Bag type anti-floating anchor rod applied to different geologies and construction method

The invention relates to the technical field of bag type anti-floating anchor rods, in particular to a bag type anti-floating anchor rod applied to different geologies and a construction method.The bag type anti-floating anchor rod comprises a high-pressure rotary jet grouting expansion body section and a non-expansion body section located above the high-pressure rotary jet grouting expansion body section, and a bag body is arranged in the high-pressure rotary jet grouting expansion body section; at least two adjusting devices are arranged in the bag body, a finish rolling twisted steel bar is arranged in the center of the bag body, the two adjusting devices are arranged in the length direction of the finish rolling twisted steel bar in a spaced mode, the adjusting devices are connected with the inner wall of the bag body, and the radial size of the bag body is adjusted through the adjusting devices. The invention further relates to a construction method of the bag type anti-floating anchor rod applied to dif