Prediction Model of Drilling Performance for Percussive Rock Drilling Tool

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Test no.</td><td class="align_center">Value (MPa)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">1<br/>2<br/>3<br/>Average</td><td class="align_center">117.7<br/>109.9<br/>115.8<br/>112.5</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Uniaxial compressive strength of concrete specimens.</div>

Advances in Civil Engineering

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Table 5

Table 5: Prediction Model of Drilling Performance for Percussive Rock Drilling Tool 