As those long span t type rigid Bridges with high pier served in railway, it is a need to evaluate their dynamic capability.
高墩大跨t构桥应用于铁路中，需要对其动力性能进行评估。
The pier displacement is a key parameter for analyzing the security of the high pier bridges.
墩顶位移是表征高墩桥桥墩安全的重要参数之一。
The installment of tie beam of pier in high earthquake intensity regions was studied in the view of improving seismic performance of bridges.
从提高桥梁抗震性能的角度出发，研究了高烈度区桥墩系梁的设置问题。
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