SUN Li,ZHAO Jian,LIANG De-zhi.Influence of thermal stress on temperature sensitivity of FBG-GFRP bars[J].Optoelectronics Letters,2011,7(4):269-272 Influence of thermal stress on temperature sensitivity of FBG-GFRP bars Author Name Affiliation SUN Li  School of Civil Engineering,Shenyang Jianzhu University； School of Civil and Hydraulic Engineering,Dalian University of Technology；  ZHAO Jian  School of Civil Engineering,Shenyang Jianzhu University；  LIANG De-zhi  School of Civil Engineering,Shenyang Jianzhu University；  Abstract:       The influence of thermal stress on the temperature sensitivity of fiber Bragg grating-glass fiber reinforce polymer(FBG-GFRP) bars is studied by three methods,namely,direct experimental calibration method,stress analysis(finite element analysis) method and the method of apparent temperature sensitivity coefficient.In comparison with the other two methods,fewer parameters are required and the calculation is simple in the method of apparent temperature sensitivity coefficient,while the analytical ... Hits: 3916 Download times: 237 View Full Text    Download reader