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Tunnel Locating Services
3 services found
by:Delta Geophysics Inc. based in, PENNSYLVANIA (USA)
Caves, voids, sinkholes, tunnels and abandoned mines can lead to dangerous situations for people and property. Subsurface voids can cover a full spectrum of depth and severity, from collapsing sidewalks to surface subsidence from old mine tunnels.Locating voids and tunnels will minimize potential liability, reduce possible work delays, and dangerous future problems. Sinkholes and void spaces have ...
by:Oxford Hydrotechnics Ltd. based inOxon, UNITED KINGDOM
We can arrest steel corrosion within concrete, with protection that can last up to and beyond ten years.When concrete structures leak, there is often a secondary hidden problem occurring beneath the surface; namely, corrosion of the reinforcement. Our new innovative resin; P5CI, combines the advanced high performance of our leak sealing polyurethane resins, with a proven vapour phase corrosion ...
Manufactured by:Emesent Pty Ltd. based inMilton, AUSTRALIA
In underground mining displacement and movement of rock from an excavation can have significant consequences, from injuring personnel to causing unscheduled delays, with the subsequent cost implications. In a mine you can rarely predict where things are going to change dramatically, therefore the ability to efficiently and effectively monitor change and convergence across the whole excavation is ...