查询词典 span bridge

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。

An analytical expression is presented based on total probability theory to describe the mean annual rate of structural performance level reaching or exceeding a specific limit state, and the analytical solutions are adopted to analyze the seismic risk of a three-span rigid-frame bridge in a specific hazard environment.

六、在全概率理论的基础上推导了结构在特定地震危险性水平下的年平均达到或超过指定极限状态的概率的解析表达式，并用此解析表达式对一个三跨连续刚构桥结构进行了在特定地震环境下的地震危害性研究。

A three-span bridge girder is numerically examined, and the results show that its seismic responses under the optimal control of additional dampers at the supports are notably decreased.

实例分析了一三跨连续桥梁结构，结果表明，在支承处施加优化阻尼控制，其地震反应得到了显著地降低。

The detailed process of model updating and validating is discussed in terms of reduced scale specimen of the steel box girder in longitudinal stiffening truss of a long span bridge.

以实验室的大跨桥梁结构钢箱梁纵向加劲桁架缩尺试样为研究平台，具体讨论了多尺度模型修正和验证的实施过程。

With the long-span bridges, truck and design speed of the continuous growth of the bridge a more accurate modeling, Analysis and the stress and strain, such as a more important practical significance.

随着桥梁在跨径，载重和设计时速的不断增长，对桥梁进行更为精确的建模，受力分析和应力应变等具有更加重要的现实意义。

With the increase of bridge span, decreasing its self-weight is crucial and important.

随着桥梁跨度的增加，减轻上部结构自重便成为首要问题。

The result showed that the approach was highly potential and practical in assessing the safety of long-span concrete-filled steel tube arch bridge.

通过工程实例验证，评价结果较好地反映了桥梁结构的安全性状况，证明了该评价方法的可行性与实用性。

Based on a large bridge in the South Section of Guangzhou City Ring Road in National Way,the design,structural characteristic and construction of big span rhombic hanging basket are introduced in this paper.

以国道主干线广州绕城公路西环南段北江特大桥为例，介绍大跨度宽幅悬浇箱梁菱形挂篮的设计、结构组成、特点及施工关键技术。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。