Results 131 to 140 of about 803 (177)
Rheological and Thermal Properties of Salecan/Sanxan Composite Hydrogels for Food and Biomedical Applications. [PDF]
GelsZhang X +7 more
europepmc +1 more source
Recent Developments in the Vacuum Preloading Technique in China
Sustainability, 2022 A series of studies have confirmed that vacuum preloading can effectively accelerate the consolidation process of soft soil. In recent years, further improvement in the efficiency of this method is still the continuing goal of scholars. This paper reviews the recent improvements in the vacuum preloading techniques as well as their practical ...
Yuxiao Ren, Guizhong Xu, Xu Guizhong
exaly +2 more sources
A pilot test on a membraneless vacuum preloading method [PDF]
Geotextiles and Geomembranes, 2017 Abstract A membraneless vacuum preloading method is proposed in this paper for soft soil improvement. The method offers several advantages over the conventional vacuum preloading in which membrane is used to create the airtight condition and sand blanket layer to distribute vacuum.
Wei Guo, Jian Chu, Yuxiao Ren
exaly +3 more sources
Some of the next articles are maybe not open access.
Related searches:
Related searches:
Effect of a vacuum gradient on the consolidation of dredged slurry by vacuum preloading
Canadian Geotechnical Journal, 2021In this paper, a large-scale indoor model test was carried out to reinforce dredged slurry by vacuum preloading, and the effect of the vacuum gradient on the reinforcement effect was studied. The vacuum pressure, volume of extracted water, average ground settlement, and excess pore-water pressure were monitored during the test.
Jun Wang +6 more
openaire +1 more source
The theory and practice of vacuum preloading
Computers and Geotechnics, 1992Abstract The improvement mechanism of soft soil by the method of vacuum preloading and the Chinese contributions to this technology are introduced in this paper. A semi-analytical method is proposed for computation of consolidation of sand drain foundations under vacuum preloading. A simplified method for design of such foundations is also presented.
Qian, JH, Zhao, WB, Cheung, YK, Lee, PKK
openaire +2 more sources
Consolidating Waste Slurry by Vacuum Preloading with Flocculation
Soil Mechanics and Foundation Engineering, 2020Anionic polyacrylamide (APAM) and quicklime are used to improve vacuum preloading of waste slurry in Shanghai, China. To investigate the influence of these reagents on waste slurry sediment consolidation, tests on laboratory-scale models with and without the reagents were conducted and the results analyzed.
Yitian Lu +4 more
openaire +1 more source
Environmental Influence of Vacuum Preloading Dredging Project
Procedia Environmental Sciences, 2010 AbstractVacuum preloading is one of the effective technologies for consolidating soft foundation. The definition of vacuum preloading is presented and the research status of vacuum preloading is analyzed. The consolidation mechanism of vacuum preloading is explained also.
Yan, Jun, Wang, Qisong, Zhang, Ju
exaly +2 more sources
Centrifuge Model Test of Vacuum Surcharge Preloading
CICTP 2015, 2015Vacuum surcharge preloading for stabilizing soft soil foundation is becoming an increasingly popular ground improvement technique. Although many studies have been reported in literatures, few articles adopted the centrifuge model test. The Centrifuge model test technique is adopted to simulate a gravity field by changing centrifugal acceleration, in ...
Chunyuan Liu +3 more
openaire +1 more source
Airlift-assisted vacuum preloading: application of airlift via PVDs in vacuum preloading
Geosynthetics InternationalTo improve consolidation pressure along the prefabricated vertical drain (PVD), the presented study introduced a novel technique, airlift-assisted vacuum preloading, which incorporated the concept of airlift into traditional vacuum preloading. The innovative approach involves intermittent injections of pressurized air at the bottom of the PVD.
X. Lin, L. Shi, K. Yao, K. Wang, Y. Cai
openaire +1 more source
Slurry improvement by vacuum preloading and electro-osmosis
Proceedings of the Institution of Civil Engineers - Geotechnical Engineering, 2018Vacuum preloading–electro-osmosis is one of the most useful ground improvement methods for soft soil but is not widely used in practical engineering because of its high power consumption and poor electro-osmotic efficiency in the later stages. To overcome these drawbacks, a new method – vacuum preloading with stepped-voltage electro-osmosis – is ...
Xiaobing Li +7 more
openaire +1 more source