The ground anchor adopts two cement columns with a length of 9 * 9.5 * 80cm or 7 * 7 * 80cm. The cement column ground anchor: excavate a deep pit with a length of 1 meter, a width of about 30cm, and a depth of about 1 meter. Thread the cement column into the threaded steel ring and place it in the pit. Fill the soil and compact it, and water it to settle and improve the anchor's pull-out resistance. Advantages: Convenient operation, affordable price, stronger pull-out resistance.