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Real-Time Behaviour of Dredged Slurry Treated by Air-Booster Vacuum Consolidation

open access: yesApplied Sciences (Switzerland), 2023
The air-booster vacuum preloading method has been applied to slurry ground improvement. It is based on the conventional vacuum preloading method but with an additional injection of pressurised air into the soil via pre-installed conductors.
Li Shi, Yanmin Yu
exaly   +5 more sources

Compressibility of lime-treated dredged slurry with high water content [PDF]

open access: yesScientific Reports
Lime is widely used for soft ground treatment, rendering the compressibility of lime-treated soil a crucial factor in deformation analysis in engineering applications.
Zhen-qi Weng   +5 more
doaj   +4 more sources

Hydromechanical behavior of dredged slurry modified with industrial waste composite curing agents [PDF]

open access: yesScientific Reports
Dredged slurry generally exhibits high water content, high clay content, and low permeability, which frequently lead to drainage clogging and soil column formation during vacuum preloading.
Yichun Liu   +3 more
doaj   +4 more sources

Effect of sand on the vacuum consolidation of dredged slurry [PDF]

open access: yesMarine Georesources & Geotechnology, 2017
Vacuum preloading is often used to improve the geotechnical properties of dredged slurry. Although the performance of this method has improved with rapidly developing technology, soil columns usually formed on the drainage boundary induce the decrease of
Cai, Yuanqiang   +9 more
core   +3 more sources

Land reclamation & soil improvement using dredged slurry as fill [PDF]

open access: yes, 2018
Dredged seabed materials are proposed as an alternative reclamation fill for sand depleted cities. Hydraulic dredging and infilling are identified as the most efficient and cost-effective ways to place large quantities of dredged materials at shallow ...
Lam, Kok Pang
core   +3 more sources

Numerical Investigating on Representativeness of Tracers in PIV Model Test of Dredged Slurry Treated by Vacuum Preloading

open access: yesApplied Sciences, 2021
The vacuum preloading method is commonly adopted for improving the soft ground that the embankment of the railway line is laid on. The PIV (Particle Image Velocimetry) technique is a powerful tool in observing the formation of the soil column, a ...
Jiahao Wang   +7 more
doaj   +2 more sources

The effect of PVD layout on the consolidation characteristics of dredged slurry under vacuum preloading [PDF]

open access: yesFrontiers in Marine Science, 2023
Vacuum preloading coupled with prefabricated vertical drains (PVDs) has been widely used to improve the property of the dredged slurry. However, the effect of PVD layout on slurry consolidation characteristics remains poorly understood.
Jing Cai, Zili He, Bin Xu, Mengfei Yu
doaj   +2 more sources

Effect of Vertical Spacing Between Prefabricated Horizontal Drains on Vacuum Preloading of Dredged Slurry

open access: yesAdvances in Civil Engineering
The vacuum preloading combined with prefabricated horizontal drain (PHD) is an effective foundation treatment method for high-water-content dredged slurry.
Jinqiang Jin   +11 more
doaj   +2 more sources

Grain sorting and settling behavior of dredged slurry under shear action

open access: yesFrontiers in Earth Science
Understanding the sedimentation behavior of dredged slurry under shear is essential for managing disposal ponds and land reclamation. This study developed a rotating shear settling device to systematically investigate the structural evolution and ...
Ying Zhang, Ying Zhang, Guizhong Xu
doaj   +2 more sources

Experimental study on self-weight consolidation behavior of hydraulically dredged slurries

open access: yesYantu gongcheng xuebao, 2017
The large-strain self-weight consolidation theory is widely used for the design of dredged material disposal sites and the treatment of hydraulically dredged slurries in the disposal sites.
WANG Liang 1, 2, HUANG Ying-hao 3, ZHANG Chun-lei 4, LI Lei 5, JIA Hou-lei 1, LI Ting 1, 4, XIE Jian 1
doaj   +2 more sources

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