This study seeks to develop a scientific understanding of the effects of dynamic loading history on
the low-yield-strength shear panel damper (LYSPD) mechanical properties and fatigue performance. The LYSPD
model is supposed as perfect elastic-plastic without strength deterioration. By adjusting the damper strength with
the above supposition in the DYMO software, the serial earthquake response waves of the LYSPD under different
soil conditions are obtained firstly. Subsequently, several waves, the most prone to damage at each soil condition,
are selected as dynamic loading waves to verify the LYSPD dynamic performances experimentally. The test results
suggest that the dynamic loading histories have no influence on the LYSPD strength or the supposed model
while they affect the fatigue performance. The applicability and accuracy of three fatigue evaluation methods,
cumulative plastic shear strain, cumulative energy absorption and Miner rule, are also compared according to the
test results.
ZHANG Chao-feng1,2* (张超锋), ZHANG Zhi-sheng2 (张志胜), AOKI Tetsuhiko3 (青木徹彦), ZHANG Min4 (帐目)
. Research on the Dynamic Performance of Low-Yield-Strength Shear Panel Damper for Bridge Application[J]. Journal of Shanghai Jiaotong University(Science), 2013
, 18(1)
: 118
-128
.
DOI: 10.1007/s12204-013-1374-5
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