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Tunneling Machine Research - Development of an Experimental Full- scale Research Rock Cutting Device.

Authors
Rad-PF; Schmidt-RL
Source
NTIS: PB 224 511 :18 pages
Link
NIOSHTIC No.
10001729
Abstract
The increased use of tunnel boring machines (tbm) has stimulated laboratory research to optimize the cutting parameters of these machines with the objective of increasing machine efficiency and penetration rate. Laboratory-scale rock cutting experiments have succeeded in identifying many of the important parameters involved in rock-cutter interaction. Although scaling factors may be required to apply the results directly, the concepts developed can be used qualitatively as design guidelines for boring machines. The Bureau of Mines Twin Cities Mining Research Center has recently developed a large-scale rock cutting device (rcd) that will simulate many of the operating parameters of the tunnel boring machines in the laboratory under a controlled environment. The results of the experiments with this device will be directly applicable to the design of tbm's.
Publication Date
19730101
Document Type
IH; Report of Investigations
Fiscal Year
1973
NTIS Accession No.
PB-224511
NTIS Price
A03
Identifying No.
RI 7787
NIOSH Division
TCRC;
Source Name
NTIS: PB 224 511
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