大跨度预应力地下通道结构设计

Structural Design of Long-span Prestressed Underpass

摘要:

结合太原市南内环街东延某下穿高速大跨预应力地下通道的工程项目背景，首先分析该结构的特点与难点，然后综合考虑分析设计理念与技术、施工过程和后期运营及经济等因素，进行理论与计算的分析和研究，最后对今后采用此类结构的设计提出建议以供参考。

Abstract:

Combined with the project background of a long-span prestressed underpass crossing the expressway in the east extension of South Inner Ring Street in Taiyuan City, firstly the characteristics and difficulties of the structure are analyzed. Then the design concepts and technology, the construction process, the late operation and economic factors are comprehensively considered and analyzed to carry out the analysis and research on theory and calculation. Finally, some suggestions and references are provided for the design of this kind of structure to be used in the future.