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中铁十四局集团第五工程有限公司

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№ CN122926555AInvention
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一种隧道抗震设计参数确定方法、系统、设备及介质

本发明提供了一种隧道抗震设计参数确定方法、系统、设备及介质，属于隧道工程领域，包括获取隧道的选址地质条件与隧道设计参数；根据选址地质条件与隧道设计参数构建隧道的三维数值模型；根据隧道的选址确定抗震加速度反应谱和地震动峰值加速度；根据抗震加速度反应谱和地震动峰值加速度合成人工地震波；将人工地震波作为动力荷载，沿水平方向输入三维数值模型的底部；通过沿隧道轴线固定间距布设的监测断面提取三维数值模型的位移峰值，根据每个位移峰值在三维数值模型的位置构建沿隧道轴向的位移分布曲线；将位移分布曲线中斜率变化量大于预设值所对应的隧道区段，确定为隧道抗震设计参数中的抗震设防范围。该方法保障了抗震设计参数的准确性。

❖中铁十四局集团第五工程有限公司; 中铁十四局集团有限公司; 中铁十四局集团青岛工程有限公司张子强; 马俊尧; 阮超; 马希见; 高士亮; 杨宏旭; 李云贵; 李宗田; 高培宁Oct 16, 2026§ 4/10 ClaimsG06F 30/13 (2020.01), G06F 30/20 (2020.01), G06F 111/10 (2020.01) +212