Seismic Performance of Lightweight Concrete Structures

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="3">Time period</td><td class="align_center">Normal weight concrete (sec)</td><td class="align_center">Lightweight concrete (sec)</td></tr><tr class="thead"><td class="align_center">IS 456-2000</td><td class="align_center">ACI 318</td></tr><tr class="thead"><td class="align_center"><i>E</i> = 27 Gpa</td><td class="align_center"><i>E</i> = 16 Gpa</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left"><i>X</i></td><td class="align_center">1.87</td><td class="align_center">1.88</td></tr><tr><td class="align_left"><i>Y</i></td><td class="align_center">1.85</td><td class="align_center">1.86</td></tr><tr><td class="align_left"><i>Z</i></td><td class="align_center">1.43</td><td class="align_center">1.39</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Advances in Civil Engineering

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Table 5

Table 5: Seismic Performance of Lightweight Concrete Structures 