Process for lining tunnels

Details Process for lining tunnels Process for lining tunnels

1979-01-30

1981-01-27

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

405146, 405152, E21D 1100

Patent

active

042472210

ABSTRACT:
Plastic hose means, preferably of high pressure polyethylene admixed with a flame retarding agent and treated to render the same antistatic and characterized by a resistance to tearing of at least 15 N/mm.sup.2, an extension of at least 450 percent, a resistance to piercing of at least 1.5 J and a resistance to continued tearing of at least 17 N/mm, are disclosed, as is a process for using the hose means for filling the space between the rock face of a mine or tunnel and the supporting structure therefor.

REFERENCES:
patent: 2148783 (1939-02-01), Spaulding
patent: 3334162 (1967-08-01), Lauffer et al.

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