The practice shows that the anchor hollowbar is effective in strengthening the roadway loose rock which should be highly popularized.
实践表明,端锚式注浆锚杆在加固巷道松动围岩方面效果很好,具有推广应用价值。
2
Combining work practice, the paper focuses on the coal mine's adopting of anchor hollowbar supporting roadway mechanism, construction process and its technique parameters.