pore-water pressure
The Evolution of Pore Water Pressure in a Saturated Soil Layer between Two Draining Zones by Analytical and Numerical Methods
... We will consider a compressible saturated soil layer, comprised between two draining areas and subjected to a uniform loading. The resolution of the equation modeling the phenomenon will allow us to predict the evolution ...
9
Seasonal changes in pore water pressure in a grass covered cut slope in London clay
... peak water demand by vegetation (summer) is out of phase with the season of greatest rainfall ...soil water content and, in clay soils, associated problems of shrinking and swelling that can in turn ...
15
Experimental study of deformation and pore water pressure for embankment on soft soil using Rapid Impact Compaction
... a pore water pressure of ...the pore pressure increases rapidly at the initial of the compaction stage and then the rate increases more slow than the previous phase until the stability ...
7
Consolidation properties of recent dredged mud sediment and insights into the consolidation analysis
... excess pore water pressure distributions in soil layer under various circumstances and it was identified that the present solutions for radial consolidation overlook the effect of potential ...
208
Effects of principal stress rotation on the wave–seabed interactions
... normalized pore water pressure at the depth of 15 mm, including the predictions and laboratory ...larger pore water ...predicted pore water pressure is slightly ...
10
Constitutive models for peat A review
... of water from the macropores and secondary compression was due to the very slow drainage of water from micropores into ...excess pore water pressure, with permeability decreasing ...
12
Displacement mechanisms of slow-moving landslides in response to changes in pore water pressure and dynamic stress
... In this study we present a suite of laboratory experiments that simulate a range of porewater-pressure and dynamic- stress scenarios on samples of smectite-rich clay taken from the slide surface of the Utiku ...
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Undrained Response of Soils Under Varying Parameters
... excess pore pressure generation in the ..., pore water pressure and principal effective stress ratio with varying densities and OCR is ...
6
Mechanism Analysis of Vacuum Combined with Surcharge Preloading and Engineering Application in Highway
... Porenwater pressure monitoring is the most direct and effective mean to master the consolidation state of foundation soil, and it is also one of the most effective methods for the evaluation of the stability of ...
5
Examination of Rainfall Induced Landslide Failure Mechanisms via a Centrifuge Physical Simulation Test
... the water table from rainfall, which accelerates the slope failure process [4] [5] ...and water pressure in the pores increases as the rainfall infiltrates, and both factors con- tribute to the ...
18
Effect of sand on the vacuum consolidation of dredged slurry
... The pore water pressure responses of samples with different sand contents of 0, 5, 10, 15, 20% under the vacuum preloading are shown in Figure ...in pore water pressure with ...
31
Beneficial Experience from Teaching and Education to Research and Development
... (excess) pore water pressures and (total and effective) stresses at the base of the newly deposited ...the pore water pressure and the excess pore water pressure ...
6
Return Analysis of Tabarakabad Dam using Instrumentation Data
... Construction of Tabarakabad dam in Ghoochan began on February 1381 and was completed on October 1383. In total, construction period duration has been about 620 days, which is less than the initial forecast that was ...
9
Centrifuge modeling of one step outflow tests for unsaturated parameter estimations
... large pore water pressure changes is a critical is- ...reliable pore water pressure measurements one should be able to gain information on the optimal exper- imental and ...
15
Numerical modeling of prefabricated vertical drain for soft clay using ABAQUS
... excess pore water pressure at 12 m and 20 m length of PVD with different spacings, it can be concluded that the smaller design spacing, the time required for consolidation is also ...
6
Modeling of Root reinforced Soil Slope under Rainfall Condition
... of pore water pressures can be induced by ground water rising or infiltration from the rain ...in pore water pressure shall reduce the matric suction and hence decrease the shear ...
10
Effects of Water Table Level on Slope Stability and Construction Cost of Highway Embankment
... the water table level through the contribution of the capillary ...Negative pore water pressure above the water table level evolves matric suction in the unsaturated zone above ...
12
Phosphorus Release from Sediments in a Riparian Phragmites australis Community at the Estuary of the Chikugogawa River, Western Japan
... Estuary is one of the most productive wetland ecosys- tems. Phosphorus is a limiting element in limnological ecosystems and hence the P mineralization and mobiliza- tion could limit the primary productivity of aquatic ...
9
The structural porosity in soil hydraulic functions – a review
... soil water con- tent θ R ...by water. The pore size distribution function g(r) in ...soil water retention function and ...soil water retention function is the equation of van Genuchten ...
14
Elastic brittle plastic behaviour of shale reservoirs and its implications on fracture permeability variation: an analytical approach
... between pore pressure in the fractures and shrinkage of the matrix of the rock) is not large enough to satisfy the yield criterion (due to large minimum principal stress levels) and the rock remains ...
18