“水-冰”转换钢结构系统改进方案试验研究

Experimental Study on Improvement Scheme of “Water Ice” Conversion Steel Structure System

国家游泳中心冬奥会冰壶场馆改造采用“水-冰”转换钢结构系统实现了泳池至冰壶赛道的功能快速转换。对原钢结构系统进行优化,在预制混凝土面板与钢次梁之间增设精调装置,提出“水-冰”转换钢结构系统改进方案,进一步提升了场馆功能转换效率。试验表明:改进方案能够满足冰壶赛道的参数要求,转换效率较原方案提高18.9%。

A “water-ice” conversion steel structure system is adopted in the transformation of the Curling Venue of the National Aquatics Center for the Beijing 2022 Winter Olympics in order to achieve the rapid conversion from the swimming pool to the curling track. The original steel structure system was optimized, and a fine-tuning device was added between the precast concrete panel and the steel secondary beam. The improvement scheme of the “water-ice” conversion steel structure system was proposed, which further improved the function conversion efficiency of the Venue. The test shows that the improved scheme can meet the parameter requirements of the curling track, and the conversion efficiency is 18.9% higher than that of the original scheme.