Device and method for testing tangential bonding strength of thin spray lining

The invention provides a device and a method for testing tangential bonding strength of a thin spray lining based on a universal electronic experiment machine. The device comprises a fixed seat body,a sample fixing box, a tensile connecting device, a tensile frame body, a front pressing plate, a testing machine upper seat, an upper pull head and a testing machine lower seat, a tensile sample is prefabricated through a sample preparation mold, the upper pull head and a tensile frame transmit axial tension, and a ball head pull rod adjusts the tensile stress direction; meanwhile, tangential tensile force is provided by means of a conventional universal electronic testing machine to test the tangential bonding force between a thin-spraying lining material and a rock matrix at different gelling times, so that the tangential bonding performance of the thin-spraying material is represented. The device and the method fill the blank in the field of testing devices and testing methods for tangential bonding strength o