Lingwei Zheng
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View article: Study on the Effects and Mechanism of the Reinforcement of Soft Clay via Microbially Induced Carbonate Precipitation
Study on the Effects and Mechanism of the Reinforcement of Soft Clay via Microbially Induced Carbonate Precipitation Open
A series of microbial-induced carbonate precipitation (MICP) experiments were conducted using Sporosarcina pasteurii to reinforce coastal soft clay in Zhejiang. By analyzing the physical and mechanical parameters of samples of varying ages…
View article: Analytical model for electrokinetic remediation of contaminated soil
Analytical model for electrokinetic remediation of contaminated soil Open
Electrokinetic remediation (EKR) is an effective approach to eliminate heavy metal contaminants from soil and pore water. However, only a few studies have been conducted on related analytical theory because of the complexity of transport p…
View article: Electroosmotic reinforcement mechanism and laboratory tests of pulsating direct current with a high energy efficiency ratio
Electroosmotic reinforcement mechanism and laboratory tests of pulsating direct current with a high energy efficiency ratio Open
Based on the electroosmotic reinforcement mechanism of pulsating direct current (PDC) with a high energy efficiency ratio, the calculation method of PDC electroosmosis drainage rate was verified under different potential gradients using tw…
View article: Land Subsidence Characteristics and Numerical Analysis of the Impact on Major Infrastructure in Ningbo, China
Land Subsidence Characteristics and Numerical Analysis of the Impact on Major Infrastructure in Ningbo, China Open
For the construction and safe operation of major infrastructure in coastal cities, the impact of regional land subsidence that has occurred or is slowly proceeding deserves attention. Previous studies have mainly focused on the surrounding…
View article: Experimental Study of the Development of Soil Microstructure under the Electroosmosis Dewatering Process
Experimental Study of the Development of Soil Microstructure under the Electroosmosis Dewatering Process Open
Several laboratory experiments using scanning electron microscopy and mercury intrusion porosimetry were conducted to study the development of soil microstructure during electroosmosis dewatering process. The test results indicate that the…
View article: Laboratory Model Study on the Pile‐Forming Mechanisms and Bearing Deformation Characteristics of CFA Piles
Laboratory Model Study on the Pile‐Forming Mechanisms and Bearing Deformation Characteristics of CFA Piles Open
To study the pile‐forming mechanism and bearing deformation characteristics of continuous flight auger (CFA) piles, a series of procedures, including helical drilling, pulling up/grouting, and inserting cage/pile forming, were simulated in…
View article: Electro-osmotic Treatment of Dredged Sediment by Different Power Supply Modes: Energy Consumption and Electro-osmotic Transport Volume
Electro-osmotic Treatment of Dredged Sediment by Different Power Supply Modes: Energy Consumption and Electro-osmotic Transport Volume Open
Laboratory model tests were conducted in constant-voltage mode and constant-current mode for the one-dimensional electro-osmotic treatment of dredged sediment, with an approximately consistent initial electric power. The voltage, current, …
View article: Field Tests and Simplified Calculation Method for Static Drill Rooted Nodular Pile
Field Tests and Simplified Calculation Method for Static Drill Rooted Nodular Pile Open
In order to explore bearing characteristics of a new‐type static drill rooted nodular pile foundation (SDRN), which is composed of PHC pile, bamboo joint pile, and cement soils, field tests of three piles were carried out by embedding inte…
View article: Collapse episodes and remediation of subsidiary dam under construction of cut-off walls
Collapse episodes and remediation of subsidiary dam under construction of cut-off walls Open
The main problems faced with earth dams relate to leakage, landslides and cracking, which are in turn related to seepage under and through dams. The construction of the Huangbizhuang reservoir began in 1958, and impounding started in 1960.…
View article: Model tests for corrosion influence of electrode surface on electroosmosis in marine sludge
Model tests for corrosion influence of electrode surface on electroosmosis in marine sludge Open
The corrosion of metal electrodes is inevitable on electroosmosis in soil. Surface corrosion of electrodes is also one of the reasons for increasing energy consumption in electroosmosis treatment. A series of laboratory tests were conducte…