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A Grid-Based Method to Represent the Covariance Structure for Earthquake Ground Motion

机译：基于网格的地震地震动协方差结构表示方法

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Spatial variation of earthquake ground motion is an important phenomenon that cannot be ignored in the design and safety of strategic structures. However, almost all the procedures for the evaluation of variation assumed that the random field is homogeneous in space. It is obvious that reality does not fully conform to the assumption. How to investigate the inhomogeneous feature of ground motion in space is a challenge for researcher. A body-fitted grid-coordinates-based method is proposed to estimate and describe the local spatial variations for the earthquake ground motion; it need not to make the assumption that the random field of earthquake is homogeneous in space. An analysis of spatial variability of seismic motion in smart-1 array monitored in Lotung, Taiwan demonstrates this methodology.
机译：地震地震动的空间变化是重要的现象，在战略结构的设计和安全中不可忽视。但是，几乎所有评估变异的程序都假定随机场在空间上是均匀的。显然，现实并不完全符合假设。如何研究空间中地面运动的不均匀特征是研究人员面临的挑战。提出了一种基于拟合网格坐标的估计和描述地震地震动局部空间变化的方法。它不必假设地震的随机场在空间上是均匀的。对台湾Lotung监测的smart-1阵列中地震运动的空间变异性的分析证明了这种方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2012年第5期|p.34.1-34.13|共13页
  • 作者

    Yingmin Li; Zheqian Wu; Huiguo Chen;

  • 作者单位

    College of Civil Engineering, Chongqing University, Chongqing 400045, China;

    College of Civil Engineering, Chongqing University, Chongqing 400045, China;

    College of Civil Engineering, Chongqing University, Chongqing 400045, China,Department of Architecture & Civil Engineering, Logistical Engineering University, Chongqing 401311, China;

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