Experimental assessment of CFRP reinforced wooden beams by 4-point bending tests and photoelastic coating technique

2009 ◽  
Vol 43 (1-2) ◽  
pp. 141-150 ◽  
Author(s):  
Ludomir J. Jankowski ◽  
Jerzy Jasieńko ◽  
Tomasz Piotr Nowak
2015 ◽  
Vol 240 ◽  
pp. 155-160
Author(s):  
Ludomir J. Jankowski ◽  
Tomasz Nowak

The paper presents the results of investigation on seven glued laminated timber (GL24h class) bending beams. Bending strength and modulus of elasticity were determined. The beams were tested for four-point bending by loading them at a constant speed deflection. The strain gauge method and photoelastic coating technique were applied for strain distributions determination in selected cross-sections of the beams. Good agreement of the measurement results was obtained with both techniques. Application of the photoelastic coating technique enabled more detailed analysis of the beams failure mode, including timber defects influence on the strain distributions.


2000 ◽  
Vol 47 (7) ◽  
pp. 926-933 ◽  
Author(s):  
M.J. Grecula ◽  
R.P. Morris ◽  
J.C. Laughlin ◽  
W.L. Buford ◽  
R.M. Patrerson

2001 ◽  
Vol 48 (8) ◽  
pp. 944-946 ◽  
Author(s):  
L. Cristofolini ◽  
M. Viceconti ◽  
M.J. Grecula ◽  
R.P. Morris ◽  
J.C. Laughlin ◽  
...  

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