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Influence of glueline parameters on the mechanical behaviour of CFRP reinforced wood - numerical analysis

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Języki publikacji
EN
Abstrakty
EN
Influence of glueline parameters on the mechanical behaviour of CFRP reinforced wood – numerical analysis. This work presents numerical investigation of wood strengthening technique in the aspect of glueline parameters. Described reinforcement method consists in application of CFRP tape (Carbon Fibre Reinforced Polymer) of a certain length in aim to increase load capacity and stiffness of reinforced wooden element. CFRP tape is bonded to the tensile area of bent beam with a glue, creating a system composed of wooden beam, glueline and reinforcement. However, depending on the parameters of the bond (rigid, elastic), differences in mechanical behaviour of the composite can be observed. Usage of the glue bond characterized by elastic properties leads to lower stress concentration within the composite, therefore the effectiveness of reinforcement could be increased.
Twórcy
autor
  • Szkoła Główna Gospodarstwa Wiejskiego w Warszawie; Wydział Technologii Drewna
autor
  • Institute of Polymer Mechanics, University of Latvia
Bibliografia
  • 1. BANO V. 2009: Numerical analysis of wood strength loss due to the presence of knots. University Santiago de Compostela, PhD thesis.
  • 2. BODIG J., JAYNE B.A. 1982: Mechanics of Wood and Wood Composites. Van Nostrand Reinhold, New York.
  • 3. BRUNNER M., SCHNUERIGER M. 2005: Timber beams strengthened by attaching prestressed carbon FRP laminates with a gradiented anchoring device. Proceedings of the international symposium on bond behaviour of FRP in structures (BBFS 2005), 7-9 December 2005, Hong Kong, China.
  • 4. BURAWSKA I., TOMUSIAK A., BEER P. 2011: Influence of the length of CFRP tape reinforcement adhered to the bottom part of the bent element on the distribution of normal stresses and on the elastic curve. Annals of Warsaw University of Life Sciences-SGGW, Forestry and Wood Technology 73; 186-191.
  • 5. BURAWSKA I., TOMUSIAK A., ZBIEC M., BEER P. 2012: Reducing the impact of knots on the static work of bent wooden beams by local reinforcement with CFRP strip. 8th International Conference on Structural Analysis of Historical Constructions, SAHC 2012; 1998-2003.
  • 6. DE JESUS A.M., PINTO J.M.T., MORAIS J.J.L. 2012: Analysis of solid wood beams strengthened with CFRP laminates of distinct lengths. Construction and Building Materials 35; 817-828.
  • 7. FIORELLI J., DIAS A.A. 2003: Analysis of the Strength and Stiffness of Timber Beams Reinforced with Carbon Fiber and Glass Fiber. Materials Research 6 (2); 193-202.
  • 8. KIM Y.J., HARRIES K.A. 2010: Modeling of timber beams strengthened with various CFRP composites. Engineering Structures 32; 3225-3234.
  • 9. ORŁOŚ Z. 1977: Experimental Analysis of Stresses and Strains. PWN, Warsaw (in Polish).
  • 10. PLEVRIS N., TRIANTAFILLOU T. 1992: FRP-reinforced wood as structural material. Journal of materials in civil engineering 4 (3); 300-317.
  • 11. ROMANI M., BLAß H.J.: 2001: Design model for FRP reinforced glulam beams. International council for research and innovation in building and construction, working commission W18 – timber structures, Meeting Thirty-Four, Venice, Italy.
  • 12. SENA-CRUZ J., JORGE M., BRANCO J.M., CUNHA V.M.C.F. 2013: Bond between glulam and NSM CFRP laminates. Construction and Building Materials 40; 260-269.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-b23f8eb7-914b-4215-8c71-47b5a0b41fd3
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