The special technology of canopy tube pipes are used in order to drive tunnels economically in poor ground conditions. Perforated pipes, which are subsequently grout injected, are drilled into the ...
For all Your HDD needs! HDD Rotary sales in Grangerland, Tx. is your 1 stop shopping connection for all types of Drilling and Reaming. www.hddrotary.com
AT ALWAG TECHMO AT stands for innovative system solutions in drilling and mining technologies. The quicker and better solution... www.alwag.com
ING. ALEXANDER FRITZ Boring equipment for tunnelling and special underground work. Bore rods, crowns, roof bolts, collar pipes, packers ... zu unserer Homepage
BETEK - Tool systems Complete tool systems for tunnelling machines and foundation drilling works. Special tool systems for road header more...
Ceresola TLS Tunnel Lining Systems - Your center of excellence for tunnel lining systems. Steel support systems, formworks... www.ceresola.com