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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.3 No.4
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Correlation Between Drilling Parameter and tunnel Support Pattern Using Jumbo Drill

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2001, v.3 no.4, pp.17-24



& (2001). Correlation Between Drilling Parameter and tunnel Support Pattern Using Jumbo Drill. (사)한국터널지하공간학회, 3(4), 17-24.
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Abstract

Four road tunnels of which the construction conditions were sim ilar were selected in the paper, and laboratory testsand rockmass classification for the tunnels were carried out. A nd the analysis was performed to find out the correlationpattern of tunnel using jumbo drill machine. It wasanalyzed that there was average abrasion of bit from 11.85% to 3.25% per support patterns of tunnel in four tunnels.Drilling parameter happens to fluctuate according to extent of fracture zone.

keywords
Drilling Parameter, Ratio Of Bit AbrasionCorrelation Between Drilling Parameter and Tunnel Support Pattern Using Jumbo Drill1818Vol.3, No.41. 70% ., · . . ., . ., . ., (Drilling Parameter), IAS(Instantaneous AdvanceSpeed, ) TP(Tool Pressure, ), TQ, Drilling Parameter, Ratio Of Bit AbrasionCorrelation Between Drilling Parameter and Tunnel Support Pattern Using Jumbo Drill1818Vol.3, No.41. 70% ., · . . ., . ., . ., (Drilling Parameter), IAS(Instantaneous AdvanceSpeed, ) TP(Tool Pressure, ), TQ

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