Hollow grouting intelligent anchor rod and installing and laying method thereof

The invention discloses a hollow grouting intelligent anchor rod and an installing and laying method thereof, and relates to the technical field of intelligent monitoring of railway tunnel and slope support engineering. and the technical problem that an anchor rod body is damaged due to the fact that an optical fiber sensor is installed in a groove formed in the surface of an existing anchor rod body, the hollow grouting intelligent anchor rod comprises the anchor rod body, a fastening nut, a base plate, a stop-grouting plug and an anchor head, the anchor head is arranged at the bottom end of the anchor rod body, the anchor rod body is sequentially sleeved with the fastening nut, the base plate and the stop-grouting plug from top to bottom, the hollow grouting intelligent anchor rod further comprises a thin-wall steel pipe, at least one optical fiber strain sensor and at least one optical fiber temperature sensor, the optical fiber strain sensors and the optical fiber temperature sensors are arranged in the o