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Tunnel designers and contractors can rely on Jordahl anchor channels and T-bolts for the safe support of catenary cables, power cables, signalling equipment, illumination equipment and ventilation...

Geodata specializes in monitoring, tunnel surveying, geotechnical instrumentation and information management. Geodata develops and distributes its own hardware and software and utilizes a broad...

Rascor has been internationally active for 50 years as a manufacturer of products for the waterproofing of tunnels and specialised civil engineering works. The particular speciality is grouting...

Increasingly stringent precision requirements and growing price and schedule pressure are posing ever greater challenges for miners and surveyors. In the last 15 years, an innovative programme of...

On the occasion of the World Tunnel Congress Herrenknecht presents itself as the pioneer in mechanized tunnelling. Using Herrenknecht Tunnelling Systems, modern tunnels worldwide are created safe and...

Hölscher Wasserbau GmbH is an internationally active family business from Germany. From eight locations in Germany, 450 employees offer services in the fields of dewatering, environmental...