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 YANG
1
(
),Changqun YANG
2
,Bo ZHAO
3,
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