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https://antraquip.net/tunnel-support-system
Tunnel Support System. Arch Canopy System Antraquip’s Arch Canopy (Barrel Vault) System is designed for pipe roofing, forepoling, anchoring and drainage. For underground infrastructure building in typical urban areas, poor ground conditions and for all underground construction in weak and disturbed soils modern tunneling engineers have ...
https://www.tensarcorp.com/Applications/Mining/mining-roof-and-wall-support
Underground Applications: Mining Roof and Wall Support. Tensar ® Mining Systems address underground mine and tunnel applications including: . Rib Control – White and reflective, Tensar ® TX and BX Mining Grid products provide effective rib control for soft minerals, while Tensar ® UX3340 Roof Mats and Minex™ Rock Mesh address the most demanding hard rock and tunneling applications.
https://www.therobbinscompany.com/about/advancements/mcnally/
The McNally Support System effectively contains fractured rock and keeps it where you want it—in the tunnel crown and within the tunnel profile. Since the system uses no roof shield fingers, crew members can fully tighten rock bolts and secure slats to the tunnel immediately following excavation, when ground support is most critical.
https://egsp.lyellcollection.org/content/10/1/279
Jan 01, 1995 · The approved scheme involved a combination of conventional minipiling and ground anchoring techniques, subvertical and inclined jet mix columns for block ground stabilization and subhorizontal jet mix columns for tunnel roof support.Author: C. T. Kettle, M. Gandais
https://www.researchgate.net/publication/228872102_Contribution_to_the_design_of_tunnels_with_pipe_roof_support
The working area of tunnels is often supported with a pipe roof support system in weak ground. The experience gained from former projects led to the conclusion that this support system decreases ...
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