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The article offers information on the hydraulic cell consolidation and permeability tests of the soil. Topics discussed include information on the effective stress as the tests for the determination of the coefficient of permeability of soil specimens; discussions on the principles of the permeability tests in a triaxial cell; and the information on the impacts of the soil permeability on the pore pressure measurement.

The article offers information on the hydraulic cell consolidation and permeability tests along with the consolidation test procedures. Topics discussed include information on the measurement of the pore pressure; discussions on the sequence of effective pressure increments and decrements; and the information on the degree of saturation is related to the pore pressure ratio.

The article highlights the hydraulic cell consolidation and permeability tests of soil. Topics discussed include information on the pore pressure is not measured during consolidation during in the vertical drainage methods; discussions on the impacts on the pore pressure by the soil compaction; and the information on the permeability measurements in a Rowe cell either with laminar flow of water in the vertical directionor with radial flow horizontally.

The article offers information on the hydraulic cell consolidation and permeability tests and specimen preparation. Topics discussed include information on the measurement for the soil compression; discussions on the determination of the moisture content and particle density in the soil samples; and the information on the impacts of the compaction on the pore water pressure.

The article offers information on the hydraulic cell consolidation and permeability tests along with the preparation of the equipments. Topics discussed include information on the calculations for the determination of the coefficient of vertical permeability of the soil; discussions on the measurements and calibrations of the measuring instrument; and the information on the de-airing the pore pressure and drainage lines.

The article offers information on the theories related to the hydraulic cell consolidation and permeability tests. Topics discussed include information on the compression tests on sands; discussions on the measurements of the pore water pressures in consolidation tests; and the information on the study on the effect of wall friction in a conventional oedometer cell.

The article offers information on the triaxial consolidation and permeability tests for the measurement of permeability. Topics discussed include information on the triaxial consolidation test with radial drainage; role of the pore pressure dissipation in log time method; discussions on the determination of the coefficient of consolidation; and the information on the sequence of effective pressure increments and decrements.

The article offers information on the consolidation characteristics and the permeability of a soil. Topics discussed include information on the measurement of the pore water pressure; discussions on the impacts of the consolidation process on the effective shear stress; and the information on the advantages of the consolidation test over the standard oedometer test.

The article offers information on the several triaxial test procedures for the measurement of the shear strength of soils and undrained compression tests. Topics discussed include information on the factors affecting the effective shear strength parameters includes compressibility, pore pressure changes and voids ratio changes; discussions on the advantage of multistage testing; discussions on the stress conditions and soil behaviour.

The article offers information on the several triaxial test procedures for the measurement of the shear strength of soils. Topics discussed include information on the factors affecting the effective shear strength parameters includes compressibility, pore pressure changes and voids ratio changes; discussions on the advantage of multistage testing; discussions on the stress conditions and soil behaviour.

The article offers information on the routine triaxial compression tests for the measurement of the effective shear strength of soils and test procedures. Topics discussed include information on the effect of side drains on soil permeablity; discussions on the measurement of initial pore water pressure; and the information on the use of initial effective stress for triaxial tests.

The article offers information on the aspects of good laboratory practice and techniques. Topics discussed include information on the significant variations to pore pressure readings due to the odd temperature during the effective stress tests; discussions on the impacts of the environment on the electronic instrumentation; and the information on the calibration of instruments and test apparatus for the elimination of any error.

The article offers descriptions of the equipment required for effective stress tests along with the calibrations and corrections. Topics discussed include information on the calculating axial stress of the deformation; discussions on the membrane penetration effect on volume change and the pore water pressure; and the information on the expansion of cell due to pressure increase.

The article offers descriptions of the equipment required for effective stress tests along with its preparation. Topics discussed include information on the use of the control panel and the pressure guage for measuring the soil compaction; discussions on the pore pressure system for measuring the pore water pressure; and the information on the use of volume-change indicator in soil testing.

The article offers descriptions of the equipment required for effective stress tests such as accessories, materials and tools. Topics discussed include information on the use of valves in the pressure lines and pore pressure systems; discussions on the drainage layers for consolidation tests of soil; and the information on the fluids essential for several items of triaxial testing equipment such as paraffin and the de-aired water.

The article offers descriptions of the equipment required for effective stress tests for both shear strength and compressibility. Topics discussed include information on the type of measurement used for measuring such as the pore water pressure, Axial deformation and axial loading; discussions on the use of electromechanical instruments such as the digital pressure gauge and digital dial gauge; and the information on the importance of the calibration in soil testing.

The article offers information on the principles related to the effective stress theory in soil mechanics. Topics discussed include information on the sign convention for stress and strain between soil particles; discussions on the difference between the total stress and the pore water pressure; and the information on the compressibility of soil particles.

