Electrochemical impedance spectroscopy of hardened compacted cemented soils at early curing stage
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Pengju Han
, Y. Frank Chen , Chao Ren and Xiaohong Bai
Abstract
Based on the theory of electrochemical impedance spectroscopy (EIS) and the properties of compacted cemented soils (CS) at different early curing time, an equivalent circuit model was developed to study the physical meanings of EIS parameters. EIS was also used to investigate the properties and hardened mechanisms of CS at different curing time. The relationships among the unconfined compressive strengths (UCS) of CS and EIS parameters are discussed. In addition, a useful multi-linear regression equation for UCS is proposed. The proposed model and EIS parameters help to understand the processing of cement hardened soils and the properties of CS. The study results offer more reasonable explanations for the EIS spectra.
Kurzfassung
Basierend auf der Theorie der elektrochemischen Impedanzspektroskopie (EIS) und den Eigenschaften von kompaktierten zementierten Böden (Cemented Soil – CS) bei verschiedenen frühen Behandlungszeiten wurde ein äquivalentes Kreismodel entwickelt, um die physikalische Bedeutung der EIS-Parameter zu untersuchen. EIS wurde außerdem angewendet, um die Eigenschaften und die Aushärtemechanismen von CS bei verschiedenen Behandlungszeiten zu untersuchen. Die Zusammenhänge zwischen den unbeschränkten Druckfestigkeiten (Unconfined Compressive Strength – UCS) und der EIS-Parameter werden im vorliegenden Beitrag diskutiert. Zusätzlich wird eine nützliche multilineare Regressionsgleichung für die UCS aufgestellt. Das propagierte Modell und die EIS-Parameter tragen dazu bei, die Verarbeitung von zementgehärteten Böden und deren Eigenschaften zu verstehen. Zudem liefern die Ergebnisse der Studie aussagekräftige Erklärungen für die EIS-Spektren.
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Articles in the same Issue
- Inhalt/Contents
- Inhalt
- Fachbeiträge/Technical Contributions
- Influence of the production process on the deformation and fatigue performance of friction drilled internal threads in the aluminum alloy 6060*
- Effect of quench and strain aging on the mechanical properties of low carbon microalloyed steels
- Effect of temperature on microstructure and mechanical behavior of diffusion bonded Armor 500 and AISI 1040 steels
- Analysis of industrial conditions during multi-stage cooling of C70D high-carbon steel wire rod
- Effect of cryogenic treatment on the microstructure and wear behavior of a T-42 tool steel
- Application of the response surface methodology in the ball burnishing process for the prediction and analysis of surface hardness of the aluminum alloy AA 7075
- The memory effect in polyolefinic products: A tool for confirming the steam sterilization process
- Neutron tomography in archaeology*
- Ultraschallprüfung von Betonbauteilen – laufzeitgesteuerte Gruppenstrahler mit Punktkontaktprüfköpfen
- Acoustic emission testing of surface roughness and wear caused by grinding of ceramic materials
- Electrochemical impedance spectroscopy of hardened compacted cemented soils at early curing stage
- Microstructure and pore fractal dimensions of recycled thermal insulation concrete
- Microstructure and tribological properties of electrolytic plasma nitrided high-speed steel
- Exploitation of limestone in brick making
- Effect of alkaline treatment on physico-mechanical properties of black rice husk ash filled polypropylene biocomposites
- Kalender/Calendar
- Kalender