Engineering Mechanics ›› 2018, Vol. 35 ›› Issue (12): 203-211.doi: 10.6052/j.issn.1000-4750.2018.09.0836

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STUDY OF COMPREHENSIVE MONITORING TECHNOLOGY OF THE CONSTRUCTION PROCESS OF COMPLEX LARGE-SPAN SPATIAL STEEL STRUCTURES

LEI Su-su1, LIU Yu-fei2, DUAN Xian-jun1, GUO Xiao-hua3, LI Xue-fei3, LI Jian-hua1, HOU Jin-feng1, LI Hai-bing1, YANG Jian-ping3, XING Kun-tao3, CUI Zheng-tao3, GUAN Jian3, BI Deng-shan3, NIE Xin2,4   

  1. 1. Beijing Urban Construction Group Co., LTD, Beijing 100085, China;
    2. Department of Civil Engineering, Tsinghua University, Beijing 100084, China;
    3. Central Research Institute of Building and Construction Co., Ltd. MCC. Beijing 100088, China;
    4. State Key Laboratory of High Speed Railway Track Technology, Beijing 100081, China
  • Received:2017-11-09 Revised:2018-09-29 Online:2018-12-14 Published:2018-12-14

Abstract: Construction process monitoring is of great significance to the construction of complex large-span spatial steel structures. The targeted monitoring indicators should be chosen according to different construction methods specifically. The commonly-used monitoring indicators and the corresponding monitoring methods and devices during the process of the construction monitoring of large-span spatial steel structures, and new monitoring technologies are discussed in detail. Based on the construction process of the steel roof of the Beijing New Airport terminal building, the monitoring indicators including the stress and strain of key components, structural displacement and deformation by using 3D laser scanning and UAV monitoring of priority areas are selected comprehensively to inspect the mechanical behavior, deformation feature and partial construction quality problems of the structure. This comprehensive monitoring technology provides a comprehensive and reliable solution to the construction monitoring of complex large-span spatial steel structures.

Key words: complex large-span spatial steel structure, construction process, structural monitoring, technology study, Beijing New Airport project

CLC Number: 

  • TU393.3
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