Quarry operation

Details Quarry operation Quarry operation

1977-12-08

1979-01-23

Purser, Ernest R.

Mining or in situ disintegration of hard material

Processes

Explosive

299 18, 299 19, E21C 4702, E21C 4710

Patent

active

041357620

ABSTRACT:
Method of operating a quarry area comprises the steps of advancement of excavation such that a central trench is first provided for receiving overburden from adjacent strips to both sides of such trench. When the operation in the quarry is completed, a plurality of elongated spoil ridges are left with the valleys between the ridges providing solid ground for access roads to a further quarry area subsequently opened to one end of the depleted area. The method also facilitates the handling of overburden and transportation of the excavated rock in the existing quarry.

REFERENCES:
patent: 3799613 (1974-03-01), Hendry
patent: 3917349 (1975-11-01), Cleary, Jr.
patent: 4017122 (1977-04-01), Simpson

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