Safety risk early warning and monitoring system and method based on power grid engineering project

The invention relates to the technical field of power grid engineering safety early warning, and discloses a safety risk early warning monitoring system based on a power grid engineering project, an acquisition module periodically acquires a retaining wall surface image through a mobile acquisition unit, and acquires internal stress at the back of a retaining wall in real time through a fixed acquisition unit; the risk identification module determines the cracking degree A of the retaining wall surface according to the retaining wall surface image, determines the wall surface cracking grade j and the probability Kj of collapse of the retaining wall caused by the corresponding grade according to the cracking degree A of the retaining wall surface, and determines the amount of repair materials in a cracking area according to the retaining wall surface image; the risk identification module determines the probability KF of collapse of the retaining wall caused by the internal stress at the wall back through the i