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Creep Behavior of Aluminum Wood Composite Columns and Its Prediction Model Construction
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Hong-yi LI, Guo-lin XU*, Shun-chao CHEN, Yu-jie LIN
Science Technology and Engineering | 2025, 25(3) : 1174 - 1179
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Science Technology and Engineering | 2025, 25(3): 1174-1179
• Papers·Architectural Science •
Creep Behavior of Aluminum Wood Composite Columns and Its Prediction Model Construction
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Hong-yi LI, Guo-lin XU*, Shun-chao CHEN, Yu-jie LIN
Affiliations
  • School of Civil Engineering, Southwest Forestry University, Kunming 650224, China
Published: 2025-01-28 doi: 10.12404/j.issn.1671-1815.2402678
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The creep of wood under the action of long-term load will increase the deformation of wooden beams or wooden columns, and bring hidden safety risks to the building structure. In order to improve the creep performance of wood components, an aluminum wood composite columns (AWC) was designed to make AWC with 0,2%, 3%, 3% and 4% respectively. The creep test of 0.25 stress ratio of the lower column lasted 30 days. The creep strain-time curve and creep coefficient-time curve were obtained and the AWC creep pattern was analyzed. Burgers model was used to fit the creep strain-time curve to explore the influence of aluminum alloy content on AWC creep, and analyze the causes of AWC int creep inhibition from AWC material characteristics and load transfer. The results show that, compared with AWC 1 with aluminum alloy content of 0, the creep deformation of AWC 2 ~ AWC 4 decreases to different degrees, that is, aluminum alloy can effectively enhance the creep deformation ability of wood; The four AWC creep strain-time curve correlation coefficient based on burgers model are greater than 0.95, and the creep prediction model constructed by this model can predict the AWC creep.

aluminum wood composite columns(AWC)  /  creep property  /  Burgers model  /  Creep coefficient  /  prediction model of creep
Hong-yi LI, Guo-lin XU, Shun-chao CHEN, Yu-jie LIN. Creep Behavior of Aluminum Wood Composite Columns and Its Prediction Model Construction[J]. Science Technology and Engineering, 2025 , 25 (3) : 1174 -1179 . DOI: 10.12404/j.issn.1671-1815.2402678
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Year 2025 volume 25 Issue 3
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doi: 10.12404/j.issn.1671-1815.2402678
  • Receive Date：2024-04-13
  • Online Date：2025-07-29
  • Published：2025-01-28
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  • Received：2024-04-13
  • Revised：2024-07-08
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    School of Civil Engineering, Southwest Forestry University, Kunming 650224, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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