（1 上海建筑设计研究院有限公司，上海 200433； 2 同济大学建筑工程系，上海 200092；3 上海中振测量技术工程有限公司 200235，上海； 4 同济大学建筑设计研究院，上海 200092）

［摘要］对某大跨度空间钢结构体育馆施工中的结构体系转换步骤进行了全过程数值模拟，并在卸载过程中采用应变计、全站仪、GPS及加速度传感器等进行了关键点位移和杆件的内力监测。通过与数值分析结果对比说明了模拟方法的可行性，对GPS技术在大跨度空间结构施工监测中的应用进行了论述。结果可为类似结构的模拟与监测提供依据。

［关键词］单层网壳；结构体系转换；数值模拟；监测

Numerical simulation and monitoring of unloading process of a single-layer reticulated shell

Zhao Xudong1, Chen Jun2, Li Guohui3, Li Kewei3, Jin Gang4

(1 Shanghai Institute of Architectural Design & Research Co., Ltd., Shanghai 200433, China; 2 Department of Structure

Engineering, Tongji University, Shanghai 200092, China; 3 Shanghai ZoneZenith Surveying Engineering  Co., Ltd.,

Shanghai 200235, China;  4 Architectural Design & Research Institute of Tongji University, Shanghai 200092, China)

Abstract:A numerical simulation of the structural system transformation process in construction of a long-span space structure was carried out, and instruments as strain gauge, total station, GPS and accelerometer were used to monitor t