Investigation of Stochastic Seismic Response and Index Correlation of an Arch Dam Using Endurance Time Analysis Method

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left">Level</td><td class="align_center">Limit State</td><td class="align_center">Description</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">I</td><td class="align_center">Minor</td><td class="align_center">The contraction joint may be opened, but with a small degree of opening that will have no additional impact on the performance of dam</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">II</td><td class="align_center">Moderate</td><td class="align_center">The nonlinear behaviour of arch dam is shown up in the form of contraction opening and cracking; nonpenetrating cracks appear on the arch dam, and the length of cracks is small; damage may occur downstream face in the centre of dam, which has a certain influence on the seismic performance of the dam body, but it will reach the normal state of use in short time after slight repair</td></tr><tr><td class="align_left" colspan="3"><hr/></td></tr><tr><td class="align_left">III</td><td class="align_center">Serious</td><td class="align_center">Penetrating cracks appear in the abutment and centre of the arch dam, and the length of cracks is large; the arch dam is collapsed, which has a serious impact on the seismic performance of dam body</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Three limit state of arch dam.</div>

Advances in Civil Engineering

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Table 3

Table 3: Investigation of Stochastic Seismic Response and Index Correlation of an Arch Dam Using Endurance Time Analysis Method 