Field-Obtained Soil-Water Characteristic Curves of KPK Expansive Soil and Their Prediction Correlations

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Equation</td><td class="align_center" colspan="5">Model summary</td><td class="align_center" colspan="3">Parameter estimates</td></tr><tr class="thead"><td class="align_center"><i>R</i><sup>2</sup></td><td class="align_center"><i>F</i></td><td class="align_center"><i>df</i>1</td><td class="align_center"><i>df</i>2</td><td class="align_center">Sig.</td><td class="align_center">Constant</td><td class="align_center"><i>b</i>1</td><td class="align_center"><i>b</i>2</td></tr><tr><td class="thead-hr" colspan="9"><hr/></td></tr><tr><td class="align_left">Quadratic</td><td class="align_center">0.957</td><td class="align_center">5446.51</td><td class="align_center">2</td><td class="align_center">489</td><td class="align_center">0</td><td class="align_center">1313.662</td><td class="align_center">−47.383</td><td class="align_center">0.44</td></tr><tr class="table-tr"><td colspan="9"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Model summary and parameter estimates for quadratic regression.</div>

Advances in Civil Engineering

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Table 4

Table 4: Field-Obtained Soil-Water Characteristic Curves of KPK Expansive Soil and Their Prediction Correlations 