[Retracted] Application of Internet of Things Technology in the Construction of Bored Pile Foundation in a High Altitude Environment

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Rock quality index (RQD) value</td><td class="align_center">Rock quality evaluation</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">＞90</td><td class="align_center">It is good</td></tr><tr><td class="align_left">75～90</td><td class="align_center">Better</td></tr><tr><td class="align_left">50～75</td><td class="align_center">Poor</td></tr><tr><td class="align_left">25～50</td><td class="align_center">Difference</td></tr><tr><td class="align_left">＜25</td><td class="align_center">Very poor</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Rock quality evaluation criteria.</div>

Journal of Control Science and Engineering

tab4

Table 4

Table 4: [Retracted] Application of Internet of Things Technology in the Construction of Bored Pile Foundation in a High Altitude Environment 