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白银市体育场挑篷造型为折扇面半圆弧形,尾部设连续“V”型拉杆固定于下部混凝土柱顶,挑篷结构采用空间桁架体系,结构设计中通过采用不同的桁架布置方式,进行多方案对比选型,最终结合挑篷造型特点对下部结构柱网进行调整,从而简化桁架构形,实现了对挑篷结构的设计优化。本文主要介绍了挑篷结构多方案对比优化的过程,同时对挑篷设计中几个关键问题的处理进行了说明及总结,可供同类工程参考。
Baiyin City stadium canopy is shaped as a semi-circular arc folding fan, tail continuous “” type rod fixed to the lower part of the concrete roof, roof truss system using space truss structure design through the use of different truss layout, carried out Multi-program comparison and selection, and finally with the roof shape characteristics of the lower part of the column network to adjust, thus simplifying the truss configuration, to achieve the roof canopy design optimization. This paper mainly introduces the process of multi-program comparison and optimization of canopy structure. At the same time, it explains and summarizes the treatment of several key problems in the canopy design, which can be used for reference of similar projects.