与在河道下深打桥墩基础的短跨距相比，长跨距对航运更好更经济。
Wider spans are more economical and better for the navigation of shipping than shorter ones between piers with deep foundations penetrating the bed of the waterway.
该桥桥墩基础位于水流湍急的深水区，基础施工、桁梁的架设均有很大的难度。
The bridge pier bases locate deep water region where the water flow is rushing, so, the construction of bases and truss beams was difficult.
软弱地基上的重力式桥墩，在强烈地震作用下，有可能会发生桥墩基础提离现象。
The gravity bridge pier built on weak ground base may be lifted off the base during strong earthquake event.
使用ABAQUS有限元软件对轻轨桥墩基础与地基进行模拟计算，探讨了不同施工工况对桥墩位移的影响规律。
Second, to simulated calculate the base of light rail and foundation with the ABAQUS finite element software, analysis of the law of the bridge pier subsidence in different construction conditions.
下部结构采用以钻孔灌注桩为基础的三墩柱，并分别对桥墩和桩基础进行了计算和验算。
The structure is based on the cast-in-place pile pier, and three of the piers and pile foundation were calculated and checked.
高耸工程结构复合振动基频计算公式计算简单，精度高，特别适用于识别桥墩和各种高耸建筑的基础约束刚度。
The calculation formula presented in this paper is simple in computation, high in precision, and adaptable to identify the foundation restraints stiffness of bridge piers and all kinds of towers.
本文给出了重力式桥墩与明挖基础整体优化设计的数学模型，选择序列线性规划法，并利用线性规划的对偶理论求最优解。
In this paper, a mathematical model for integral optimization design of pier shaft and its foundation is given, and the SLP method and duality theory are applied here to have a optimal solution.
为了研究弹性基础上连续梁的振动特性，提出了连续梁桥墩的振型函数表达式。
The mode shape function of the pier was offered to study the dynamic deformation feature of the continuous beam bridge sited on the elastic foundation.
得出了一定的结论，并在此基础上对钢筋混凝土桥墩延性设计方面提出一些建议。
It reached a certain conclusion, and on this basis, made some Suggestions the ductility design of reinforced concrete bridge pier.
本文在以往研究的基础上，从理论进一步分析了钢箱形断面桥墩的抗震性能和部分内填混凝土补强法补强效果。
The paper studied the seismic performance of steel box bridge pier and the strengthening effect of partially concrete-filled strengthening method using finite element method.
在确定采用哪种方法时，要根据桥梁的结构型式、桥墩材料、墩台高度、基础类型等因素来确定。
To determine which method to be used, some factors should be taken into consideration, such as the kind of bridge structure, the height of piers and abutments, the type of base, et al.
采用瑞利法，导出了计算浅平基桥墩、桩基桥墩及沉井基础桥墩基频的近似公式。
The approximate formulas for the natural frequency of bridge piers with shallow foundation, pile foundation and sunk shaft foundation were derived by the Rayleigh Method.
桥墩的抗震性能试验是桥梁抗震分析的基础性研究工作。
The test on seismic performance of bridge piers is the basic research work of the bridge seismic analysis.
以桥墩的基本振型函数为基础，推导出基于试验动力参数的在役桥梁结构延性系数的计算公式，并给出了结构非弹性地震力的求解方法。
Based on the piers mode shape function, this paper studied the methodology of structure ductility coefficient by modal test and the procedure of the structures inelastic seismic force.
引起桥墩局部冲刷的泥沙运动是以水流脉动为基础的，只有深入地了解水流的脉动特性，才能更好地提高对桥墩局部冲刷的认识。
Local scour on bridge pier caused by the sand movement is based on turbulence, understanding the turbulence characteristics in-depth can better raise awareness of local scour on bridge piers.
在弹塑性地震反应分析的基础上，对拼装式双柱桥墩接头在常遇小震及罕遇大震时的抗震能力进行了评估。
The dynamic characteristics and seismic responses of assembly double column pier are investigated in details in this study.
在弹塑性地震反应分析的基础上，对拼装式双柱桥墩接头在常遇小震及罕遇大震时的抗震能力进行了评估。
The dynamic characteristics and seismic responses of assembly double column pier are investigated in details in this study.
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