基于超声导波的螺栓轴向应力测量方法
杨宇1(),杨昌群2,赵勃3,4()
Measurement method of bolt axial stress based on ultrasonic guided waves
Yu YANG1(),Changqun YANG2,Bo ZHAO3,4()

图19. 18种型号螺栓轴向应力的相对测量误差

Fig.19. Relative measurement error of axial stress of 18 types of bolts