EXPERIMERTAL RESEARCH ON TEMPERATURE FIELD EFFECT OF STANDING SEAM ALUMINUM ALLOY ROOF SYSTEMS

WANG Mingming; XIN Zhiyong; OU Tong; WANG Dayang; ZHANG Yongshan; ZHU Yong

doi:10.13204/j.gyjzG20091602

Volume 51 Issue 8

Nov. 2021

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WANG Mingming, XIN Zhiyong, OU Tong, WANG Dayang, ZHANG Yongshan, ZHU Yong. EXPERIMERTAL RESEARCH ON TEMPERATURE FIELD EFFECT OF STANDING SEAM ALUMINUM ALLOY ROOF SYSTEMS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 126-136. doi: 10.13204/j.gyjzG20091602

Citation:

WANG Mingming, XIN Zhiyong, OU Tong, WANG Dayang, ZHANG Yongshan, ZHU Yong. EXPERIMERTAL RESEARCH ON TEMPERATURE FIELD EFFECT OF STANDING SEAM ALUMINUM ALLOY ROOF SYSTEMS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 126-136. doi: 10.13204/j.gyjzG20091602

Citation:

WANG Mingming, XIN Zhiyong, OU Tong, WANG Dayang, ZHANG Yongshan, ZHU Yong. EXPERIMERTAL RESEARCH ON TEMPERATURE FIELD EFFECT OF STANDING SEAM ALUMINUM ALLOY ROOF SYSTEMS[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(8): 126-136. doi: 10.13204/j.gyjzG20091602

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EXPERIMERTAL RESEARCH ON TEMPERATURE FIELD EFFECT OF STANDING SEAM ALUMINUM ALLOY ROOF SYSTEMS

doi: 10.13204/j.gyjzG20091602

1. School of Civil Engineering, Guangzhou University, Guangzhou 510006, China;
2. Zhuhai Envete Engineering Testing Co., Ltd., Zhuhai 519120, China;
3. Guangdong Metal Enclosure Structure Engineering Technology Research Center, Guangzhou 510006, China

Received Date: 2020-09-16
Available Online: 2021-11-10
Publish Date: 2021-11-10

Abstract

Abstract

Metal roof systems have been widely used in various important landmark buildings, and are often affected by periodic solar radiation, temperature changes and other environmental influences. The deformation and stress distribution of the standing seaming aluminum alloy roof system under the action of the temperature field were studied by experiments. The stress and deformation characteristics of roof slab, support and slab rib under static temperature were analyzed, and the mechanical properties, deformation and wear characteristics of roof slab were evaluated by cyclic temperature loading test. The results showed that with the increase of temperature, the stresses of slab rib, support, slab bottom and surface gradually increased, and the stress concentration was obvious. When the temperature increased by 1 ℃, the maximum temperature stress of roof slab increased by about 1.2 MPa. The slab rib stress was the largest, followed by the slab surface, the slab bottom stress was the smallest, and the stress of each part was in the elastic stage. The thermal expansion displacement of the roof slab was significant, and the longitudinal horizontal displacement of the roof slab was obviously larger than the vertical displacement of slab bottom, and the maximum longitudinal horizontal displacement was about 20.4 mm. Under cyclic loading, the wear characteristics of roof slab were greatly affected by the number of cycles, and the maximum wear thickness was about 18.20 μm.
- standing seam roof system,
- temperature field effect,
- experimental study,
- mechanical properties,
- deformation properties,
- wear assessment

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References(24)

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