The article offers information on the effective stress testing principles along with its theory and applications for exploring the Saturation of soil and use of back pressure. Topics discussed include information on the triaxial compression tests on saturated soils for the measurement of pore water pressure; discussions on the advantages of applying a back pressure; and the information on the effective stress triaxial tests for measurement of shear strength of soil.

The article offers information regarding use of consolidation theory in the oedometer consolidation test for the determination of the consolidation characteristics of soils of low permeability. It mentions that the theory of consolidation applies to fully saturated soils, in which the voids contain water only. It presents information on pressure in the water in the voids between solid particles in a soil is known as the pore water pressure.

The article offers information on the use of laboratory tests for the determination of the physical properties of soils. Topics discussed include information on the shear strength of soils for the measurement of the effective stress; discussions on the measurement of pore water pressures; and the information on the standard tests for the determination of engineering properties of soils in context with the American Society for Testing and Materials.

In this paper, tests on silty soil obtained from the Yellow River Delta under waves were conducted in a wave flume (size: 15(L) ×1.0(H) ×0.5(W), unit: m) to investigate characteristics of its consolidation behaviors. In addition, soil penetration strength was measured with a mini-penetrometer, and variations of pore water pressure were analyzed to study the mechanisms. Results indicated that the sliding interface between the oscillatory layer and the underlying layer would move downwards under another round of wave actions after a period of time&s consolidation under self-weight in static water, while the magnitude of the oscillation would be much smaller than that of the last time. Analytical results of pore water pressure variations clearly illustrated that the liquefaction tended to be initiated in the surface layer and spreading fast into lower layers. The penetration strength data revealed that there was a layer of extremely high strength in the sliding zone, which might be the embryo of the hard crust in the tidal flat of the Yellow River Estuary. All in all, the strength of such silt soil increased unequally along the depth continuously under wave loadings, and the consolidation speed was much higher than that in the static water. [ABSTRACT FROM AUTHOR]

The seabed is assumed to be transversely isotropic fluid-saturated elastic porous medium. Based on the anisotropy theory and Biot dynamic consolidation equations, this paper has established a 3D-dynamic seabed model in u-w-p form and defined anisotropic indicators ξα, ξβ, m for the first time. The governing equations are solved by the Wilson-θ finite element program of DSFEM, and the numerical model is verified by test results. The computation results indicate that the amplitude of the pore water pressure decays more quickly with higher wave heights, shorter wave periods, or in shallower water depths. [ABSTRACT FROM AUTHOR]

There sometimes exits the notable difference between the solution of one-dimension consolidation of aquitard based on Terzaghi&s theory and the field settlement observations, which can be in a certain extent ascribed to that the flow of pore water in the aquitard may not obey Darcy&s law. In order to improve the precision of consolidation computation, the non-Darcy flow equation described by the power function for the lower velocity of flow and the linear function for the higher velocity of flow is introduced to modify Terzaghi&s one-dimensional consolidation equation, and the presented equation is generalized to take account of the consolidation case due to the falling of the water head in the confined aquifer. The numerical analysis is performed by using the finite volume method. The effects of the parameters of non-Darcy flow on the consolidation process are investigated. The numerical results indicate that the non-Darcy flow delays the dissipation of pore water pressure in the aquitard; thereby the consolidation time of aquitard is longer than that of the solution based on Terzaghi&s theory. [ABSTRACT FROM AUTHOR]

The article provides an introduction to the concept and use of stress paths as applied to the laboratory testing of soils and in deriving the stress paths from the triaxial tests. Topics discussed include use of the stress path to derive pore pressure or strain relations; discussions on the plotting of a stress path triaxial test (compression or extension) for determining the soil behaviour; and the information on the relations between pore pressure change and applied stresses.

The article offers information regarding several terms used in the oedometer consolidation test for the determination of the consolidation characteristics of soils of low permeability. It mentions information on pore water pressure (u) which is hydrostatic pressure of the water in the voids, or pores, between solid particles. It presents information on excess pore pressure which is the increase in pore water pressure due to the sudden application of an external pressure or stress.

The article offers information on the routine triaxial compression tests for the measurement of the effective shear strength of soils. Topics discussed include information on the consolidated-undrained triaxial compression test with measurement of pore water pressure; discussions on the consolidated-drained triaxial compression test with measurement of volume change; and the information on the use of conventional equipment requiring manual operation, observation and recording.

The article offers information on the several triaxial test procedures for the measurement of the shear strength of soils. Topics discussed include information on the factors affecting the effective shear strength parameters includes compressibility, pore pressure changes and voids ratio changes; discussions on the advantage of multistage testing; discussions on the stress conditions and soil behaviour.