Tolerance Control Technique for Long-Span Fully Bolted Steel Structures and Its Application in Major Projects

ZHANG Jinxun; DUAN Xianjun; LI Chuanhao; ZHANG Ailin; LIU Xuechun; CHAI Tingting; YIN Minglun

doi:10.3724/j.gyjzG25082905

Volume 55 Issue 8

Aug. 2025

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ZHANG Jinxun, DUAN Xianjun, LI Chuanhao, ZHANG Ailin, LIU Xuechun, CHAI Tingting, YIN Minglun. Tolerance Control Technique for Long-Span Fully Bolted Steel Structures and Its Application in Major Projects[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(8): 76-83. doi: 10.3724/j.gyjzG25082905

Citation:

ZHANG Jinxun, DUAN Xianjun, LI Chuanhao, ZHANG Ailin, LIU Xuechun, CHAI Tingting, YIN Minglun. Tolerance Control Technique for Long-Span Fully Bolted Steel Structures and Its Application in Major Projects[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(8): 76-83. doi: 10.3724/j.gyjzG25082905

Citation:

ZHANG Jinxun, DUAN Xianjun, LI Chuanhao, ZHANG Ailin, LIU Xuechun, CHAI Tingting, YIN Minglun. Tolerance Control Technique for Long-Span Fully Bolted Steel Structures and Its Application in Major Projects[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(8): 76-83. doi: 10.3724/j.gyjzG25082905

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Tolerance Control Technique for Long-Span Fully Bolted Steel Structures and Its Application in Major Projects

doi: 10.3724/j.gyjzG25082905

1. Beijing Urban Construction Group Co., Ltd., Beijing 100088, China;
2. College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

Received Date: 2025-08-29
Available Online: 2025-10-24

Abstract

Abstract

The installation of long-span fully bolted steel structures is carried out using a multi-stage connection process. If components are manufactured solely based on nominal dimensions, dimensional deviations will occur due to manufacturing, transportation, installation, and environmental temperature changes. These deviations can readily lead to excessive assembly stress or failure in bolt connection, thereby affecting structural safety and assembly efficiency. A dimensional chain tolerance control technique for components, installation units, and structural units is proposed. Through tolerance allocation and fit design, the dimensional deviations caused by manufacturing, transportation, installation, and environmental temperature changes are accommodated. This enables accurate, efficient, and stress-free structural assembly and ensures high assembly quality. This technique was successfully applied to a long-span H-shaped steel truss roof structure at an airport terminal, achieving high-precision tolerance control in fully bolted assembly.
- long-span steel structure,
- fully bolted assembly,
- dimension chain,
- tolerance fit,
- hig-hprecision control

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References(12)

References

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