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Effects of Permeability and Loading Rate on Dynamic ,

A thin layer element for describing the dynamic behavior of a fluid saturated porous layered medium is presented The dynamic stiffness of the saturated two-phase grounds are given comparing with those for dry soil by using the developed formulation INTRODUCTION Soil structures and foundations in Japanese...

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The Seismic Behavior of Urban Tunnels in Soft Saturated ,

Jan 01, 2011 0183 32 In this paper the topic is assessed through the use of the FLAC software 2 MODEL CHARACTERISTICS The purpose of the article is to present the results of the study of the dynamic behavior of the tunnel in the soft saturated soils For this purpose, a tunnel with the selected mesh shown in figure 1 is considered in the area...

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PDF Effect of gap and scour on dynamic behavior of ,

The effect of gap and scour on dynamic behavior of monopiles is studied by a rigorous semi-analytical method , method to study the dynamic interaction of ,...

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Are We There Yet? Data Saturation in Qualitative Research

This is because study designs are not universal However, researchers do agree on some general principles and concepts no new data, no new themes, no new coding, and ability to replicate the study Guest et al, 2006 When and how one reaches those levels of saturation will vary from study design to study design...

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Title Dynamic Behavior of Foundations Studies on the ,

Dynamic Behavior of Foundations , In this paper, studies on certain dynamic behavior concerning various kinds of foundation and a device of vibration measuring are reported in four separate sections The first section is a theoretical research on the consolidation settlement , the volume of the voids of a fully saturated clay corresponds to ....

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Vibration response of saturated sand

Nov 01, 2016 0183 32 In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally A physical model was manufactured to simulate steady state harmonic load applied on a footing resting on sandy soil at different operating frequenci Total of 84 physical models were performed The parameters that ,...

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Dynamic behavior and backbone curve model of saturated ,

Dynamic behavior and backbone curve model of saturated coarse-grained soil under cyclic loading and low confining pressure ZHOU Wen-quan 1, 1, 2 LENG Wu-ming 1, 1, 2 LIU Wen-jie 1, 1, 2 NIE Ru-song 1, 1, 2 YANG Qi 1, 1, 2 ZHAO Chun-yan 1, 1, 2...

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Saturated Fats Compared With Unsaturated Fats and Sources ,

Background The associations between dietary saturated fats and the risk of coronary heart disease CHD remain controversial, but few studies have compared saturated with unsaturated fats and sources of carbohydrates in relation to CHD risk Objectives This study sought to investigate associations of saturated fats compared with unsaturated fats and different ,...

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ME Miguel A Mánica

Mar 23, 2015 0183 32 Numerical Study of the Dynamic Behavior of a Site Reinforced With Rigid Inclusions Proceedings of the 5th International Young Geotechnical Engineers Conference, Paris, France ABSTRACT Using the finite difference code FLAC3D, a research was carried out to study the three-dimensional dynamic behavior of a site reinforced with rigid inclusions...

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Seismic response of partially saturated soils beneath ,

In this study, a series of dynamic centrifuge experiments were conducted to investigate the impacts of sequential ground motions on the behavior of partially saturated soils beneath shallow foundations Two different shallow foundation models with a bearing pressure of 135 kPa and 50 kPa were examined...

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PDF Study on Dynamic Behavior of Shallow Foundations on ,

In this study, the dynamic behavior of shallow foundations on saturated loose sand was evaluated using a 1-g shaking table The effects of foundation aspect ratio and excitation direction...

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Dynamic behavior of large

Marine structures are mostly constructed on deep foundations, namely large-diameter pil Such support structures are driven into deposits of saturated granular soil, which is vulnerable to liquefaction under loadings of dynamic nature, eg, earthquak Although numerous studies have been accomplished to obtain a comprehensive understanding of their performance ,...

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Improving shallow foundations resting on saturated loose ,

Improving shallow foundations resting on saturated loose sand by a zeolite-cement mixture A laboratory study , and small-scale 1g model tests were conducted to evaluate the mechanical features of zeolite-treated sand and to study the behavior of shallow foundations rested on zeolite pad, respectively , H, and Haddad, A Dynamic ....

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Study on dynamic undrained mechanical behavior of ,

Dec 01, 2018 0183 32 The dynamic undrained characteristics of saturated soft silty clay in Ningbo were studied under different temperatures, dynamic stress amplitude, confining pressure and initial static deviation stress by using the newly developed temperature-controlled triaxial test system...

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Dynamic Response of Saturated Soil

Oct 25, 2017 0183 32 In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally In order to investigate the response of soil and footing to steady state dynamic loading, a physical model was manufactured to simulate steady state harmonic load at different operating frequenci...

