Experimental Analysis of Bending Stiffness Characteristics of Grouted Double Mortise-Tenon Joint for Prefabricated Metro Station Structure

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Axial load (kN)</td><td class="align_center">Design bearing range (kN·m)</td><td class="align_center">Design using bending stiffness (kN·m/rad)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">500</td><td class="align_center">0∼325</td><td class="align_center">1.96<i>E</i> + 05∼1.53<i>E</i> + 06</td></tr><tr><td class="align_left">1000</td><td class="align_center">0∼450</td><td class="align_center">1.94<i>E</i> + 05∼1.53<i>E</i> + 06</td></tr><tr><td class="align_left">1250</td><td class="align_center">0∼562.5</td><td class="align_center">1.52<i>E</i> + 05∼1.53<i>E</i> + 06</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Design ranges and stiffness values of double-tenon joints without auxiliary pretightening device under different axial loads.</div>

Advances in Civil Engineering

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Table 2

Table 2: Experimental Analysis of Bending Stiffness Characteristics of Grouted Double Mortise-Tenon Joint for Prefabricated Metro Station Structure 