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Tuesday, July 28, 2020 | History

1 edition of A study of the soil properties important in the application of electro-osmosis found in the catalog.

A study of the soil properties important in the application of electro-osmosis

by Stephen Jack Koonce

  • 149 Want to read
  • 13 Currently reading

Published by Rensselaer Polytechnic INst. .
Written in English

    Subjects:
  • Civil engineering

  • Edition Notes

    Thesis (MCE)--Rensselaer Polytechnic INst., 1954.

    ID Numbers
    Open LibraryOL24992589M

      (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THIS is used solely as a reading device such as Nuvomedia's Rocket eBook.) Users can purchase an eBook on diskette or CD, but the most popular method of getting an eBook is to purchase a downloadable file of. As a new soil improvement method, adding nano-bentonite can enhance the engineering properties of soil. To study the stabilization effect of nano-bentonite on soil consolidation properties, a series of one-dimensional odometer tests were conducted on a clayey soil with different nano-bentonite mixing contents (i.e., %, 1%, %, and 2%). The effects of nano-bentonite on the coefficient of Author: Gang Cheng, Hong-Hu Zhu, Ya-Nan Wen, Bin Shi, Lei Gao.

    The electrical resistivity of soil is significantly influenced by shape of the particle of soil, presence of moisture in soil, chemical properties of soil and presence of organic materials in soil. Chemical properties of soil such as Soil pH, Cation exchange capacity (CEC), soil salinity can be efficiently determined by electrical resistivity of soil.   (An eBook reader can be a software application for use on a computer such as Microsoft's free Reader application, or a book-sized computer THE is used solely as a reading device such as Nuvomedia's Rocket eBook.).

    Important recommendations from theexperiment such as the importance ofusing a non-conducting fluid, oil for example, as a surrounding liquid for detection of Author: Alaydi Khaled. The application of an electrical potential reduced tillage draft force up to 39 percent in a loam soil and up to 11 percent in a clay loam soil in soil bin tests. The greatest draft force reduction more» in the loam soil was obtained with a 40 V electrical input, one coulter as anode, soil moisture content of 17 percent and tillage speed of 6.


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A study of the soil properties important in the application of electro-osmosis by Stephen Jack Koonce Download PDF EPUB FB2

Theory of Electroosmosis in Soil. of the important electrokinetic properties of soil colloids (Figure 3).

In this study, soil moisture was controlled by using tap water and NaOH as. Application of Electro-Osmosis to Reduce the Adhesion of Clay during Mechanical Tunnel Driving. The thickness of the fluid film depends on two soil properties.

The first element is the pore. In this paper, the theory about electro-osmotic treatment of soil is summarized. The correlation between conventional soil char-acteristics and the most important electro-osmotic parameters, soil resistivity and electro-osmotic permeability coefficient, is indicated.

Two case records exemplify the correlation between theory and by: 1. Review of the literature shows that there have been limited studies on the electrochemical effects in treatment of soils by electro-osmosis (except the works of Chew et al., and Rittirong et al., that studied the electrochemical effects generated by the application of D.C.

current in soil) and the majority of them are focussed only on Cited by: Electro-osmosis may be carried out by applying a constant current or constant voltage. During treatment, the resistivity of the soil changes owing to electrochemical changes and desiccation. When a constant voltage is applied, the magnitude of the current decreases corresponding to the increase in the resistance of the soil mass being treated.

Electro-osmosis refers to the movement of liquid in a porous material due to an applied electric field. Electro-osmosis is a very effective instrument when treating heterogeneous, silt and clay-rich soil. The phenomenon of electro-osmosis is very useful in chemical separation techniques and buffered solutions.

This research investigated the effect of applying an electrical field on soil-water and salt movement in near saturated sand. A horizontal electric field was generated in sand by the application of a constant voltage gradient of 1 V cm The electrical current was found to decrease with increasing period of application.

The application of the electrical field produced changes in both the Author: Abdurrahman F. Huweg, Fouad Kamel, Steven Raine. Prefabricated Vertical Drains (PVDs) or ‘Wick Drains' are composed of a plastic core encased by a geotextile for the purpose of expediting consolidation of slow draining soils.

