Analysis of Non-Uniform Temperature Field of a 100-Meter-High Crossed Steel Arch Structure Under Solar Radiation

YAN Xiangyu; CHEN Cheng; YU Yue; CHEN Zhihua; ZHANG Xizhi

doi:10.3724/j.gyjzG25090601

Volume 56 Issue 1

Jan. 2026

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YAN Xiangyu, CHEN Cheng, YU Yue, CHEN Zhihua, ZHANG Xizhi. Analysis of Non-Uniform Temperature Field of a 100-Meter-High Crossed Steel Arch Structure Under Solar Radiation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(1): 61-69. doi: 10.3724/j.gyjzG25090601

Citation:

YAN Xiangyu, CHEN Cheng, YU Yue, CHEN Zhihua, ZHANG Xizhi. Analysis of Non-Uniform Temperature Field of a 100-Meter-High Crossed Steel Arch Structure Under Solar Radiation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(1): 61-69. doi: 10.3724/j.gyjzG25090601

Citation:

YAN Xiangyu, CHEN Cheng, YU Yue, CHEN Zhihua, ZHANG Xizhi. Analysis of Non-Uniform Temperature Field of a 100-Meter-High Crossed Steel Arch Structure Under Solar Radiation[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(1): 61-69. doi: 10.3724/j.gyjzG25090601

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Analysis of Non-Uniform Temperature Field of a 100-Meter-High Crossed Steel Arch Structure Under Solar Radiation

doi: 10.3724/j.gyjzG25090601

1. School of Ocean Energy, Tianjin University of Technology, Tianjin 300384, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300372, China;
3. Tianjin University Research Institute of Architectural Design and Urban Planning Co., Ltd., Tianjin 300073, China

Received Date: 2025-09-06
Available Online: 2026-02-26
Publish Date: 2026-01-22

Abstract

Abstract

Under long-term solar radiation， the temperature field of building structures exhibits significant spatiotemporal non-uniform characteristics due to changes in the solar radiation angle， building shading， and wind speed. To study the temperature field distribution of a 100-meter-high crossed steel arch structure large-rise-span under solar radiation， a solid model and fluid domain of the crossed steel arch structure large-rise-span were established in the ANSYS Fluent Meshing module. The transient temperature field of the structure was simulated and analyzed， and the effects of factors such as season， solar radiation intensity， wind speed， and shading from buildings on both sides on the transient non-uniform temperature field of the structure were parametrically analyzed. The results show： the highest temperature on the steel arch surface occurs at 14：00， with a variation trend approximately following a sine function， and the temperature of the components varies significantly along the height direction； under lower radiation intensity， the maximum surface temperature decreases by 21.4% compared with high radiation intensity； increasing wind speed lowers the surface temperature， with the cooling effect in winter being significantly greater than in summer； building shadows do not change the temperature distribution pattern， but they can reduce the temperature difference between the structure surface and the environment by approximately 11.99% to 22.13%. The structure's temperature field exhibits significant temporal variability and spatial non-uniformity.
- cross steel arch,
- large rise-span ratio,
- temperature effect,
- solar radiation,
- non-uniform temperature field

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References(19)

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