Osmotic consolidation

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August undefined, 2024

WebApr 5, 2011 · A series of electro-osmotic consolidation experiments were carried out on an organic soil from the central Sarawak region of Malaysia. Commercially available EVD … WebAug 18, 2024 · Electro-osmotic consolidation has been applied in several geotechnical engineering applications that contain a series of complex processes, including …

A novel evaluation method of consolidation efficiency of electro ...

WebApr 1, 2024 · The consolidation algorithm of EC2 is one-dimensional and conducted using finite-difference and piecewise-linear methods. This paper presents the theoretical and numerical development of the EC2 ... WebJul 1, 2024 · Electro-osmotic consolidation is an effective method to remove pore water from soft soil. The application of an electric field causes movement of the ions and associated water within the double layer toward the cathode (Mitchell and Soga, 2005 ). The consolidation of the soil occurs when the water drawn to the cathode is removed. gods edition

Mechanical and osmotic consolidation of geosynthetic clay liners: …

WebMay 22, 2014 · A series of electro-osmotic consolidation experiments with different anode follow-up programs were carried out to investigate the influence of anode follow-up to … WebPolarity reversal and current intermittence are two attainable approaches to improve the electro-osmosis effect as well as to reduce energy consumption. The objective of this paper is to evaluate the impact of polarity reversal and current intermittence on electro-osmosis and, furthermore, to optimize the electrifying process. Laboratory tests were performed … WebJan 27, 2024 · Electro osmotic consolidation refers to the consolidation of soft clays with the utilization of electric current. It was assessed and utilized for the very first time by Casagrande. It is intrinsic that fine … god see all things

Multi-dimensional chemo-osmotic consolidation of clays

Influence of Soluble Salt on Electro-Osmotic …

WebJan 25, 2011 · Electroosmotic (e.o.) consolidation of clays has been known in geotechnical engineering for many decades but is in fact seldom used. The analysis of published data from case records indicates that the power losses at the soil–electrode contact constitute a major problem for the field application of e.o. consolidation. WebSoil voltage is generally assumed to show a linear relationship with distance from the cathode according to the established electroosmotic consolidation equation. However, … booking to stay at a humble hut crosswordWebFeb 13, 2024 · For example, electro-osmotic consolidation has been developed over several decades and has been used in many ground treatment projects already. Prefabricated vertical drain (PVD) is only one among many other types of vertical drains. The use of sand drains, stone columns, pervious concrete piles and permeable pipe piles … booking toronto

"WebIn the electroosmosis method, when the distance between the opposite electrode and the same electrode is equal, the two-dimensional effect of electroosmotic consolidation is significant, and the use of one-dimensional model will overestimate the potential gradient, making the calculated pore pressure value too large. Aiming at this problem, according to … " - Osmotic consolidation

Osmotic consolidation

Webconcentration [kon″sen-tra´shun] 1. increase in strength by evaporation. 2. the ratio of the mass or volume of a solute to the mass or volume of the solution or solvent. 3. intense … WebApr 11, 2024 · The stress state of the real reservoir is simulated by applying different effective stresses to the remodeled cores for consolidation. The variation of sediment permeability over osmotic pressure under different saturation and effective stress is further studied. ... The higher osmotic pressure further causes the gas flow in the flow channel …

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WebApr 3, 2024 · Energy consumption has emerged as a hot topic and cutting-edge research theme in the application of electro-osmotic consolidation of low-permeability soils. … WebJan 1, 2012 · The model is able to account for the large-strain-induced nonlinear changes of the physical and electro-chemical properties in a compressible mass subjected to electro-osmotic consolidation and...

WebDec 2, 2012 · The larger osmotic consolidation strain experienced by S1 specimen is apparently on account of a greater reduction in diffuse ion layer thickness on exposure to 4 M sodium chloride solution. The different osmotic consolidation strains exhibited by S1 … WebApr 5, 2011 · A series of electro-osmotic consolidation experiments were carried out on an organic soil from the central Sarawak region of Malaysia. Commercially available EVD was used to induce electro-osmosis and drainage of pore water. The influence of the method of drainage and pumping interval of drained water on electro-osmotic consolidation was …

WebApr 1, 2024 · Different experiments using these techniques are analyzed and presented below to assess the benefits of their use. Additionally, a comprehensive comparison is presented between polarity reversal and an intermittent current across many variables to assess which method is superior for use in electro-osmotic consolidation. 2. Polarity … WebMay 1, 2024 · Fig. 7, Fig. 8, Fig. 9 illustrates that the distribution of the excess pore water pressure during electro-osmotic consolidation calculated from the present analytical solution agrees well with that from the numerical simulation, and Fig. 10, Fig. 11, Fig. 12 further indicates that the degree of consolidation can also be well predicted with the ...

WebApr 3, 2024 · The most important energy created during electro-osmotic consolidation is the molecular migration kinetic energy, which can drive the drainage of water and cations and the consolidation of soil, which is referred to …

WebOct 2, 2013 · Dans cet article, une formulation par éléments finis (EF) pour l’analyse de la consolidation électroosmotique (CEO) est développée et intégrée dans un programme d’analyse par EF (AEF). booking to stay at a humble hutWebSep 12, 2024 · Electro-osmosis is a powerful technique, as a means of dewatering soils of high compressibility and moisture content. Electro-osmosis is an established technique and has been investigated by many researchers as long as a century ago. The treatment factors that contribute to the effectiveness of electro-osmotic consolidation are type of ... booking toruń apartament glamourWebJun 1, 2024 · As layered soil heterogeneity is important and widely-recognized in geotechnical engineering, the core object of this paper is to propose an exact solution for the 1D electro-osmotic consolidation of double-layered system. The mathematic model is developed first, including the governing equation, boundary condition, and continuity … god seed for minecraftWebJun 1, 2011 · The effect of osmotic consolidation is represented by the second term on the right hand side of Eq. (18)a. 2.3. Chemical transport. Chemical transport can be represented by the classical advection–dispersion equation [24] with advection caused by pore water transport and dispersion due to both mechanical dispersion and molecular diffusion. god season 26WebSep 1, 2003 · A laboratory testing program was conducted on undisturbed and reconstituted samples in a small cylinder cell and a large consolidometer in order to assess the probable effectiveness of electro-osmotic treatment. The tests were performed under the voltage gradients of 60 and 120 V/m with a polarity reversal of every 24 h. booking toronto ontario canadaWebApr 6, 2024 · A vertical electro-osmosis method was proposed to improve the bearing capacity of piles in marine soft clay foundations. A top-down electro-osmosis test was conducted by setting an anode and cathode at the top and bottom of the pile, respectively, while the settings of bottom-up electro-osmosis were set in the opposite way. At the … booking toscane italieWebOct 8, 2024 · Electro-osmosis is a suitable method for the consolidation of soft soil. However, the significant potential loss caused by the cracking of the soil near the electrode in the later stages of electro-osmosis hinders further improvement of its efficiency. Dynamic loading is applied to overcome this problem. The dynamic loading activation time is … booking toruń noclegi