桥跨

缺腿龙门吊在桥跨中吊装T梁的应用

Application of ' Gantry Crane Without Leg ' in Underslung Erection of T-beam among Bridge Span

考虑荷载横向分布系数m沿桥跨方向的变化，采用积分法对车道均布荷载引起的支点最大剪力进行了计算。

Considering the change of the load transverse distribution coefficient along the bridge span , the maximum value of shear force at supporting point caused by uniformly distributed lane load is calculated by integral method .

上海国际汽车城核心展示区景观大桥桥跨54.4m，平面形状为S形，立面呈伞状。

A 54.4m long landscaping bridge with plane shape of " s " and elevation of " umbrella " in international auto-city of Shanghai adopts structural system of single cable-stayed-column .

半解析法确定大型桥跨结构的影响场

Influence field determination of large bridge structures by semi-analytical method

多跨桥梁动静载试验时试验桥跨的选择

Selection of Tested Spans for Dynamic and Static Load Tests of Multiple-Span Bridge

桥跨分析模型薄板剪力的精确计算

Exact calculation of shear of the thin plate model for the bridge analysis

试验结果表明桥跨结构受力合理，具有良好的刚度与强度。

The test results indicate that the structure has enough stiffness and strength .

扁平箱主梁断面抖振力频谱特性以及桥跨方向相关性研究

Spectral Characteristics and Spanwise Coherence of Buffeting Forces on a Flat Box-Girder Bridge Deck

斜拉桥跨铁路施工安全防护技术

Safety and Protection Technology of Cable-Stayed Overpassing Construction

自振频率与桥跨刚度、结构挠度检验系数存在一定关系。

There is certain relation between eigenfrequency and bridge rigidity and displacement check coefficient .

简支桥跨结构的冲击系数计算方法及实验研究

Calculation Method and Experimental Study on Impact Coefficient of Simply Supported Bridge Span Structures

论互通式立交美学（Ⅳ）&立交桥跨美学

Discussing Interchange Aesthetics (ⅳ) Interchange Bridge Aesthetics

它开辟了大跨度钢桁斜拉桥跨中合龙的先河，为以后类似桥梁的合龙提供了宝贵的成功经验。

This victory provides valuable experience for the closing of similar bridges in the future .

芜湖长江大桥主跨钢桁梁斜拉桥跨中合龙施工

Closing of the Cable-stayed Wuhu Yangtze River Bridge Middle Main Span of Steel Truss Beam

有关研究显示桥梁最低颤振临界风速可能发生在平均风与桥跨成某一偏角的斜风情况。

Some research show the lowest flutter critical wind speed may occur in skew wind case .

本文阐述了对某一便桥桥跨所进行的实验模态分析。

In this paper , a experiment modal analysis about a temporary bridge body is discussed .

墩梁频率比对桥跨结构动力性能的影响研究

A Research over the Impact of Pier-Beam Frequency Ratio on the Dynamic Performance of Bridge Span Structure

杭州湾跨海大桥非通航孔桥跨比选方案的模型试验

Experimental research on the scheme of bridge span in non-navigable openings of the Hangzhou Bay Major Bridge

简支桥跨剪力、主拉应力横向分布模型实验及电算分析

Model test and programming analysis of shear force and principal tensile stress of simple supported bridge structure

主跨126米混凝土斜拉渡槽桥跨结构整体提升新型施工法

New construction method of integral hoisting a cable-stayed concrete aqueduct bridge with a main span of 126 meters

在动载试验中，测试桥跨结构的自振特性，并进行了行车激振试验，分析桥跨结构在行车下的冲击作用。

The natural vibration of the structure is tested , and the impact of the passing vehicles is analyzed .

最后，根据电算及解析推理，提出了简支桥跨主梁剪力荷载横向分布的三种实用公式。

Finally three simple formulae are given to calculate the shear transverse distribution in the finite difference method and analysis .

太旧高速公路武宿立交桥跨石太铁路段采用单点顶推法施工工艺，由于预制平台处地基沉降导致顶推持力台产生倾覆变形。

The section of Wusu Interchange Spanning Shi-Tai Railway on Tai-Jiu Expressway was constructed by using the direct incremental launching method .

警察通常位置对架空桥跨自己一条主要道路或高速公路有一个清楚的视线从两个方向。

The officers usually position themselves on overhead bridges that cross a major road or expressway with a clear line of sight in either direction .

对构造脉动风速场的基本原理进行了分析研究，并自编程序模拟了桥跨结构处的脉动风速。

The fundamental theories of simulating fluctuating wind field are studied , and to simulate the wind field on the site by self-programmed code . 6 .

本文提出新的不等刚度梁桥跨中荷载实测横向分布系数的计算方法，简化了实测横向分布系数计算过程。

At the same time , the facility calculating method of the load transverse distributing coefficient about vary rigidity beams was put forward firstly in this paper .

与此同时，应用该方法对荷载横向分布沿桥跨方向的变化进行了研究，以指导工程设计。

At the same time , this paper takes some search on the change of transverse distribution of load along the longitudinal direction by this new method .

1在桥跨布置方面，主边跨的比例更接近连续梁，但跨越能力较连续梁大。当支点梁高相同时，部分斜拉桥的跨度比连续梁大一倍以上。

When girder height in middle fulcrum is same , the span of partial cable-stayed bridge can be longer one times over than that of continuous beam .

由于仿真模拟和实际桥跨的差别，文中对边界约束情况、横撑、拱肋刚度、横梁简化等因素进行了分析讨论。

The analysis about boundary restrain 、 transversal support 、 arch rigidity and transversal beams is studied according to the difference between the actual bridge and the model .

本文通过模型实验和有限差分法电算，对桥跨结构主梁剪力横向分布进行了研究。

In this paper , the shear transverse distribution on the beams of bridge is researched using data of model tests and computation in the finite difference method .