A New Evaluation Method for the Uniaxial Compressive Strength ahead of the Tunnel Face Based on the Driving Data and Specification Parameters of TBM

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Value</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Diameter</td><td class="align_center">8.53 m</td></tr><tr><td class="align_left">Maximum thrust force</td><td class="align_center">27,489 kN</td></tr><tr><td class="align_left">Maximum torque</td><td class="align_center">8825 kN m</td></tr><tr><td class="align_left">Number of cutters</td><td class="align_center">58</td></tr><tr><td class="align_left">Cutter diameter</td><td class="align_center">19″ (432 mm)</td></tr><tr><td class="align_left">Cutter spacing</td><td class="align_center">90 mm</td></tr><tr><td class="align_left">Maximum cutter force</td><td class="align_center">350 kN</td></tr><tr><td class="align_left">Maximum revolutions per minute (RPM)</td><td class="align_center">9</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main specifications of the Steg and Raron TBMs.</div>

Shock and Vibration

tab3

Table 3

Table 3: A New Evaluation Method for the Uniaxial Compressive Strength ahead of the Tunnel Face Based on the Driving Data and Specification Parameters of TBM 

Table 3 | A New Evaluation Method for the Uniaxial Compressive Strength ahead of the Tunnel Face Based on the Driving Data and Specification Parameters of TBM 