Two representative laboratory tests, using vacuum preloading alone and vacuum preloading combined with variable-spacing electro-osmosis (EO), were performed on dredged marine clay slurry used for tideland reclamation. This combined method consists of the following three stages: vacuum preloading alone, vacuum preloading in combination with large spacing EO, and vacuum preloading in combination with small spacing EO. This study focused on the feasibility and effectiveness of variable-spacing EO. The results showed that better consolidation was achieved using the combined method in terms of water content, dry density, degree of saturation, Atterberg limits, discharge of water, vane shear strength, current, and excess pore water pressure. Energy consumption for consolidation of the large spacing EO stage was less than for the small-spacing EO stage.
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February 2017
Research Article|
August 01 2016
Experimental study on the combined application of vacuum preloading – variable-spacing electro-osmosis to soft ground improvement
H. Fu;
H. Fu
1Lecturer, College of Architecture and Civil Engineering
Lecturer, Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation
Lecturer, Innovation Center of Tideland Reclamation and Ecological Protection, Wenzhou University, Wenzhou, P.R. China, E-mail: fuhongtao2012@163.com
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Y. Cai;
Y. Cai
2Professor, Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, Zhejiang University, Hangzhou, P.R. China
Director, College of Architecture and Civil Engineering
Director, Innovation Center of Tideland Reclamation and Ecological Protection, Wenzhou University, Wenzhou, P.R. China, E-mail: caiyq@zju.edu.cn
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J. Wang;
J. Wang
3Professor, College of Architecture and Civil Engineering, Wenzhou University, Chashan University Town, Wenzhou, China
Deputy Director, Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation, Wenzhou University, Zhejiang, Wenzhou, China
Deputy Director, Innovation Center of Tideland Reclamation and Ecological Protection, Wenzhou University, Wenzhou, P.R. China, E-mail: sunnystar1980@163.com (corresponding author)
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P. Wang
P. Wang
4Associate Professor, College of Architecture and Civil Engineering
Lecturer, Key Laboratory of Engineering and Technology for Soft Soil Foundation and Tideland Reclamation
Innovation Center of Tideland Reclamation and Ecological Protection, Wenzhou University, Wenzhou, P.R. China, E-mail: geowangpeng@163.com
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Publisher: Emerald Publishing
Received:
December 21 2015
Revision Received:
May 05 2016
Accepted:
June 14 2016
Online ISSN: 1751-7613
Print ISSN: 1072-6349
© 2016 Thomas Telford Ltd
2016
Geosynthetics International (2017) 24 (1): 72–81.
Article history
Received:
December 21 2015
Revision Received:
May 05 2016
Accepted:
June 14 2016
Citation
Fu H, Cai Y, Wang J, Wang P (2017), "Experimental study on the combined application of vacuum preloading – variable-spacing electro-osmosis to soft ground improvement". Geosynthetics International, Vol. 24 No. 1 pp. 72–81, doi: https://doi.org/10.1680/jgein.16.00016
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