Abstract
Geotextile tubes have successfully been used by virtually every industry today to dewater a variety of sediments, slurries, by-products, and wastes. Despite this, the dewatering industry currently lacks uniformity in regards to establishing testing standards and assessing dewatering performance. Prior to full-scale tube deployment, lab and/or field tests are typically performed to evaluate performance. Preliminary bench tests such as the falling head test (FHT) and pressure filtration test (PFT) are often used to evaluate candidate polymers and dewatering efficiency. The mid-scale hanging bag test (HBT) and geotextile tube dewatering test (GDT) may then be used to visualize the dewatering process and evaluate the selected polymer. There is currently no industry standard, however, and numerous variations in testing programs, methods, and data interpretation exist. Before advanced studies can be undertaken, a common framework for data interpretation must be created by standardizing testing programs. Using a fine grained, non-plastic soil and woven geotextiles, this study aims to examine and compare the bench-scale and mid-scale test methods adopted for assessing dewatering performance. In addition to standardized testing programs, the need exists for estimating geotextile tube dewatering rates. This study proposes a theoretical model using Darcy's law and the Kozeny-Carman equation which allows for an estimation of dewatering time.
| Original language | English (US) |
|---|---|
| Title of host publication | Geotechnical Special Publication |
| Pages | 2141-2151 |
| Number of pages | 11 |
| Edition | 211 GSP |
| DOIs | |
| State | Published - 2011 |
| Event | Geo-Frontiers 2011: Advances in Geotechnical Engineering - Dallas, TX, United States Duration: Mar 13 2011 → Mar 16 2011 |
Other
| Other | Geo-Frontiers 2011: Advances in Geotechnical Engineering |
|---|---|
| Country | United States |
| City | Dallas, TX |
| Period | 3/13/11 → 3/16/11 |
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Keywords
- Dewatering
- Geosynthetics
ASJC Scopus subject areas
- Geotechnical Engineering and Engineering Geology
- Civil and Structural Engineering
- Building and Construction
Cite this
A comparison of test methods adopted for assessing geotextile tube dewatering performance. / Grzelak, M. D.; Maurer, B. W.; Pullen, T. S.; Bhatia, Shobha K; Ramarao, B. V.
Geotechnical Special Publication. 211 GSP. ed. 2011. p. 2141-2151.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - A comparison of test methods adopted for assessing geotextile tube dewatering performance
AU - Grzelak, M. D.
AU - Maurer, B. W.
AU - Pullen, T. S.
AU - Bhatia, Shobha K
AU - Ramarao, B. V.
PY - 2011
Y1 - 2011
N2 - Geotextile tubes have successfully been used by virtually every industry today to dewater a variety of sediments, slurries, by-products, and wastes. Despite this, the dewatering industry currently lacks uniformity in regards to establishing testing standards and assessing dewatering performance. Prior to full-scale tube deployment, lab and/or field tests are typically performed to evaluate performance. Preliminary bench tests such as the falling head test (FHT) and pressure filtration test (PFT) are often used to evaluate candidate polymers and dewatering efficiency. The mid-scale hanging bag test (HBT) and geotextile tube dewatering test (GDT) may then be used to visualize the dewatering process and evaluate the selected polymer. There is currently no industry standard, however, and numerous variations in testing programs, methods, and data interpretation exist. Before advanced studies can be undertaken, a common framework for data interpretation must be created by standardizing testing programs. Using a fine grained, non-plastic soil and woven geotextiles, this study aims to examine and compare the bench-scale and mid-scale test methods adopted for assessing dewatering performance. In addition to standardized testing programs, the need exists for estimating geotextile tube dewatering rates. This study proposes a theoretical model using Darcy's law and the Kozeny-Carman equation which allows for an estimation of dewatering time.
AB - Geotextile tubes have successfully been used by virtually every industry today to dewater a variety of sediments, slurries, by-products, and wastes. Despite this, the dewatering industry currently lacks uniformity in regards to establishing testing standards and assessing dewatering performance. Prior to full-scale tube deployment, lab and/or field tests are typically performed to evaluate performance. Preliminary bench tests such as the falling head test (FHT) and pressure filtration test (PFT) are often used to evaluate candidate polymers and dewatering efficiency. The mid-scale hanging bag test (HBT) and geotextile tube dewatering test (GDT) may then be used to visualize the dewatering process and evaluate the selected polymer. There is currently no industry standard, however, and numerous variations in testing programs, methods, and data interpretation exist. Before advanced studies can be undertaken, a common framework for data interpretation must be created by standardizing testing programs. Using a fine grained, non-plastic soil and woven geotextiles, this study aims to examine and compare the bench-scale and mid-scale test methods adopted for assessing dewatering performance. In addition to standardized testing programs, the need exists for estimating geotextile tube dewatering rates. This study proposes a theoretical model using Darcy's law and the Kozeny-Carman equation which allows for an estimation of dewatering time.
KW - Dewatering
KW - Geosynthetics
UR - http://www.scopus.com/inward/record.url?scp=79956372799&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79956372799&partnerID=8YFLogxK
U2 - 10.1061/41165(397)219
DO - 10.1061/41165(397)219
M3 - Conference contribution
SN - 9780784411650
SP - 2141
EP - 2151
BT - Geotechnical Special Publication
ER -