Constant-speed dynamic direct-shear test system and test method for rock mass structural plane

A constant-speed dynamic direct-shear test system for a rock mass structural plane, comprising a bearing frame, a loading frame, a horizontal loading device, a normal loading device, an oil supply device and a digital controller;

• wherein the loading frame is fixedly connected with a top surface of one end of the bearing frame, a shear box is arranged in the loading frame, and a rock sample is arranged on the shear box;
• the digital controller is fixedly arranged on a top surface of the bearing frame;
• the horizontal loading device is arranged on the top surface of the bearing frame, an output end of the horizontal loading device faces a side surface of the rock sample, and the horizontal loading device is electrically connected with the digital controller;
• the normal loading device is arranged on the loading frame, the normal loading device comprises a one-way hydraulic jack, the one-way hydraulic jack is fixedly installed on a top wall of the loading frame, an output end of the one-way hydraulic jack is fixedly connected with a normal impact head, a square tray is fixedly connected with the normal impact head, a roller is installed on the square tray, the roller is detachably connected with a top surface of the rock sample, a normal sensor is installed on the normal impact head, and the one-way hydraulic jack is in transmission connection with a manual hydraulic device, a hydraulic meter is installed on the manual hydraulic device;
• and
• the oil supply device is located at one side of the bearing frame, the oil supply device is in communication with the horizontal loading device and is electrically connected with the digital controller.