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1·In this paper, a nonlinear finite element analysis of plate - truss composite steel girder is studied.

对板桁组合钢梁进行非线性有限元分析。

2·The prestress of steel girder by high strength cover plate can raise stiffness and save steel, with simple configuration.

焊接高强钢盖板的预应力钢梁构造简单，刚度较大，节约钢材，是一种值得推广的结构型式。

3·A 15 storey reinforced concrete shear core building and a steel girder arch bridge have been chosen as case verification.

实例分析包括一15层高的钢筋混凝土建筑和一座钢拱桥。

4·The rigid connection is installed at the top of the reinforced concrete pier, instead of the intersection part of steel girder and reinforced concrete pier.

将刚节点部设置在钢筋混凝土桥墩的顶部，而非目前常用的将其设置在钢梁与钢筋混凝土桥墩交叉部的结构形式。

5·Based on analysis results, a formula for the calculation of restraining moment of single-plate connection between steel truss (steel girder) and RC wall is derived.

本文根据分析结果拟合得到了适用于钢桁架或实腹钢梁与混凝土墙体之间连接约束弯矩的计算公式。

6·The fabrication and calculation of the prestressed steel girder is presented in this paper, and its application and economical advantage is illustrated by an example.

本文介绍了这类预应力钢梁制造方法和计算方法，并通过工程实例说明其应用方法和经济效果。

7·A prestressed steel girder is regarded as composite structure of girder and tendons through establishing prestressed steel cable of high strength in the steel girder.

预应力钢梁是在普通的钢梁内设置高强度预应力钢索而形成的索梁共同受力的组合梁桥。

8·Erqi Yangtze River bridge is composite girder cable-stayed bridge with three towers with the longest span in the world, which is connected with steel girder and concrete slab.

在建的武汉二七长江大桥是主梁采用钢结构，桥面板为混凝土结构，主梁与桥面板用剪力件连接的世界上最大跨度的三塔结合梁斜拉桥。

9·This method mainly control the unstress geometry size of each components of the whole cable-stayed bridge such as the unstress length of cable, unstress geometry of steel girder.

这种方法是以组成整座斜拉桥各部分构件的无应力几何尺寸，如斜拉索的无应力索长、钢梁的无应力线形来主导施工控制。

10·Following the process of construction, considering the worst loads, according to the assumption of plane section, the steel girder alone and the composite girder are computed respectively.

按照实际施工过程，考虑最不利计算荷载，根据平截面假定，分别对钢梁单独受力和钢-混凝土组合梁两种工况进行计算。

钢梁

1·The prestress of steel girder by high strength cover plate can raise stiffness and save steel, with simple configuration.

焊接高强钢盖板的预应力钢梁构造简单，刚度较大，节约钢材，是一种值得推广的结构型式。