depends on the general specifications of 85. The standard design axle load 100 is a single-axle two-wheeled standard car, which is used for pavement design.
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