Estimation of Annual Routine Maintenance Cost for Highway Tunnels

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Block one: district indicators</td><td class="align_center">Block two: time indicators</td><td class="align_center">Block three: traffic indicators</td><td class="align_center">Block four: tunnel parameter indicators</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Guanzhong, Shannan</td><td class="align_center">lnAge, ln∑ESAL</td><td class="align_center">lnAADT, lnESAL, lnAADTT, and PTT</td><td class="align_center">lnNT, PSLT, PLT, PMLT, lnNVF, and lnNLF</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The grouping design of hierarchical regression analysis.</div>

Advances in Civil Engineering

tab2

Table 2

Table 2: Estimation of Annual Routine Maintenance Cost for Highway Tunnels 