A calculation example is presented, and the maxi mum dynamic deflection of the beam bridge under the conditions of different speeds, different weights and different lengths of a vehicle is calculated.

• 分别分析了一辆汽车以不同车速、不同车重及通过不同跨径桥梁时的情况，并给出了相应情况下的简支梁桥跨中动位移的变化曲线。