二層立体ラチスドームの上下地震時耐震性能に及ぼすドーム付加重量の影響

書誌事項

タイトル別名
  • EARTHQUAKE RESISTANT CAPACITY OF DOUBLE LAYER LATTICED DOMES WITH ADDITIONAL MASSES SUBJECTED TO VERTICAL MOTIONS
  • 2層立体ラチスドームの上下地震時耐震性能に及ぼすドーム付加重量の影響
  • 2ソウ リッタイ ラチス ドーム ノ ジョウゲ ジシンジ タイシン セイノウ

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抄録

The present paper deals with the dynamic buckling behavior and the earthquake resistance of double layer pin-jointed latticed domes subjected to vertical accelerations by considering an additional mass to the original dead weight. Elasto-plastic, static or dynamic analysis, accounting for both geometric and material nonlinearities, has been performed by using Taft and El-centre UD motions. Based on the results from both the static and the dynamic analysis, the earthquake resistant capacity is evaluated in terms of the safety factor for the combined load of the dead and the additional weight as well as in terms of the linear response spectra.

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