EXPERIMENTAL RESEARCH ON BEHAVIOR OF CFRP-REINFORCED TIMBER COLUMNS

Zhu Lei; Xu Qingfeng

doi:10.13204/j.gyjz200812030

Volume 38 Issue 12

Dec. 2014

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Abstract

References

Article Navigation > INDUSTRIAL CONSTRUCTION > 2008 > 38(12): 113-116

Andres Quiros Zhang Shuai Cheng Xiaohui, . STUDY OF THE MICP INJECTION IN UNSATURATED SANDY SOILS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(7): 28-30. doi: 10.13204/j.gyjz201507006

Citation:

Zhu Lei, Xu Qingfeng. EXPERIMENTAL RESEARCH ON BEHAVIOR OF CFRP-REINFORCED TIMBER COLUMNS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(12): 113-116. doi: 10.13204/j.gyjz200812030

Andres Quiros Zhang Shuai Cheng Xiaohui, . STUDY OF THE MICP INJECTION IN UNSATURATED SANDY SOILS[J]. INDUSTRIAL CONSTRUCTION, 2015, 45(7): 28-30. doi: 10.13204/j.gyjz201507006

Citation:

Zhu Lei, Xu Qingfeng. EXPERIMENTAL RESEARCH ON BEHAVIOR OF CFRP-REINFORCED TIMBER COLUMNS[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(12): 113-116. doi: 10.13204/j.gyjz200812030

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EXPERIMENTAL RESEARCH ON BEHAVIOR OF CFRP-REINFORCED TIMBER COLUMNS

doi: 10.13204/j.gyjz200812030

Zhu Lei¹,
Xu Qingfeng²

1.
1. Shanghai Research Institute of Building Sciences Shanghai 200032;
2.
2. Shanghai Key Laboratory of New Technology Research on Engineering Structure Shanghai 200032

Received Date: 2007-11-28
Publish Date: 2008-12-20

Abstract

Abstract

Ten timber columns strengthened with CFRP strips and AFRP bars were tested and effective factors such as shape and layer of CFRP strips,layout of AFRP rods were studied. The ultimate load-bearing capacities of timber columns with CFRP strips are increased by about 7.6%～26.1% over the control specimen,and the ductility performance also has a significant betterment. The ultimate load-bearing capacities of timber columns with AFRP rods have 17.7%～41.5% increases over the control specimen,and after wrapped with CFRP strips,the ductility has an obvious improvement. Based on the experimental research,the strength mode of timber columns strengthened with CFRP strip was proposed,and the effective confined coefficient k1 was linearly regressed. Strengthened timber column with CFRP is a valid method,and it can be used for strengthening of timber structures.
- CFRP,
- timber column,
- strengthen,
- performance,
- load-bearing capacity,
- ductility

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References(11)

References

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腾锦光,陈建飞,史密斯,等.FRP加固混凝土结构.李荣,滕锦光,顾磊,译.北京:中国建筑工业出版社,2005

[3] Johns K,Lacroix S.Composite Reinforcement of Timber in Bending.Canadian Journal of Civil Engineering,2000(27):899-906

[4] Plevris N,Triantafillou T.Creep Behavior of FRP-Beinforced Wood Members.Journal of Structural Engineering,1995,121(2):174-186

[5] Borri A,Corradi M,Grazini A.A Method for Flexural Reinforcement of Old Wood Beams with CFRP Materials.Composites:Part B,2005(36):143-153

[6] Micelli F,Scialpi V,Tegola A.,Flexural Reinforcement of Glulam Timber Beams and Joints with Carbon Fiber-Reinforced Polymer Rods.JoufIlal of Composites for Construction,2005,4(9):337-347

[7] 张大照.CFRP布加固修复木柱梁性能研究:[学位论文].上海:同济大学,2003

[8] 马建勋,胡平,蒋湘闺,等.碳纤维布加固木柱轴心受压性能试验研究.工业建筑,2005,35(8):40-44

[9] Taheri F,Nagaraj M,ChcrasbJ N.FRP-Reinforced Glulaminated Columns.FRP International,2005,2(3):10-12

[10] 郑建岚,钱春,郑作樵.钢纤维钢筋高强混凝土柱延性的试验研究.土木工程学报,1999,32(1):56-59

[11] 许清风,朱雷,贡春成.CFRP加固短木柱的试验研究.施工技术,2007,36(5):13-15

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