In guided wave-based structural health monitoring technique,the influence of structural characteristics such as variable cross-section,large thickness and d
As one of the nondestructive testing and evaluation technologies,acoustic emission testing is an important method.During the testing process,no prior knowle
The bolt joints on the cage guides are exposed to the possibility of damage,and thus,required intensive care.Periodic manned surveillance was conducted at c
Large oil and gas storage tanks carry flammable oil,natural gas and refined oil medium,which can easily cause a fire,explosion.The deformation of the tank b