后锚 meaning in English
stern anchor
Examples
- The underground tests show that the deformation and roof delamination of roadway surrounding rock can be effectively reduced by means of great increase of the bolt pretensioned stress , the steel strip plays an important role in the rock bolting system , and there exsits a critical value for pretensioned stress , up to or beyond which the rock bolting can effectively control the deformation and damage of the surrounding rock
井下试验表明,大幅度提高锚杆预应力可显著减小巷道围岩变形,有效控制顶板离层;钢带在预应力支护系统中起非常重要的作用;锚杆预应力存在临界值,达到或超过临界值后锚杆支护可有效控制围岩变形与破坏。