It plays a very important role in improving quality of pressing part that correct calculation of bend molding fold point on the vertical and horizontal girder in automobile support.
汽车车架纵(横)梁弯曲成形模具折点的正确计算确定，对压制零件质量的提高起着重要的作用。
Compared with corresponding horizontal stiffening girder and the computational result without concrete's shrink and creep, the difference is more than 20%.
与相应的水平加劲梁和不考虑收缩、徐变影响的计算结果比较，差值均在20%以上。
Vertical movement due to vertical grade with horizontal bearings and vertical movement due to girder end rotation may also be considered.
还可考虑因垂直梯度与水平支座一起发生的垂直位移，以及因大梁一端转动引起的垂直位移。
Position synchronization control method combined with force tracing control algorithm was put forward to keep the girder horizontal and supported by 4 cylinders averagely.
为使运输与吊装过程中箱形梁严格保持水平，设计中综合采用了位置同步控制和力跟踪控制算法，实现了4个油缸同步运动且受力平均。
Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection.
肉眼观察表明：在端节点处的系梁和横梁上翼缘之间产生一种沿桥梁纵向的水平位移。
Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection.
肉眼观察表明：在端节点处的系梁和横梁上翼缘之间产生一种沿桥梁纵向的水平位移。
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