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Estimating the dewatering time in geosynthetic tube dewatering projects
While the use of geosynthetic tubes in dewatering projects is rising steadily and the dewatering results are promising, there is still a lack of knowledge in predicting the time needed until a certain dewatering level is achieved. Also the choice of an optimal tube size is still depending on the practical experience of the project executives. This is mainly due to the fact, that the dewatering of fine grained sludges such as some dredged materials and industrial sludges depends on various factors including the particle size distribution, the contents of organic material, and salts, the pressure distribution within the sludge body and the flow path length to the tube surface. So the total modelling of the dewatering process is difficult and may not be efficient for the size of dewatering projects where geosynthetic tubes are usually applied. After a short introduction to cake filtration theory a simple method to estimate the dewatering time is presented using data from pressure filtration tests.
Estimating the dewatering time in geosynthetic tube dewatering projects
While the use of geosynthetic tubes in dewatering projects is rising steadily and the dewatering results are promising, there is still a lack of knowledge in predicting the time needed until a certain dewatering level is achieved. Also the choice of an optimal tube size is still depending on the practical experience of the project executives. This is mainly due to the fact, that the dewatering of fine grained sludges such as some dredged materials and industrial sludges depends on various factors including the particle size distribution, the contents of organic material, and salts, the pressure distribution within the sludge body and the flow path length to the tube surface. So the total modelling of the dewatering process is difficult and may not be efficient for the size of dewatering projects where geosynthetic tubes are usually applied. After a short introduction to cake filtration theory a simple method to estimate the dewatering time is presented using data from pressure filtration tests.
Estimating the dewatering time in geosynthetic tube dewatering projects
Stefan, C. (author) / Cantre, S. (author)
2006
4 Seiten, 3 Bilder, 1 Tabelle, 8 Quellen
Conference paper
Storage medium
English
Estimating the dewatering time in geosynthetic tube dewatering projects
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