Quantitative Visualization Monitoring of Cracks at Shotcrete-Rock Interface Based on Acoustic Emission

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Cement</td><td class="align_center">Fine aggregate</td><td class="align_center">Coarse aggregate</td><td class="align_center">Water</td><td class="align_center">Water reducer</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">450</td><td class="align_center">971</td><td class="align_center">795</td><td class="align_center">180</td><td class="align_center">2.25</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Mix proportion of concrete specimens (kg/m<sup>3</sup>).</div>

Structural Control and Health Monitoring

tab1

Table 1

Table 1: Quantitative Visualization Monitoring of Cracks at Shotcrete-Rock Interface Based on Acoustic Emission 