建立了一种新型压痕底模系统的模型，并测试分析了不同压痕条件下纸板的抗弯应力曲线和最大抗弯应力值。
The bending curve and the maximal bending stress of the cardboard under different indentation conditions were tested and analyzed.
道床动弯应力和路基面动应力随车辆速度的增大而增大，道床中部裂纹对道床动弯应力和路基面动应力的影响更为明显。
The crack at the middle of the track bed has more effect on dynamic bending stress of track bed and dynamic stress of subgrade than crack at other location.
本文对三种新型钢轨接头现场使用情况的测试结果进行了介绍，主要包括测点处的钢轨接头夹板上、下缘动弯应力、夹板水平中性轴处剪应力。
The testing results about the use of new rail joint was introduced, which include the dynamic flexure stress of upper limb and lower margin of joint bar, shearing stress of horizontally neutral axis.
应用推荐