Drill penetration rates in rock


Drill penetration rates in rock

Drilling Penetration Rate Estimation using Rock Drillability Characterization Index

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Thuro, Prediction and classification tool wear in drill and blast tunnelling. The summaries of the test results are given in Table I.

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Berdt, Correlation of model tunnel boring and drilling machine performance with rock properties. The DRI value is strongly related to the uniaxial compressive strength and indirect tensile strength.

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