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简述了锚杆技术的发展过程,从测量定位、下钻成孔、制作锚索及安放锚索等方面,阐述了囊袋式扩体锚杆支护施工技术的操作要点,指出该技术能与多种施工辅助工法相结合,从而提高锚固体系的承载和变形性能。
The development of the bolt technology is briefly described. The key points of the operation of the construction technology of the pouch-style expanded bolt support are described in the aspects of measuring and positioning, drilling into holes, making anchor cables and placing anchor cables. Combined with a variety of construction aids to improve the bearing system and deformation performance.