They are typically coupled with surcharging to expedite preconstruction soil consolidation. Surcharging means to pre-load soft soils by applying a temporary load to. In this case, the porous media is soil. A brief review of the science behind the application of electroosmosis for contaminant remediation is the focus of this paper.

When DC is applied to the soil volume, pore water and most contaminants move from the anode (the positive electrode) to the cathode (the negative electrode). 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 by: Electro kinetic stabilization is the application of electro osmosis.

Reinforced soil steel is used for retaining structures, sloping walls, dams etc. seismic loading is suited for construction in seismically active regions. Mechanically stabilized earth structures create a reinforced soil mass. This study focuses on the treatment of heavy metal ions and achieving enhancement of river sediment, which is rich in organics.

Fulvic acid was used as the main representative of organics in which to study the transfer of Cu2+, Zn2+ ions in the electroosmotic system, in both the absence and presence of organics. In addition, the effects of the experiment parameters (i.e., voltages. Fundamentals of Electro-Osmosis Chemical Treatment.

The consolidation process of the ECT consists of electro-osmotic grouting, chemical cementation, electrolysis, and ion exchange [14 L. Zhang, "Experimental and Theoretic Study on Electrochemical Stabilization of Soft Clay in Liaoning Province", M.S.

Thesis, Shenyang Jianzhu University, Shenyang, China, Cited by: 1. electro-osmotic stabilization of soils. a review is presented of the principles of practical applications of electro-osmosis with particular attention to the stabilization of natural and excavation slopes in fine-grained soils, consisting of three parts: a discussion of principles of electro-osmotic flow through capillaries, a description of various phenomena which result when applying electro.

The study also included the first ever field application of electro-osmosis to cohesive reinforced soil (Glendinning et al., a; Jones and Pugh, ).

The trial was unique in that a vertical 5 m reinforced soil wall was constructed using liquid fill. The fill was strengthened between lifts mm high by electro-osmosis provided by the top Cited by: 2.

The electro‐migration of species and the establishment of a double layer at the solid‐liquid interface generate an electro‐osmotic flow through the soil pores. Electro‐osmosis is the most important transport mechanism for removal of compounds uncharged or weakly charged as organic : Maribel Pérez‐Corona, Zsuzsanna Plank, Erika Bustos.

RTU Syllabus Civil Engineering 5th Semester RTU publishes the latest syllabus for all branches in its official Website. All semesters are important stages for every student’s life.

With the latest Civil Engineering Syllabus for the 5th Semester, you can create a solid study plan and score a better mark in all subjects in the semester exam/5(3).

Explore Ground Improvement Techniques with Free Download of Seminar Report and PPT in PDF and DOC Format. Also Explore the Seminar Topics Paper on Ground Improvement Techniques with Abstract or Synopsis, Documentation on Advantages and Disadvantages, Base Paper Presentation Slides for IEEE Final Year Civil Engineering CE or IEEE Civil Construction BTech, BE, MTech Students for the.

Electro-osmosis: Electric current is introduced to the soil mass. The water migrates from anode to cathode and then is removed by pumping. Thermic treatment: The subsurface materials are bakes by hot ( C) gas introduced downhole in boreholes drilled in a specific pattern.

The engineering properties of a soil can be improved by the injection of chemical fluids which solidify and hence strengthen the soil structure. Obviously the system is only effective if the voids of the soil can be penetrated by the grout and it therefore has little application for cohesive soils, except when fissures require to be sealed.

Electrokinetic remediation is an environmental technique especially developed for the removal of contaminants in soil, sediments and sludge, although it can be applied to any solid porous material [].Electrokinetic remediation is based in the application of a direct electric current of low intensity to the porous matrix to be decontaminated [].

Cited by:   @article{osti_, title = {Electrochemical Processes for In-Situ Treatment of Contaminated Soils - Final Report - 09/15/ - 01/31/}, author = {Huang, Chin-Pao}, abstractNote = {This project will study electrochemical processes for the in situ treatment of soils contaminated by mixed wastes, i.e., organic and inorganic.

Soil samples collected form selected DOE waste sites will. Compaction seeks to maximise density and minimise air voids; for this application both of these compaction objectives are important A – The maximum dry density (MDD) is achieved at the optimum water content (OWC) at which point the soil has minimum resistance to shear, hence densification B – Additional water inhibits densification.