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Vibration control of piled-structures through structure-soil-structure-interaction

机译：通过结构-土壤-结构-相互作用控制桩结构的振动

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This paper deals with the vibration control of existing structures forced by earthquake induced ground motion. To this aim it is proposed for the first time to exploit the structure-soil-structure mechanism to develop a device, hosted in the soil but detached from the structure, able to absorb part of the seismic energy so to reduce the vibration of neighbourhood structures. The design of the device is herein addressed to protect monopile structures from earthquake induced ground motion. By modelling the ground motion as zero-mean quasi-stationary response-spectrum-compatible Gaussian stochastic process, the soil as visco-elastic medium and the target monopiled-structure as a linear behaving structure the device, herein called Vibrating Barrier (ViBa), has been designed through an optimization procedure. Various numerical and experimental results are produced to show the effectiveness of the ViBa. Remarkably, a significant reduction of the structural response up to 44% has been achieved. (C) 2015 Elsevier Ltd. All rights reserved.
机译：本文研究了地震引起的地震动对现有结构的振动控制。为此，首次提出了利用结构-土壤-结构机制来开发一种装置，该装置位于土壤中但与结构分离，能够吸收部分地震能量，从而减少附近结构的振动。 。该设备的设计在本文中旨在保护单桩结构免受地震引起的地面运动。通过将地面运动建模为零均值准静态响应谱兼容的高斯随机过程，将土壤建模为粘弹性介质，将目标单桩结构建模为线性行为结构，将该设备（此处称为振动屏障（ViBa））通过优化程序进行设计。产生了各种数值和实验结果，以证明ViBa的有效性。显着地，已经实现了将结构响应显着降低达44％。 （C）2015 Elsevier Ltd.保留所有权利。

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