分析比较不同纵向连接方式下桥梁的静力特性（如应力分布、挠度与荷载横向分布等）。
The static characteristics, such as strains and stress distribution, deflection change, cracks of the model bridge with different longitudinal connections, were analyzed and compared.
该系统利用一个传感器解决了横向振频、横向振幅、纵向振频、纵向振幅和动挠度五个参数的检测问题。
The system use one sensor solved the examination problem of horizontal amplitude, horizontal frequency, vertical amplitude, vertical frequency and dynamic flexibility.
钻柱横向非线性振动的基频随着初弯曲最大挠度的增大而减小，初弯曲对钻柱横向非线性振动基频的影响随钻柱长度的增大而增大，随轴向压力的影响而增加。
The effect of initial deflection on the first frequency increased with either the length of drill stem or the axial compressive force on the drill stem increases.
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