因此，建立一种模拟真实情况下汽车过桥所产生荷载，同时便于车桥耦合振动分析计算的车辆荷载模型是十分有必要的。
Therefore, it is very necessary to find a Method to simulate reality generated by the bridge under vehicle loads, and to facilitate the calculation of Coupling Vibration Analysis.
通过分析城市道路的车流分布特点，分别建立了小轿车、大型客车和重型车三类车辆模型，然后依据拥堵情况拟定针对城市桥梁拥堵的车辆荷载模型。
Through analyzing the distribution of car flow in urban road, vehicle models of car, bus and heavy vehicle are set up separately. Based on the state of jam, vehicle loading model is established.
针对双层隧道衬砌结构，建立了既考虑围岩与结构的相互作用，又能考虑车辆活荷载作用的结构计算模型。
The calculation models of the double decked tunnel were established in consideration of not only the interaction of the strata surrounding and lining but also the effect of live loads of vehicle.
整车动力学模型的建立为更加精确的进行车路耦合作用计算提供可能，可以模拟出实际车辆在波形路面激励下产生的动荷载作用值。
The vehicle model provides possibility for more accurate compute and it can simulate the dynamic vehicle loads of real vehicles on wave road.
最后，本文通过模拟计重收费情况下车辆的载重特性，研究了计重收费对公路桥梁荷载模型的影响。
Finally, the influence of loading based toll collection are studied by simulating the vehicle weight under the situation.
最后，本文通过模拟计重收费情况下车辆的载重特性，研究了计重收费对公路桥梁荷载模型的影响。
Finally, the influence of loading based toll collection are studied by simulating the vehicle weight under the situation.
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