Significant progress on the relevant issues has been made, and studies on the response of large span structures have shown that the effects of multi-support excitations should be considered.

• 本文基于相位差谱生成非平稳空间地震动场后，进行了国家体育场在多点激励下的地震反应分析，并将计算结果与一致激励的结果进行了对比。