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超高重型大跨度室内滑雪场钢屋盖建造技术
Authors
张胜杰
贾宝荣
陈颖
Publication date
1 September 2024
Publisher
Editorial Department of Progress in Steel Building Structures, Tongji University
Doi
Cite
Abstract
网架作为一种空间杆系结构,因其具有整体性和稳定性好、空间刚度大和抗震性能好的优点而被广泛应用在大跨度结构中。常规的网架安装方法主要有整体提升法、高空滑移法、分条吊装法及高空散装法等。但超高重型焊接球网架不同于一般螺栓球网架,其跨度及可承受的荷载更大,对应的施工安装难度及安全风险更高,如果仅采用单种常规安装方法,很难高效、顺利地实现结构成型。以上海临港冰雪之星项目室内滑雪场钢屋盖为背景,着重介绍“原位原姿态拼装后分块整体提升”的安装技术路线及对应施工过程分析和改进措施,并通过对胎架拼装、提升控制及卸载等关键工序的研究,为今后类似大跨度钢结构屋盖安装的施工方案提供参考
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Last time updated on 28/12/2024