查询词典 tubular girder

The train and the deck truss girder bridge were coupled together as one composite system.

将列车一上承式钢桁梁桥视为一个整体振动系统。

By method of finite element calculation,parameter analysis of suspension bridge with steel truss girder are carried out.

本文基于有限元计算，探讨了主缆边中跨比、主缆垂跨比、加劲梁恒载大小以及中央扣等设计参数对钢桁梁悬索桥力学性能的影响，分析总结了上述设计参数与钢桁梁悬索桥强度和刚度的关系。

One of the most noticeable structual differences between the cable-stayed bridge and the truss and girder types lies in the field of flexibility.

斜拉桥与桁架和梁式类型桥之间，在结构上的一个最显著不同之处，在于柔度方面。

This thesis shows the structural damage of a steel truss girder model bridge by changing its unit rigidity.

通过改变钢桁梁模型桥单元刚度模拟其结构损伤，利用有限元结构动力分析程序对该模型桥在"损伤"前后进行了结构动力分析。

Workers still are in " bird's nest " coping nervously construction, on original girder structure, the transparent housetop of velar shape already laid very big one part,"Bird's nest " finishing already adjacent 9 into.

工人们还在"鸟巢"顶部紧张地施工，在原有的钢梁结构上，膜状的透明屋顶已经铺设了很大一部分，"鸟巢"完工已经接近九成。

The application of the spine girder structure to the viaduct has some merits, which is popularizing and drawing more attention.

脊骨梁结构用于高架桥，具有一定的优势，已开始逐步应用并引起关注。

The strength deck,botom,and side shell of a ship act as a box girder in resisting bending and other loads imposed on the structure .the weather deck, bottom ,and side shell also form a fight envelope to withstand the sea locally, and to provide the buoyancy which keeps the ship afloat.

船舶在抵抗弯曲和其他强加在结构上的负荷时，强力甲板、船底和船侧构成一根箱形梁。露天甲板、船底和船侧也构成一个框架局部承受海水压力，并且提供使船舶浮在水面的浮力。

In this paper, according to the construction technique features of the main girder of Yamen Bridge, the process of construction with the guyed traveler is established and the issues regarding the selection of the guy construction schemes and de...

根据崖门大桥主梁施工工艺的特点，建立了牵索挂篮施工模拟计算的流程，并对牵索方案的选择以及主梁立模标高的确定等问题进行了探讨。在此基础上，给出了崖门大桥主梁的施工流程及其计算结果。

By using CFD method, it was available to get not only the distribution of pressure, velocity and eddy air, but also the aerostatic force coefficients of a box girder section.

用计算流体力学方法模拟了桥梁跨中断面周围的风场特征，不仅能得到流场的压力、速度和涡旋的分布，还提取了箱梁断面的三分力系数。

First, the cross section of a boxlike girder is discretized into stiffened elements and corner elements, then the FEM program is compiled to calculate the curve between stress and strain of every stiffened element.

加筋板单元是船舶与海洋工程等箱型梁结构的主要组成构件，首先将箱型梁剖面离散成若干加筋板单元和角单元，利用非线性有限元方法逐一计算加筋板单元的应力—应变关系曲线，然后再用逐步破坏分析法得到整个结构的弯矩—曲率曲线，从而求得其极限弯矩。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。