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长悬挑多层钢桁架空间结构吊装施工技术

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以北京市某国际化商务综合体项目为例,介绍了南裙房长悬挑多层钢桁架空间结构的设计概况、起重吊装设备选择和吊装施工区域地下室回顶加固处理措施,通过现场塔式起重机和汽车式起重机相结合的方式,阐述了长悬挑多层钢桁架空间结构分层吊装的工艺流程和施工操作要点,重点对悬挑钢桁架结构地面预拼装方法和分层分段吊装的过程进行了介绍;该吊装施工技术的应用,确保了工程的质量和安全.
HOISTING CONSTRUCTION TECHNOLOGY FOR LONG CANTILEVER MULTISTORY STEEL TRUSS SPACE STRUCTURE
An international business complex project in Beijing was took as an example to introduce the design overview,selection of lifting equipment,and reinforcement measures for the basement in the lifting construction area of the southern podium long cantilever multi-layer steel truss space structure.By combining on-site tower cranes and car cranes,the process flow and construction operation points of layered lifting of the long cantilever multi-layer steel truss space structure were elaborated.The emphasis was placed on introducing the pre assembly method of the suspended steel truss structure on the ground and the process of layered and segmented lifting.The application of this lifting construction technology ensures the quality and safety of the project.

long overhangmultistory truss structuresteel structurehoisting construction

李春辉、王岩、孙军令、马靖原、殷小伟

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北京新航城控股有限公司,102602,北京

北京博大经开建设有限公司,100176,北京

航天规划设计集团有限公司,102627,北京

长悬挑 多层桁架结构 钢结构 吊装施工

2023

建筑技术
北京建工集团有限责任公司

建筑技术

影响因子:1.262
ISSN:1000-4726
年,卷(期):2023.54(23)
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