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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kaniraj, Shenbaga R. Huong, H. L. Yee, J. H. S. |
| Copyright Year | 2010 |
| Abstract | Peat and soft soil deposits are abundant in Malaysia. Studies using electrokinetic geosynthetics (EKG) such as prefabricated electric vertical drains (EVD or ePVD) have shown the potential for the application of these materials in electrokinetic strengthening of soft clays and increasing solids content in mining tailings and sludges. There are no studies reported on the effectiveness of electro-osmosis using EVD in peat. Laboratory experiments were carried out to investigate the effectiveness of electro-osmotic stabilization of two peat samples and a slightly organic clayey silt sample, from the North Sarawak region. Commercially available EVD was used to induce electro-osmosis and drainage of pore water. The influence of voltage gradient, organic content, initial water content, anode–cathode configuration and presence of roots on electro-osmotic consolidation was investigated. Electro-osmotic consolidation using EVDs was effective in the improvement of peat, over a large range of initial water contents. An increase in the voltage gradient generally improved consolidation. The maximum voltage gradient for optimum results appeared to be in the region 120 V/m. The 2anodes-1cathode configuration performed better than the 1anode-1cathode configuration. The presence of roots reduced the electro-osmosis effect. |
| Starting Page | 277 |
| Ending Page | 295 |
| Page Count | 19 |
| File Format | |
| ISSN | 09603182 |
| Journal | Geotechnical and Geological Engineering |
| Volume Number | 29 |
| Issue Number | 3 |
| e-ISSN | 15731529 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2010-10-22 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Clayey silt Electrokinetic geosynthetics Electro-osmosis Peat Vertical drain Civil Engineering Waste Management/Waste Technology Hydrogeology Geotechnical Engineering Terrestrial Pollution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Soil Science Geology Architecture Geotechnical Engineering and Engineering Geology |
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