北京国瑞中心西塔楼为满足建筑造型要求,须采用大跨度空腹钢桁架.施工中通过对单榀桁架吊装及焊接过程的应变监测,总结了规律,得出了大跨度空腹桁架结构施工的要点和方法.%Beijing Glory Center west tower project adopted wide-span vierendeel steel truss to satisfy the requirements of building shape. Stress was monitored during single frame truss lifting and welding. Relevant construction laws were summarized to find the key construction points and methods for wide-span vierendeel truss construction.
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