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Abstract:

The paper presents preliminary data on load-bearing capacity of wooden beams reinforced with composite sheets subjected to static bending. The tensile part of beams was reinforced with composite sheets from S&P Clever Reinforcement AG. Glass sheet S&P G-Sheet AR 50/50, aramid sheet S&P A-Sheet 120/290 and carbon sheet S&P C-Sheet 240/400 were used. Basing on the tests results it can be concluded that the load-bearing capacity rose in the range 20-48% due to the application of one-layer reinforcement. The obtained results are promising and indicate future research possibilities especially with the use of carbon sheets.

B I B L I O G R A F I A[1] Gentile C., Svecova D., Rizkalla S., Timber beams strengthened with GFRP bars: development and applications, Journal of Composites for Construction 6(2002), pp. 11-20.
[2] Jasienko J., Połączenia klejowe i inżynierskie w naprawie, konserwacji i wzmacnianiu zabytkowych konstrukcji drewnianych, DWE, Wrocław 2003.
[3] PN-EN 408:2010, Timber structures - Structural timber and glued laminated timber - Determination of some physical and mechanical properties.
[4] S&P A-Sheet 120 Technical Data Sheet, S&P Clever Reinforcement Company AG, Seewen.
[5] S&P C-Sheet 240 Technical Data Sheet, S&P Clever Reinforcement Company AG, Seewen.
[6] S&P G-Sheet AR 50/50 Technical Data Sheet, S&P Clever Reinforcement Company AG, Seewen.

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Load-bearing capacity of wooden beams reinforced with composite sheets