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Effect of surcharge loading rate and mobilized load ratio on the performance of vacuum–surcharge preloading with PVDs
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Wang, Jun, Gao, Ziyang, Fu, Hongtao, Ding, Guangya, Cai, Yuanqiang, Geng, Xueyu and Shi, Changxin (2019) Effect of surcharge loading rate and mobilized load ratio on the performance of vacuum–surcharge preloading with PVDs. Geotextiles and Geomembranes, 47 (2). pp. 121-127. doi:10.1016/j.geotexmem.2018.12.001 ISSN 0266-1144.
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Official URL: http://dx.doi.org/10.1016/j.geotexmem.2018.12.001
Abstract
The results from three laboratory model tests performed under various vacuum and surcharge loads with PVDs are reported. Different SLRs were adopted to investigate the effect on the consolidation of dredged soil. To measure the lateral displacement, a refitted inclinometer was developed and tested. In the tests, the settlement, lateral displacement, and vane shear strength were measured, and the degree of consolidation (DOC), horizontal coefficient of consolidation (Ch), and bearing capacity were calculated. The results indicate that larger SLR values promote consolidation. The largest vane shear strength, settlement, and Ch values were all obtained under the highest SLR, and the bearing capacity under this SLR was more than double that under the lowest SLR. The DOC was found to increase with the growth of the SLR. However, considering the vacuum pressure was higher in Case-III, the influence of SLR on reinforcement effect may not be so significant.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Journal or Publication Title: | Geotextiles and Geomembranes | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 0266-1144 | ||||||||
Official Date: | April 2019 | ||||||||
Dates: |
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Volume: | 47 | ||||||||
Number: | 2 | ||||||||
Page Range: | pp. 121-127 | ||||||||
DOI: | 10.1016/j.geotexmem.2018.12.001 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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