CONSTRUCTION METHOD AND SYSTEM FOR ROOF SEALING AND FOUNDATION STRENGTHENING OF CROSSING PROJECT IN HIGH-DENSITY URBAN AREA

METHODS FOR REAL-TIME DEVIATION MONITORING OF MINIATURE PIPE ROOFING JACKING PIPE OF SPIRAL SOIL-DISCHARGING

METHOD FOR RECOVERING RESIDUAL COAL PILLARS BY FREEZING WATER ACCUMULATED IN ROOM-AND-PILLAR MINING AREA

STATIC CRUSHING DIRECTIONAL ANCHOR WITHDRAWAL METHOD AT END OF LARGE-MINING-HEIGHT WORKING FACE

Mechanical tunneling apparatus and process for tunnel in quicksand stratum

Three-level prevention and control method for rock burst roadway

METHOD AND SYSTEM OF UNDERGROUND DEPLOYMENT OF MATERIALS AND EQUIPMENT

TUNNELLING SHIELD

METHOD AND SYSTEM OF CONSTRUCTING AN UNDERGROUND TUNNEL

TUNNEL SURROUNDING ROCK SUPPORTING METHOD AND SYSTEM BASED ON TUNNEL FIELD DECONSTRUCTION AND RECONSTRUCTION THEORY

Method and system of constructing an underground tunnel

Mining machine applicable to fluidized mining of ore bodies and mining method

Foaming additive with low ecotoxicological impact for soil conditioning in the presence of mechanised excavation

Method and system for ensuring the quality of a multi-component mixture for rock reinforcement

ADMIXTURE FOR PREVENTING SWELLING OF ANHYDRITE CONTAINING ROCK MATERIAL

Injection tool and a method for injection

Grouting apparatus

Device for back soil disturbance in shield tunnel

METHOD FOR CONSTRUCTING AN UNDERGROUND TUNNEL OR HOLE TO CREATE AN IMPERVIOUS PLUG FOR THE STORAGE OF HAZARDOUS, PARTICULARLY RADIOACTIVE, WASTE

All-conditions tunnel boring machine

METHOD OF ACHIEVING HYDRAULIC CONTROL FOR IN-SITU MINING THROUGH TEMPERATURE-CONTROLLED MOBILITY RATIO ALTERATIONS

Method of protecting a surface of rock or soil

Method and apparatus of controlling drilling for rock burst prevention in coal mine roadway