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П形主梁截面是双索面混凝土斜拉桥的典型截面形式之一,也是第三代、第四代斜拉桥主梁采用的主要截面形式之一。本文结合一些设计实例和理论研究,介绍混凝土斜拉桥П形主梁的构造特点、设计经验取值和创新设计案例。
The Π -shaped girder section is one of the typical cross-section forms of double-cable concrete cable-stayed bridges and is also one of the main sections adopted by the third and fourth generation of main girders of cable-stayed bridges. In this paper, some design examples and theoretical studies are introduced to introduce the structural characteristics, design experience and innovative design cases of the Π-shaped girder of concrete cable-stayed bridge.