Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions
Carbon fiber reinforced plastic (CFRP) was used to adhesively reinforce Chinese fir (Cunninghamia lanceolata) wood specimens. This study examined the flexural static and creep performances of CFPR-reinforced wood composites that had been subjected to changes in moisture and stress levels. The major...
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North Carolina State University
2014-02-01
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doaj-b541eea595da473b9a9ed089572797c22020-11-24T22:59:47ZengNorth Carolina State UniversityBioResources1930-21261930-21262014-02-01921845185710.15376/biores.9.2.1845-1857Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate ConditionsXiaojun Yang0Meng Gong1Ying Hei Chui2College of Material Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China Wood Science & Technology Center, University of New Brunswick, Fredericton, E3C 2G6, Canada Wood Science & Technology Center, University of New Brunswick, Fredericton, E3C 2G6, CanadaCarbon fiber reinforced plastic (CFRP) was used to adhesively reinforce Chinese fir (Cunninghamia lanceolata) wood specimens. This study examined the flexural static and creep performances of CFPR-reinforced wood composites that had been subjected to changes in moisture and stress levels. The major findings were as follows: 1) the cyclic creep was slightly lower for those specimens subjected to the cyclic stress condition than for those subjected to a constant stress level due to the deflection recovery under cyclic loading; 2) the environmental conditions of high temperature and high humidity assisted in accelerating the creep by increasing the moisture content of the composite and reducing the compressive strength of wood, causing the composite specimen to fail via damage in the wood layer from compressive crushing; 3) the stress level governed the creep of the CFRP-reinforced wood composite; and 4) the Burger model was able to accurately simulate the short-term creep performance of the CFPR-reinforced wood composite. It was suggested the maximum bending stress level should be limited to 40% for the CFRP-reinforced wood composites fabricated in this study.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_Yang_1845_Creep_Behavior_Wood_CompositesShort-term cyclic creepStress levelCarbon fiber-reinforced plastic (CFRP)Burger modelChinese firTemperatureRelative humidity |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Xiaojun Yang Meng Gong Ying Hei Chui |
spellingShingle |
Xiaojun Yang Meng Gong Ying Hei Chui Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions BioResources Short-term cyclic creep Stress level Carbon fiber-reinforced plastic (CFRP) Burger model Chinese fir Temperature Relative humidity |
author_facet |
Xiaojun Yang Meng Gong Ying Hei Chui |
author_sort |
Xiaojun Yang |
title |
Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions |
title_short |
Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions |
title_full |
Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions |
title_fullStr |
Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions |
title_full_unstemmed |
Short-Term Creep Behavior of CFRP-Reinforced Wood Composites Subjected to Cyclic Loading at Different Climate Conditions |
title_sort |
short-term creep behavior of cfrp-reinforced wood composites subjected to cyclic loading at different climate conditions |
publisher |
North Carolina State University |
series |
BioResources |
issn |
1930-2126 1930-2126 |
publishDate |
2014-02-01 |
description |
Carbon fiber reinforced plastic (CFRP) was used to adhesively reinforce Chinese fir (Cunninghamia lanceolata) wood specimens. This study examined the flexural static and creep performances of CFPR-reinforced wood composites that had been subjected to changes in moisture and stress levels. The major findings were as follows: 1) the cyclic creep was slightly lower for those specimens subjected to the cyclic stress condition than for those subjected to a constant stress level due to the deflection recovery under cyclic loading; 2) the environmental conditions of high temperature and high humidity assisted in accelerating the creep by increasing the moisture content of the composite and reducing the compressive strength of wood, causing the composite specimen to fail via damage in the wood layer from compressive crushing; 3) the stress level governed the creep of the CFRP-reinforced wood composite; and 4) the Burger model was able to accurately simulate the short-term creep performance of the CFPR-reinforced wood composite. It was suggested the maximum bending stress level should be limited to 40% for the CFRP-reinforced wood composites fabricated in this study. |
topic |
Short-term cyclic creep Stress level Carbon fiber-reinforced plastic (CFRP) Burger model Chinese fir Temperature Relative humidity |
url |
http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_09_2_Yang_1845_Creep_Behavior_Wood_Composites |
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