RESEARCH ON SAFETY MONITORING OF IN-SERVICE SPATIAL GRID STRUCTURE AND MEMBER DEFORMATION INDEX

LIU Yufei; FAN Jiansheng; WEI Xiaochen; LIU Xiaogang; YANG Jianping

doi:10.13204/j.gyjzG20102908

Volume 51 Issue 5

Sep. 2021

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LIU Yufei, FAN Jiansheng, WEI Xiaochen, LIU Xiaogang, YANG Jianping. RESEARCH ON SAFETY MONITORING OF IN-SERVICE SPATIAL GRID STRUCTURE AND MEMBER DEFORMATION INDEX[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(5): 16-21,36. doi: 10.13204/j.gyjzG20102908

Citation:

LIU Yufei, FAN Jiansheng, WEI Xiaochen, LIU Xiaogang, YANG Jianping. RESEARCH ON SAFETY MONITORING OF IN-SERVICE SPATIAL GRID STRUCTURE AND MEMBER DEFORMATION INDEX[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(5): 16-21,36. doi: 10.13204/j.gyjzG20102908

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RESEARCH ON SAFETY MONITORING OF IN-SERVICE SPATIAL GRID STRUCTURE AND MEMBER DEFORMATION INDEX

doi: 10.13204/j.gyjzG20102908

1. Department of Civil Engineering, Tsinghua University, Beijing 100084, China;
2. Structural Engineering Testing Center of Tsinghua University, Beijing 100084, China;
3. Central Research Institute of Building and Construction Co., Ltd., MCC Group, Beijing 100088, China

Received Date: 2020-10-29
Available Online: 2021-09-16
Publish Date: 2021-09-16

Abstract

Abstract

The spatial grid structure is one of the main structural forms of urban public buildings, which plays a vital role in the public life or transportation lifeline of citizens, and its safety guarantee has important social and engineering significance. The paper reviewed the research status and engineering technology of saftety assurance of in-service spatial grid structures, summarized the 12 inspection indicators for the testing and monitoring of existing spatial grid structures in technical standard for in-site testing of steel structure (GB/T 50621-2010), and an in-depth discussion of the frequently occurring bending deformation defect and its obvious impact on structural safety was conducted. Through the introduction of three-dimensional laser scanning, digital image method of multi-view geometric three-dimensional reconstruction, and applications of reverse engineering technique in the detection and quantitative measurement of bending deformation members, the new ideas for the testing and monitoring of bending deformation damage of the members were proposed.
- spatial grid structure in service,
- safety assurance,
- testing,
- monitoring,
- member bending deformation

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References(16)

References

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