针对复合材料补片加固损伤钢板的受力特点,建立三维弹性力学模型,对复合材料补片双面加固轴向受拉平板进行了应力和变形分析.研究了粘贴界面的剪应力分布规律,钢板和补片内轴向拉力的分布规律,分析了加固后平板相对加固前的相对刚度.研究了含椭圆孔钢板经复合材料补片加固后相对加固前以及相对完好钢板的刚度.结果表明,复合材料胶接修补含孔钢板的刚度随着补片厚度的增加而增加,且增强的趋势逐渐趋于缓和.当补片层数大于5层后,单纯依靠增加补片的厚度并不能有效提高修复效果.解析法与有限元法的计算结果及试验结果吻合得比较好.
参考文献
| [1] | Baker A A.A summary of work on applications of advanced fibre composites at the aeronautical research laboratories[J].Australia Composites,1978,9(1):11-16. |
| [2] | Michael V S,Jerey A P.FRP materials for the rehabilitation of tubular steel structures,for underwater applications[J].Composite Structures,2007,80(3):440-450. |
| [3] | BachirBouiadjra B,Ouinas D,Serier B,et al.Disbond effects on bonded boron/epoxy composite repair to aluminium plates[J].Computational Materials Science,2008,42(2):220-227. |
| [4] | Hosseini-Toudeshky H,Mohammadi B,Bakhshandeh S.Crack trajectory analysis of single-side repaired thin panels in mixed-mode conditions using glass/epoxy patches[J]Computers and Structures,2008,86(9):997-1005 |
| [5] | Miller T C,Chajes M J,Mertz D R,Hastings J N.Strengthening of a steel bridge girder using CFRP plates[J].ASCE Journal of Bridge Engineering,2001,6(6):514-522. |
| [6] | Tavakkolizadeh M,Saadatmanesh H.Strengthening of steelconcrete composite girders using carbon fiber reinforced polymer sheets[J].ASCE Journal of Structural Engineering,2003,129(1):30-40. |
| [7] | Tavakkolizadeh M,Saadatmanes H.Repair of damaged steelconcrete composite girders using carbon fiber-reinforced polymer sheets[J].ASCE Journal of Composites for Construction,2003,7(4):311-322. |
| [8] | Wright P N H,Wu Y,Gibson A G.Fibre reinforced composite-steel connections for transverse ship bulkheads[J].Plastics Rubber and Composites,2000,29(10):549-557. |
| [9] | Bagdonavich A E,Kizhakkethara 1.Three dimensional finite element analysis of double-lap composite adhesive bonded joint using sub-modeling approach[J].Composites Part B:Engineering,1999,30(6):537-551. |
| [10] | Loss K R,Kedward K T.Modeling and analysis of peel and shear stresses in adhesively bonded joints[C]//25~th Structures,Structural Dynamics and Materials Conference.Palm Springs,CA:United States,1984:222-231. |
| [11] | Sun C T,Klug J,Arendt C.Analysis of cracked aluminum plates repaired with bonded composite patches[J].AIAA Journal,1996,34(2):369-374. |
| [12] | Goland M,Reissner E.The stresses in cemented jioints[J].Journal of Applied Mechanics,1944,11:17-27. |
| [13] | Oplinger D W.Effects of adherend deflections in single-lap joints[J].International Journal of Solids and Structures,1994,31(18):2565-2587. |
| [14] | Tsai M Y,Morton J.An evaluation of analytical and numerical solutions to the single-lap joint[J].International Journal of Solids and Structures,1994,31(18):2537-2563. |
| [15] | Barut A,Hanauska J,Madenci E,Ambur D R.Analysis method for bonded patch repair of a skin with a cutout[J].Composite Structures,2002,55(3):277-294. |
| [16] | 徐芝纶.弹性力学[M].北京:高等教育出版社,1979. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%