Research on Key Structural Issues of Pressurized Steel Structure Buildings at High Altitude

Zhang Kun; Zhang Borui; Ye Zhiwu

doi:10.13206/j.gjgS26082746

Volume 41 Issue 10

Oct. 2026

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Zhang Kun, Zhang Borui, Ye Zhiwu. Research on Key Structural Issues of Pressurized Steel Structure Buildings at High Altitude[J]. STEEL CONSTRUCTION(Chinese & English), 2026, 41(10): 39-44. doi: 10.13206/j.gjgS26082746

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Zhang Kun, Zhang Borui, Ye Zhiwu. Research on Key Structural Issues of Pressurized Steel Structure Buildings at High Altitude[J]. STEEL CONSTRUCTION(Chinese & English), 2026, 41(10): 39-44. doi: 10.13206/j.gjgS26082746

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Research on Key Structural Issues of Pressurized Steel Structure Buildings at High Altitude

doi: 10.13206/j.gjgS26082746

1. China State Construction Engineering Co., Ltd., Beijing 100089, China;
2. China Construction Third Engineering Bureau Co., Ltd., Wuhan 430070, China

Received Date: 2026-08-27

Abstract

Abstract

The pressurization load of pressurized steel structure buildings exhibits particular characteristics， such as high standard values， long duration， and amplitude fluctuations. Its variability and combined effects are key factors affecting structural reliability. Under the premise of ensuring structural reliability， various combinations of primary and secondary loads were compared through long-period load measurements. A design method for pressurized building structures guided by the ultimate pressurization load （bounded action） was proposed. Based on the residual pressure control method， an evaluation index and method for the air-tightness of pressurized steel structure buildings were proposed. Through a series of static air-tightness tests on individual building modules （including connecting components）， an indicator termed the equivalent pressure relief area was obtained. The results indicate that the overall air-tightness of pressurized buildings is superior to that of aircraft.
- pressurized steel structure building,
- pressurization load,
- load combination,
- structural air-tightness,
- equivalent pressure relief area

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References(17)

References

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