Correlation of TBM and drilling machine performances with rock brittleness

@inproceedings{Kahraman2002CorrelationOT,
  title={Correlation of TBM and drilling machine performances with rock brittleness},
  author={S. Kahraman},
  year={2002}
}
Abstract The correlations between three different methods of measuring brittleness and both drillability and borability were statistically investigated using the raw data obtained from the experimental works of different researchers. Strong exponential relationships between the penetration rates of tunnel boring machine (TBM) and the brittleness of B 1 (the ratio of compressive strength to tensile strength) and B 2 (the ratio of compressive strength minus tensile strength to compressive… CONTINUE READING

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