Car - Super 20 trailers - 120 what do you mean?
Hanging -120 is a checking loadThe trailer is 120 120t heavy trailer design team, car 10 is 10t car fleet, the fleet will see how cloth 85 general specification, design standard axle load 100 100t standard single axle double wheel vehicle, is used for pavement design.
Automobile load is expressed by automobile team. It is divided into four grades: Automobile -10 class, automobile -15 class, automobile -20 class, automobile super 20 class. Load level said that the number of a main vehicle total weight tonnage. There is only one heavy vehicle in each class, and the main car is front and rear. A heavy truck is a vehicle with a large total weight at a specified load level
There are many kinds of vehicles on the bridge, such as cars, flat trailers, tracked vehicles, rollers, etc., and the opportunities for different kinds of vehicles on the bridge are different. Through the analysis, synthesis and generalization of the number of axles of the actual vehicle, the distance between the front and the rear axle and the pressure of the axle, the standard load for the bridge design is specified in the design code of highway bridges and culverts. The automobile fleet, which is a regular and large number of vehicles, is used as a vehicle load. The tracked and flat trailers are occasionally used as load for tracked vehicles and flat trailers. The load is calculated by car load, and the load of tracked vehicle and flat plate trailer is checked.
