北京新机场航站楼屋盖钢结构卸载技术研究

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摘要北京新机场航站楼屋盖采用不规则自由曲面空间网架结构，最大跨度达125 m。对屋盖结构卸载过程进行的数值仿真分析表明，变形及应力监测结果与有限元分析结果吻合度相对较高，卸载计算模型合理正确，卸载过程中整个结构受力稳定，验证了现场施工方案和卸载技术的可行性。

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	苏英强1
	王留成1
	段先军2
	马国良1
	万涛平1
	仝书敬1

关键词：自由曲面空间网架卸载过程仿真分析提升器与砂箱混合卸载变形及应力监测

Abstract： The roof of the Beijing New Airport Terminal Building adopts an irregular free-form space truss structure with a maximum span of 107 m. The numerical simulation analysis of the roof structure unloading process shows that the deformation and stress monitoring results are in good agreement with the finite element analysis results. The unloading calculation model is reasonable and correct, and the whole structure is stable during the unloading process, which verifies the site construction plan and The feasibility of unloading technology.

Key words： free surface space grid simulation analysis of unloading process lift unloading mixed with sand box deformation and stress monitoring

引用本文:

苏英强1,王留成1,段先军2等. 北京新机场航站楼屋盖钢结构卸载技术研究[J]. 建筑技术, 2018, 49(9): 951-.

SU Ying-qiang1,WANG Liu-cheng1,DUAN Xian-jun2 et al. Research On Unloading Technology of Steel Roof Structure for Beijing New Airport Terminal[J]. Architecture Technology, 2018, 49(9): 951-.

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http://www.jzjs.com/CN/ 或 http://www.jzjs.com/CN/Y2018/V49/I9/951