Engineering Classification of Jointed Rock Mass Based on Connectional Expectation: A Case Study for Songta Dam Site, China

<table class="table-group" id="tab7"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left">Evaluation index</td><td class="align_center">Rock strength</td><td class="align_center">Joint spacing</td><td class="align_center">RQD</td><td class="align_center">Roughness</td><td class="align_center">Aperture</td><td class="align_center">Weathering</td><td class="align_center">Groundwater</td><td class="align_center">Dip difference</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Weight value</td><td class="align_center">0.205</td><td class="align_center">0.161</td><td class="align_center">0.164</td><td class="align_center">0.070</td><td class="align_center">0.069</td><td class="align_center">0.073</td><td class="align_center">0.088</td><td class="align_center">0.179</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Weight values for the evaluation index of rock mass quality.</div>

Advances in Civil Engineering

tab7

Table 7

Table 7: Engineering Classification of Jointed Rock Mass Based on Connectional Expectation: A Case Study for Songta Dam Site, China 