桥梁结构的自振特性是结构动力分析和抗震分析的重要参数。
The free vibration characteristic of bridge structure is the important parameter for the dynamic and seismic analysis of structure.
固有频率和振型是反映结构动力特性的主要模态参数，是评价桥梁动力性能的重要依据。
The natural frequency and vibration mode are the principal modal parameters representing structure dynamic behavior as well as the important basis for evaluating bridge dynamic performance.
气动导纳函数是桥梁抖振分析中的重要气动参数。
Aerodynamic admittance was an important aerodynamic factor in the analysis of buffeting of Bridges.
桥梁断面表面压力系数、最小压力系数等是桥梁断面重要的参数。
The surface pressure coefficient and the minimum pressure coefficient of a bridge deck section are important parameters of the bridge.
为了有效维护桥梁和确保其安全运行，监测桥梁结构的关键状态参数对于全面及时反映桥梁工作状态和进一步开展安全性评估极为重要。
In order to effectively maintain bridge structures and discover the insecurity factors in time, monitoring the key state parameters in bridge structure and diagnosing the damage are very important.
桥梁结构的动力特性是桥梁承载能力评定的重要参数，同时也是识别桥梁结构工作性能和桥梁抗震分析的重要参数。
The dynamic characteristic of bridge is an important parameter not only for carrying capacity evaluation but also for earthquake resistance analysis of bridge.
环境振动试验是检测大型桥梁结构的主要方法，检测得到的模态参数是判定桥梁健康状况的重要依据。
Ambient vibration test is the main method of detecting a large bridge structure, Modal parameters is important to determine the health status of the bridge.
动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
动三轴试验主要确定土的动剪切模量和土的动阻尼比，而这些参数又是地震动反应分析中的重要参数，该参数的取值小直接影响了桥梁的勘察设计。
Dynamic triaxial test is mainly used to determine the dynamic shear modulus & dynamic damping ratio of soil, which are the important parameters for seismic response analysis.
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