Method for removal of broken ground

Details Method for removal of broken ground Method for removal of broken ground

1987-12-24

1990-02-13

Reese, Randolph A.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Boring

405267, 405137, E02D 2900, E21D 912

Patent

active

049001914

ABSTRACT:
In order to avoid the time-consuming transport by road or rail vehicles, in many cases, overburden is pumped to the outside of a tunnel under construction, where it is dumped onto dump-hills. In order to avoid such dump-hills as well as extended transport distances, according to the invention it is disclosed that the overburden is transported, dumped or stored, via channels drilled into the wall of the tunnel, inside of the mountain surrounding the tunnel, and also to transport the overburden, in case of a tunnel to be constructed under a waterway, by means of a pipe into the waterway or to the surface of the waterway.

REFERENCES:
patent: 2233872 (1941-03-01), Proctor
patent: 3334945 (1967-08-01), Bartlett
patent: 3386251 (1968-06-01), Casagrande et al.
patent: 3616855 (1971-11-01), Colgate
patent: 4101333 (1978-07-01), Wayment
patent: 4370077 (1983-01-01), Colgate
patent: 4666346 (1987-05-01), MacLeod

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