ON THE INFLUENCE OF SATURATION AND FREQUENCY ON MONOCHROMATIC PLANE WAVES IN UNSATURATED SOILS

机译：饱和度和频率对非饱和土壤单相平面波的影响

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The propagation of sound waves in partially saturated sandstone is investigated by use of a macroscopic linear model which is based on the two-component model of Biot and on the Simple Mixture Model by Wilmanski. The considered porous medium consists of a deformable skeleton and two compressible pore fluids (water and air).rnThe wave analysis of the poroelastic model reveals the existence of four body waves: three longitudinal waves, P1, P2, P3, and one shear wave, S. The dependence of their phase velocities and attenuations on the saturation and on the frequency is studied and compared to experimental observations and the sound velocity of suspensions.

机译：利用宏观线性模型对声波在部分饱和砂岩中的传播进行了研究，该模型基于Biot的二元模型和Wilmanski的Simple Mixture模型。所考虑的多孔介质由可变形的骨架和两种可压缩的孔隙流体（水和空气）组成。多孔弹性模型的波分析表明存在四种体波：三个纵波P1，P2，P3和一个剪切波， S.研究了它们的相速度和衰减对饱和度和频率的依赖性，并将其与实验观察结果和悬架的声速进行了比较。

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来源
《Coupled site and soil-structure interaction effects with application to seismic risk mitigation》|2008年|65-76|共12页
会议地点 Borovets(BG)
作者
Bettina Alters;
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作者单位

Institute for Soil Mechanics and Geotechnical Engineering Technische Universitat Berlin, Germany;

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会议组织
原文格式 PDF
正文语种 eng
中图分类
关键词
monochromatic waves; porous media; partially saturated soils;

机译：单色波多孔介质部分饱和土壤;

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3. Influence of saturation degree and role of suction in unsaturated soils behaviour: application to liquefaction [J] . Mathilde Vernay, Mathilde Morvan, Pierre Breul E3S Web of Conferences . 2016,第10期

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4. ON THE INFLUENCE OF SATURATION AND FREQUENCY ON MONOCHROMATIC PLANE WAVES IN UNSATURATED SOILS [C] . Bettina Alters NATO advanced research workshop on coupled site and soil-structure interaction effects with application to seismic risk mitigation . 2009

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5. Residual NAPL saturations in unsaturated soils for two- and three-fluid phase systems. [D] . Muthu, Rangaramanujam S. 2008

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8. Saturation and the limit of jet mixing enhancement by single frequency plane wave excitation: Experiment and theory [R] . Raman, Ganesh, Rice, Edward J., Mankbadi, Reda R. 1988

机译：单频平面波激发的饱和度和射流混合增强极限：实验与理论

ON THE INFLUENCE OF SATURATION AND FREQUENCY ON MONOCHROMATIC PLANE WAVES IN UNSATURATED SOILS

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