Prestressed rock anchors are structural elements used to provide additional stability to structures such as retaining walls, bridges, and slopes by transferring tensile loads to the surrounding rock or soil. These anchors consist of high-strength steel tendons that are tensioned and grouted into boreholes drilled into the rock. The prestressing process involves applying a force to the tendon, which creates compressive forces in the surrounding rock, enhancing the overall stability and load-bearing capacity of the structure. One of the key advantages of prestressed rock anchors is their ability to resist various forces, including tension, shear, and uplift, making them effective in preventing structural failure and slope movement. They are also versatile, as they can be designed for various applications, including temporary or permanent installations. Additionally, prestressed rock anchors can reduce the size and cost of other structural supports, as they allow for lighter and more efficient designs. However, careful design and installation are critical to ensure the effectiveness and durability of the anchors, as well as to mitigate potential issues such as corrosion or failure of the tendon.