Mining or in situ disintegration of hard material – Processes – Forming blocks
Patent
1985-10-18
1987-06-16
Novosad, Stephen J.
Mining or in situ disintegration of hard material
Processes
Forming blocks
299 19, 405138, E21C 4100
Patent
active
046732187
ABSTRACT:
A method of excavating a tunnel in bedrock, including the steps of boring an outer peripheral slot in the bedrock, boring a plurality of horizontal slots in a bedrock section surrounded by the outer peripheral slot such that the bedrock section is divided into a plurality of bedrock portions by the horizontal slots, boring a plurality of vertical slots in one of the bedrock portions such that the one of the bedrock portions is divided into a plurality of bedrock blocks by the vertical slots, removing the bedrock blocks from the bedrock so as to define a working space, and providing an excavator in the working space such that the remaining ones of the bedrock portions are sequentially excavated by the excavator.
REFERENCES:
patent: 1093787 (1914-04-01), Kuhn et al.
patent: 3325217 (1967-06-01), Enz
patent: 3597929 (1971-08-01), Bodine
patent: 4437795 (1984-03-01), White
Honda Hiroo
Murakami Susumu
Goodwin Michael A.
Novosad Stephen J.
Okumura Corporation
LandOfFree
Tunnel excavation method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tunnel excavation method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tunnel excavation method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-679828