Journal
DRYING TECHNOLOGY
Volume 35, Issue 1, Pages 38-45Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07373937.2016.1157602
Keywords
Dewatering; dredger fill; electro-osmosis; vacuum preloading
Categories
Funding
- Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering of Hohai University [201502]
- Science and Technology project of Housing and Construction Department of Jiangsu Province [2015ZD79]
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The dredger fill dewatering effect of vacuum preloading incorporated with electro-osmosis in different ways was evaluated by implementing six laboratory tests. The results of these tests show that the asynchronous consolidation effect of vacuum preloading incorporated with electro-osmosis was better than the other tests. However, vacuum preloading and electro-osmosis will not be able to give full play to the drainage effect, if the alternate time is too short. Alternatively, the energy provided by vacuum preloading and electro-osmosis will not be able to make full use, if the alternate time is too long. There are some advantages when using vacuum preloading and electro-osmosis asynchronous reinforcement. The alternate time of vacuum preloading and electro-osmosis has to constantly adjust according to the water discharge or drainage rate in engineering application.
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