注浆、锚索加固维修井下大硐室研究与应用

Research and application of grouting and anchoring in reinforcement and repair of underground large chamber

在对井下大硐室维修支护研究中,利用注浆、锚索改善围岩性状,加强弱而支护,提高系统支护强度,增强支护效果。采用注浆、锚索为核心的联合支护,成功地维护了井下大硐室。