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VIBRATIONS OF A DEEP HEAVY FOUNDATION RESTING ON WEIGHTY MULTILAYER SOILS
The authors present analytical and numerical solutions to the problem of vibrations of deep foundations caused by dynamic loads, if the foundations rest on multilayer soils. It is proven that the friction force that influences the foundation, the weighty nature of the bedding, and the visco-elastic properties of soils affect the amplitude and the frequency of vibrations. The authors present an approach to the calculation of vibrations of deep foundations resting on multilayer soils. The proposed approach takes account of the side surface friction of the foundation and the soil and elastic and viscous properties of soils. The soil is presented as a multilayer substance, and all of its layers are connected to one another by elastic-viscous elements. In this case, each layer of soil vibrates independently and provides multiple degrees of freedom to the system. A mathematical description of vibrations requires the identification of the coefficient of stiffness for each layer of soil, as well as the weight, the average per-layer stress and the angle of distributed static stress. The results have proven that the weight of the bedding, the friction of a deep foundation, and elastic and viscous properties of soil affect the behavior of the amplitude and the frequency of foundation vibrations and the accumulation of residual settlements.
VIBRATIONS OF A DEEP HEAVY FOUNDATION RESTING ON WEIGHTY MULTILAYER SOILS
The authors present analytical and numerical solutions to the problem of vibrations of deep foundations caused by dynamic loads, if the foundations rest on multilayer soils. It is proven that the friction force that influences the foundation, the weighty nature of the bedding, and the visco-elastic properties of soils affect the amplitude and the frequency of vibrations. The authors present an approach to the calculation of vibrations of deep foundations resting on multilayer soils. The proposed approach takes account of the side surface friction of the foundation and the soil and elastic and viscous properties of soils. The soil is presented as a multilayer substance, and all of its layers are connected to one another by elastic-viscous elements. In this case, each layer of soil vibrates independently and provides multiple degrees of freedom to the system. A mathematical description of vibrations requires the identification of the coefficient of stiffness for each layer of soil, as well as the weight, the average per-layer stress and the angle of distributed static stress. The results have proven that the weight of the bedding, the friction of a deep foundation, and elastic and viscous properties of soil affect the behavior of the amplitude and the frequency of foundation vibrations and the accumulation of residual settlements.
VIBRATIONS OF A DEEP HEAVY FOUNDATION RESTING ON WEIGHTY MULTILAYER SOILS
Ter-Martirosyan Zaven Grigor'evich (author) / Jaro Mokhammed Nazeem (author)
2012
Article (Journal)
Electronic Resource
Unknown
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