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2009年11 期
| 標題 |
| 高速鐵路聲屏障動力特性研究(49 卷) |
| 英文標題 |
| Study on dynamic behaviour of sound-barrier built along high-speed railway |
| 摘要 |
| 以高速鐵路聲屏障為研究對象，介紹作用于聲屏障的高速列車脈動風荷載的特性。分別建立單塊混凝土聲屏障及金屬立柱聲屏障的實體有限元模型，并建立用于時程響應(yīng)分析的20 m長板殼有限元模型。實體、板殼聲屏障模型的自振特性分析結(jié)果表明，兩者的基頻結(jié)果相符較好，基頻均在9.0 |
| 作者 |
| 新聞作者:鄧 躒，施 洲，劉兆豐 |
| 關(guān)鍵字 |
