Experimental research on the shock test of fiber bragg grating strain sensors in SHPB
YANG Ji-xiang1,2; YU Shang-jiang2; CHEN Xian2
1. School of Power and Mechanical Engineering ,Wuhan University, Wuhan 430072, China; 2. The Third Engineers Reserch Institute of the Headquarters of the General Staff, PLA. Luoyang 471023, China
Abstract：FBG strain sensors packaged by the carbon fibre reinforced polymer is developed which can be used to measure dynamical strain in the concrete under the impact of high-speed collision or the Explosion and Shock. In the split Hopkinson pressure bar the high-speed impact tests were conducted with the Fiber Bragg Grating and the FBG strain sensos, the results indicated that: the transient response rise time of the FBG sensors is less than 20μs, with good dynamical response characteristics, it can be used to measure the dynamical strain in the concrete structures under high dynamic strain test under the impact of high-speed collision.
杨吉祥;余尚江;陈显. 光纤Bragg光栅应变传感器在霍普金森压杆上的冲击试验研究[J]. , 2012, 31(1): 61-63,8.
YANG Ji-xiang;YU Shang-jiang;CHEN Xian. Experimental research on the shock test of fiber bragg grating strain sensors in SHPB. , 2012, 31(1): 61-63,8.
2012, Vol. 31 
