土工基础

›› 2012, Vol. 26 ›› Issue (5): 85-86.

• 工程实录 • 上一篇    下一篇

预应力薄壁斜腹箱梁施工工艺探讨

王庆钢,徐世刚   

  1. (中国一冶集团有限公司交通工程公司，武汉 430080)
  • 收稿日期:2012-08-25 出版日期:2012-10-20 发布日期:2012-10-27
  • 作者简介:王庆钢(1970-)，工程师,研究方向为桥梁施工。

Pre--stressed and Thin--Walled Box Girder Construction Techniques

WANG Qinggang, XU Shigang   

  1. (Transportation Engineering Co., China First Metallurgical Group，Wuhan 430081)
  • Received:2012-08-25 Online:2012-10-20 Published:2012-10-27

摘要： 预应力薄壁箱梁因其外形美观、力学性能较好、惯性截面积大、剪力传递良好、综合经济指标优于其它预制梁体而被许多桥梁所采用,但由于其腹板倾斜，预制施工时易出现一些与直腹梁不同的情况。以武汉市中环线南环段高架桥25 m预应力箱梁施工为对象，对预应力薄壁斜腹箱梁预制施工工艺进行探讨。

Abstract: Pre--stressed and thin--walled box girders receive increasingly wider applications in the bridge construction industry due to their esthetic in appearance, high cross sectional moment of inertia, excellent shear transfer performance and the low fabrication and construction costs. However, due to their inclined web, there are some unique situations that are different from those from the plumb web girders might be frequently encountered during the girder fabrications. This paper introduces the construction techniques of the prestressed and thinwalled box birders in the construction of a viaduct for the South Section of Wuhan City Link Project.

Key words: Post--Tensioned, Thin--Walled Box Girders, Construction Techniques