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Updated: Feb 15, 2026
05:04
Determining the Mechanical Strength of Ultra-Fine-Grained Metals
Published on: November 22, 2021
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Modelling the mechanical strength development of treated fine sediments: a statistical approach
Ishak Moghrabi1, Harifidy Ranaivomanana1, Fateh Bendahmane1
1a Research Institute in Civil and Mechanical Engineering - UMR 6183 CNRS, University of Nantes , Saint Nazaire , France.
Environmental Technology
|January 25, 2018
Summary
Sediment recycling faces challenges, but statistical analysis reveals key factors for mechanical resistance in stabilized sediments. Cement addition significantly boosts strength, while organic matter and plasticity influence outcomes.
Area of Science:
- Geotechnical Engineering
- Environmental Science
- Materials Science
Background:
- Sediment valorization (recycling) is crucial for sustainable waste management but faces practical limitations.
- Defining effective recovery methods for diverse sediment types remains a challenge.
- Quantitative assessment of mechanical properties is needed for reliable sediment stabilization.
Purpose of the Study:
- To quantitatively estimate the mechanical resistance of stabilized sediments using a statistical approach.
- To identify key sediment characteristics influencing mechanical resistance.
- To model the time-dependent evolution of mechanical resistance in treated sediments.
Main Methods:
- Compilation of a literature-based database of 22 fine sediments treated with various additives.
- Multivariate linear regression analysis (XLstat software) to model 28-day mechanical resistance.
- Least squares regression to model the time evolution of mechanical resistance.
Main Results:
- Organic matter content and plasticity index were identified as significant sediment characteristics affecting mechanical resistance.
- Cement was found to be the most effective additive for enhancing mechanical strength.
- An exponential relationship accurately modeled the evolution of mechanical resistance over time.
Conclusions:
- Statistical modeling provides a reliable method for predicting the mechanical resistance of stabilized sediments.
- Understanding the influence of sediment properties and additive type is key to successful valorization.
- The developed models demonstrate acceptable accuracy for practical applications in sediment recycling.
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