S3公路工程中小箱梁的运用

摘要:

S3公路(周邓公路—G1503公路两港大道立交)新建工程中后张法预应力混凝土小箱梁的运用情况介绍,比较了小箱梁与其他结构的优势。在工程中结构及断面的运用及优化情况。简单介绍小箱梁计算参数与应力控制。简支变连续小箱梁在小半径立交范围内的运用。小箱梁在施工过程中需要注意的问题。

Abstract:

This paper introduces the application of post-tensioned prestressed concrete box girders in the new construction of S3 highway, and compares the advantages of the small box girders with other structures. Application and consideration of post-tensioned prestressed concrete small box girder in new construction of S3 highway.Application and optimization of structure and section in engineering.The calculation parameters and stress control of small box girder are simply introduced. Application of simply supported continuous small box girder in small radius interchange. Problems needing attention in construction of small box girder.