Research results indicate that bolt grouting support improves the effect of support for soft rock roadways and enlarges the range of bolts application.
研究表明，锚注支护利用锚杆与注浆相结合的方法，极大地提高了软岩巷道的支护效果，扩大了锚杆的使用范围。
In the second step, the prestressed cable is used as reinforced support to the roof plate, and the reinforcement by bolting and grouting with inside grouting bolt is applied to base Angle.
然后再采用预应力锚索对顶板进行加强支护，且对巷道底角采用内注浆锚杆进行锚注加固。
Results indicate that the bolt-grouting support helps to increase the strength and bearing capacity of the surrounding rock and to control its deformation effectively.
结果表明，辅助锚注支护显著提高了围岩的强度和承载能力，有效地控制了深部极软岩巷道的围岩变形。
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