异形多面体钢屋盖结构施工成套技术

doi:10.3785/j.issn.1008-973X.2010.01.026

2010, Vol. 44

Issue (1): 145-149 DOI: 10.3785/j.issn.1008-973X.2010.01.026

土木与建筑工程

异形多面体钢屋盖结构施工成套技术

卓新¹,杨帆¹,吴建挺²，楼道安²,蒋金生³

（1.浙江大学土木工程学系,浙江杭州 310058； 2.浙江展诚建设集团股份有限公司,浙江杭州 310005；3.中天建设集团有限公司,浙江杭州 310008）

Several advanced construction techniques for irregular polyhedron steel roof systems

ZHUO Xin¹, YANG Fan¹, WU Jian-ting², LOU Dao-an², JIANG Jin-sheng³

(1. Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China;
2. Zhejiang Zhancheng Construction Group Co. Ltd., Hangzhou 310005,China;
3.Zhongtian Construction Co. Ltd., Hangzhou 310008, China)

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摘要：

针对异形多面体钢屋盖结构的施工难题提出一系列施工成套技术,发明了“异形构件的虚拟四面体顶点测量定位方法”,解决了施工安装的测量定位问题；提出以异形节点为中心、同时焊接与该节点相连的至少3根主梁的施工工艺,能够有效抵消焊接应力与焊接变形,而且能够保证屋盖结构在施工期间分区形成独立稳定的结构状态；提出材料便宜、构造简单、操作简便的水平与垂直运输系统,解决了复杂结构的施工吊装问题,而且使施工成本大大降低；提出“以异形钢屋盖玻璃折板面为基准反向控制定位檩条位置”方法,能够有效控制屋盖采光顶玻璃面的安装精度.工程实践表明,提出的施工成套技术实用、经济、安全且高效．

Abstract:

Four advanced construction techniques were developed aimed at the key problems in construction of irregular polyhedron steel roof structures. Technique 1 is to utilize the virtual tetrahedron vertexes of irregular components to solve the surveying and locating difficulties in construction and installation. Technique 2 is to minimize the residual stresses and distortions due to welding and ensure different zones of the roof system to form independent and stable substructures by welding simultaneously at least three girders connecting symmetrically to a tetrahedron vertex. Technique 3 is to utilize a cheap, simple and maneuverable horizontal/vertical transportation system to solve the intractable problems in lifting complicated components. Technique 4 is to utilize the glass table-flap surface of irregular steel roof to locate the purlines, thus to control the installation precision of top roof light glasses. These techniques were proved to be economical, reliable and efficient in the engineering practice．

出版日期: 2010-02-26

TU 745.2

基金资助:

国家自然科学基金资助项目（50678157）；浙江大学－浙江展诚建设集团现代施工技术中心资助项目.

作者简介: 卓新（1964-），男，浙江杭州人，副教授，博士，从事空间结构力学分析与施工技术研究.

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引用本文:

卓新, 杨帆, 吴建挺, 等. 异形多面体钢屋盖结构施工成套技术[J]. J4, 2010, 44(1): 145-149.

ZHUO Xin, YANG Fan, TUN Jian-Ting, DENG. Several advanced construction techniques for irregular polyhedron steel roof systems. J4, 2010, 44(1): 145-149.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2010.01.026 或 http://www.zjujournals.com/eng/CN/Y2010/V44/I1/145

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