查询词典 span bridge

The structural characteristics of a three-span continuous half-through, self-anchored ,concrete-filled steel-tube arch bridge are introduced.

介绍了三跨连续自锚中承式钢管混凝土拱桥特点，阐述了桥型布置原则及主要结构尺寸的拟定。

On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer ,the principle of prestressed tendon layout for three-span prestressed concrete deck arch bridge is illustrated.

在分析预应力布置位置对三跨上承式拱桥内力和拱脚推力影响的基础上，阐明了该类桥型预应力筋的布置原则。

In this paper, the seismic response of a high pier three-span continuous box girder bridge is detailed calculated, and the measures that prevent beam down and crushing pillar to damage of the structure in big earthquake is advanced.

通过时一座高墩三跨连续箱梁桥的地震响应进行数值模拟计算，分析了高墩桥梁的地震响应特点，提出了高墩桥梁在大震作用下应采取防止落梁及墩柱压渍破坏的构造措施。

Combined with that the influence of the prestressed tendon layout on mechanics characteristic of three-span prestressed concrete deck arch bridge is taken into account in these methods, and demand of internal force and displacement in design is satisfied by using upward and downward eccentric layout of prestressed tendon.

这些设计法针对该类桥型的特点，利用在拱顶粱中分别布置一定数量的上下偏心的预应力筋来优化结构的内力和满足各部分的位移限制要求。

A three-span continuous curved box girder bridge model was made to meet the specific requirements of the research work of this paper.

制作了一个三跨混凝土曲线箱梁桥模型，基于合理的试验流程安排，进行多工况下的普通连续曲线箱梁桥和整体式桥台连续曲线箱梁桥的剪力滞效应试验，得到两种桥型在试验工况下的剪力滞系数。

There is an analysis of spatial stress on variable cross-section wide box girder of three-span continuous PC rigid frame bridge in the paper.

对一座铁路三跨连续PC刚构桥变截面宽幅箱梁进行了空间应力分析。

4Based on the analysis above, a local finite element model of the united-arch-feet three-span continuous through type bow-string arch bridge is established and analyzed. The simplification of the external force and the boundary displacement, the internal relation between local analysis and whole analysis, the analytic method of partial nodes are discussed. Suggestion is made for the design and construction of this kind of bridges, insuring the structure safety.

在静力分析的基础上，对三跨连续下承式系杆拱桥的拱脚结合部位进行局部应力分析，探讨了局部节点分析的外力和位移边界条件的简化，局部分析和整体分析的内在联系，局部节点分析的方法等，避免设计的盲目性，对今后此类桥梁的设计、施工提供建设性的意见和建议，确保结构安全。

On the basis of analyzing effect of prestressed tendon layout on internal force and thrust at springer, the principle of prestressed iendon layout for three-span prestressed concrete deck arch bridge is illustrated.

摘要在分析预应力布置位置对三跨上承式拱桥内力和拱脚推力影响的基础上，阐明了该类桥型预应力筋的布置原则。

Impact factors of a simply supported beam, a three-span continuous beam and a cable-stayed bridge are evaluated and compared with various models of vehicle and various speeds of train.

选取简支梁桥、连续梁桥及斜拉桥等3个实例，在各种车辆模型及各种车辆速度作用下，对桥梁的冲击系数进行了全面的计算和比较。

The total construction process of three-span composite steel box-concrete continuous girder bridge having varied cross-section is analyzed by using spatial finite element method.

应用空间有限元方法，对3跨变截面预应力钢箱-混凝土组合连续梁桥进行了建造全过程分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。