Deep high-stress tunnel surrounding rock microwave pressure relief method

• Main Authors: TAO MING, YAO JUNHUI, ZHAO RUI, CHENG WENQING, GUO CHENXIANG, HONG ZHIXIAN, ZHAO YAN, LUO HAO, WU YINGJIE, ZHAO HUATAO
• Format: Patent
• Language: Chinese; English
• Published: 09.11.2021
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; MINING OR QUARRYING

The invention discloses a deep high-stress tunnel surrounding rock microwave pressure relief method. The method aims to deal with pressure relief under various ground pressure conditions, is safe and environment-friendly, and can reduce secondary pollution to a mine. Therefore, the microwave pressure relief method comprises the following steps: arranging drill holes in a tunneling tunnel face; stretching an energy feedback waveguide tube of microwave generation equipment into the drill holes, and plugging orifices of the drill holes through plugs made of a wave blocking material; starting the microwave generation equipment, feeding microwaves into the hole walls of the drill holes through the energy feedback waveguide tube, forming thermal stress after the minerals in the surrounding rock absorb the microwaves, and further inducing the surrounding rock around the drill holes to generate damage; and performing blasting pressure relief operation on the drill holes subjected to microwave radiation. 本发明公开了一种深部高应力