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Static and dynamic behaviour of soils a rational ,

Jun 08, 1990 0183 32 Pietruszczak S and Oulapour M 1999 Assessment of Dynamic Stability of Foundations on Saturated Sandy Soils, Journal of Geotechnical and Geoenvironmental Engineering, 101061/ ASCE 1090-0241 1999 125 7 576 , 125 7, 576-582 , Online publication date 1-Jul-1999...

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Stresses and pore water pressure induced by machine ,

Abstract In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally In order to investigate the response of soil and footing to steady state dynamic loading, a physical model was manufactured...

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The Seismic Behavior of Urban Tunnels in Soft Saturated Soils

saturated soils should be regarded as an important issue In this paper the topic is assessed through the use of the FLAC software 2 MODEL CHARACTERISTICS The purpose of the article is to present the results of the study of the dynamic behavior of the ,...

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PDF Study on Dynamic Behavior of Shallow Foundations on ,

The dynamic behavior of foundations on saturated loose sand under the effects of liquefaction due to seismic loading is a complicated issue Many numerical, laboratory and analytical simulations have been done on this subject but still there is not a general engineering approach to predict the behavior of this system...

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Study on the Spatially Variable Saturated Hydraulic ,

Jan 01, 2018 0183 32 5 Deformation Behavior Analysis Based on Spatial Variable Ksubs 51 Analyzing Method and Calculation Model A 2D deformation behavior analysis of the major profile associated with the spatial variable Ksubs value under the combined effect of reservoir water fluctuation and rainfall has been carried out in this study...

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Study on Seismic Response in Deeply Deposited Saturated ,

Nov 28, 2021 0183 32 Based on the dynamic constitutive model of sand, a dynamic numerical analysis was performed for gravel pile reinforcement in the South-to-North Water Diversion Project the excess pore pressure of saturated sand foundation at the bottom of the main canal were obviously reduced due to the drainage effect of gravel piles Yang et al 30...

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Mitigating the uneven settlement of nearby strip footings ,

investigating the behavior of shallow foundations on the loose saturated Babolsar sand in the area seems to be essential Jafarian et al 11 evaluated the monotonic behavior of the Babolsar sand through the triaxial tests under isotropic and anisotropic consol-idations Moreover, Jafarian et al 12 evaluated the shear strain-dependent ....

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Research Article Soil Saturated Simulation in Embankment ,

modulus ratio between saturated embankment and foundation As concluded, the modulus ratio between and , this study was developed by other researchers using nite-element method and nite-di erence method to cover some factors such as nonlinear, inelastic, nonuniform, and anisotropic behavior of materials , In terms of dynamic behavior ....

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Improving shallow foundations resting on saturated loose ,

and investigating the behavior of shallow foundations on the loose saturated Babolsar sand in the area seems to be essential Jafarian et al 12 evaluated the monotonic behavior of the Babolsar sand through the triaxial tests under isotropic and anisotropic consolida-tions Moreover, Jafarian et al 13 evaluated the shear strain-dependent ....

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Vibration response of saturated sand

Jul 01, 2016 0183 32 In this study, the response and behavior of machine foundations resting on dry and saturated sand was investigated experimentally A physical model was manufactured to simulate steady state harmonic load applied on a footing resting on sandy soil at different operating frequenci Total of 84 physical models were performed The parameters that ,...

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Impact Induced Responses of Saturated and Dry Dense Sand ,

Especially considering dynamic loading, fully saturated soil can show a different behavior compared to dry soil or drained conditions with no development of excess pore pressure This behavior can be important for the process of pile driving, analysis of liquefaction phenomena as well as earthquake loading Grabe et al, 2014...

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PDF Behavior of dry and saturated soils under impact ,

Dynamic compaction is a widely used soil improvement method in dry and/or saturated soils Despite its vast application, its design basis is still empirical and the ,...

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PDF Numerical Analysis of Machine Foundation Resting on ,

The behavior of machine foundation on saturated porous medium can be considered as a complicated geotechnical problem due to nature of dynamic loads and plasticity of soil which make the analysis and design of foundation subjected to dynamic loads more complex The main criteria for safe performance of machine foundations subjected to dynamic loads are to ,...

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Advances in Soil Dynamics and Foundation Engineering ,

Sharafkhah Mehdi Shooshpasha Issa A laboratory study of the effect of piles asymmetric arrangement on the behavior of piled raft foundation in sand International Journal of Geotechnical Engineering 101080/1938636220181427658 Online publication date February 2018...

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Study on the Dynamic Behavior of foundations on Saturated ,

Study on the Dynamic Behavior of foundations on Saturated Loose Sand by means of 1-G Shaking Table Tests...

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