Soil drainage clogging mechanism under vacuum preloading: A review

X Zhang, T Huang, Y Wu - Transportation Geotechnics, 2023 - Elsevier
As a kind of weak foundation treatment method, vacuum preloading (VP) combined with
prefabricated vertical drain (PVD) has been used in practical engineering successfully. The …

Analytical solution on vacuum consolidation of dredged slurry considering clogging effects

Y Zhou, P Wang, L Shi, Y Cai, J Wang - Geotextiles and geomembranes, 2021 - Elsevier
This paper aims to establish an analytical model on vacuum consolidation of dredged slurry
treated by PVD with special considerations on the clogging effects. A series of laboratory …

New approach of vacuum preloading with booster prefabricated vertical drains (PVDs) to improve deep marine clay strata

Y Cai, Z Xie, J Wang, P Wang… - Canadian Geotechnical …, 2018 - cdnsciencepub.com
This paper presented a new approach for ground improvement of deep marine clay in which
the conventional booster tube in the current air booster vacuum preloading technology was …

吹填淤泥真空预压固结机理与排水体防淤堵处理技术

蔡袁强 - 岩土工程学报, 2021 - cgejournal.com
针对吹填淤泥真空预压地基处理效果差的关键问题, 全面总结了笔者及其课题组多年来的研究
成果, 主要包括4 个方面: ① 采用超低压固结-渗透仪进行了大量的吹填淤泥固结, 渗透试验 …

Experimental study on vacuum preloading consolidation of landfill sludge conditioned by Fenton's reagent under varying filter pore size

Y Wu, Y Xu, X Zhang, Y Lu, G Chen, X Wang… - Geotextiles and …, 2021 - Elsevier
In view of the deep dewatering of landfill sludge (LS) that had been buried for more than ten
years in Shanghai, Fenton's reagent combined with a vacuum preloading method was …

Theoretical and analytical solution on vacuum preloading consolidation of landfill sludge treated by freeze–thaw and chemical preconditioning

X Zhang, D Du, Y Wu, P Ye, Y Xu - Acta Geotechnica, 2024 - Springer
At present, the treatment method for urban sludge is mainly sludge landfill, which requires
the water content of sludge to be less than 60%. Therefore, many researchers have …

Experimental study on the clogging effect of dredged fill surrounding the PVD under vacuum preloading

BH Xu, N He, YB Jiang, YZ Zhou, XJ Zhan - Geotextiles and …, 2020 - Elsevier
Clogging effect surrounding prefabricated vertical drains (PVDs) is a typical problem when
vacuum preloading is applied to a dredged fill foundation. A large-scale model test was …

Effect of pressurization frequency and duration on the consolidation of a dredged soil using air booster vacuum preloading combined with prefabricated horizontal …

J Wang, H Fu, W Zhang, J Ni, X Li, Y Cai - Geotextiles and Geomembranes, 2023 - Elsevier
The prefabricated horizontal drain (PHD) clogging problem often results in poor drainage
and consolidation effects. To solve this problem, this paper adopts air booster vacuum …

Plane‐strain model for large strain consolidation induced by vacuum‐assisted prefabricated horizontal drains

DB Song, HF Pu, ZY Yin, M Min… - International Journal for …, 2023 - Wiley Online Library
Vacuum‐assisted prefabricated horizontal drain (PHD) can be used to accelerate the
consolidation process of dredged mud slurry with high water content, and this method …

Experimental study on treating landfill sludge by preconditioning combined with vacuum preloading: effects of freeze-thaw and FeCl3 preconditioning

Y Wu, Y Xu, X Zhang, Y Lu, X He, B Song… - Science of the Total …, 2020 - Elsevier
The deep dewatering of landfill sludge (LS) mainly uses the methods of chemical
preconditioning and mechanical dewatering, which is easy to cause environmental pollution …