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Supervised by Ministry of Industry and Information Technology of The People''s Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Comparison of Geotextiles by Aeration Vacuum Rapid Dewatering Technique on Dredged Sludge
Yuan Zhou,Jie Bian,Hui Tao,Jingming Xu
1.Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering,Hohai University,Nanjing;2.Shanghai Municipal Engineering Design Institute Set Co,Ltd Shanghai;3.College of Mathematics,Physics and Information Engineering,Anhui Science and Technology University,Chuzhou
In order to accelerate the consolidation of the dredged sludge and look for an effective material for mud-water separation, the study on the comparison of geotextiles is carried on. It is based on the laboratory model test of aeration vacuum rapid mud-water separating (AVMWS) technique and evaluated by the cumulative weight of pumping water, the decrease of moisture content and the stable pumping speed. The results show that woven fabric is the best anti-clogging aeration vacuum material, followed by machine-woven fabric and non-woven fabric is the worst. The analysis has been proposed from two aspects of geotextile weaving technology and aeration vacuum condition.
Key words:  aeration vacuum  geotextile  mud-water separation  comparison
Clc Number:TP391.7