Competitive Failure of Loosening and Fatigue of Bolts under Composite Excitation

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left">Transverse displacement amplitude (mm)</td><td class="align_center">Axial load amplitude (kN)</td><td class="align_center"><i>N</i> (cycles)</td><td class="align_center">Effect of axial load on bolt failure</td><td class="align_center">The critical value of the axial load for restraining bolt failure (kN)</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">0.6</td><td class="align_center">0</td><td class="align_center">15,690</td><td class="align_center">—</td><td class="align_center" rowspan="6"><span style="width: 268.539ptpx;"><svg height="12.5794pt" id="M3" style="vertical-align:-3.29107pt" version="1.1" viewbox="-0.0498162 -9.28833 268.539 12.5794" width="268.539pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g 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class="align_center">Restraining</td></tr><tr><td class="align_left">0.6</td><td class="align_center">6</td><td class="align_center">20,631</td><td class="align_center">Restraining</td></tr><tr><td class="align_left">0.6</td><td class="align_center">8</td><td class="align_center">14,666</td><td class="align_center">Promoting</td></tr><tr><td class="align_left">0.6</td><td class="align_center">10</td><td class="align_center">10,560</td><td class="align_center">Promoting</td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Calculation of the critical value of the axial load for restraining bolt failure.</div>

Shock and Vibration

tab3

Table 3

Table 3: Competitive Failure of Loosening and Fatigue of Bolts under Composite Excitation 