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探讨了高应力软岩条件下大断面硐室的破坏机理,提出了解决高应力软岩条件下大断面硐室支护与修复问题的技术途径,通过对某矿区中央变电所和中央泵房工业性试验证明,此种支护形式是经济、有效、实用的深埋硐室支护方式。
The failure mechanism of large cross-section chamber under high stress and soft rock conditions is discussed. The technical approach to solve the problem of large section chamber supporting and repairing under high stress and soft rock conditions is put forward. By analyzing the failure of the central substation and central pump house Industrial tests show that this form of support is an economical, effective and practical method of deep chamber support.