Method for the Mixing Design and Physical Characterization of Air-Foamed Lightweight Clay Concrete: A Response to the Issue of Recycling Dredged Sediments
2024

Mixing Design and Characterization of Air-Foamed Lightweight Clay Concrete

publication 10 minutes Evidence: moderate

Author Information

Author(s): Zambon Agnès, Sbartaï Zoubir Mehdi, Sayouri Nadia, Koenders Eddie

Primary Institution: Laboratoire de Génie Civil et Géo-Environnement, University Lille, IMT Nord Europe University Artois, Yncrea Hauts de France, ULR 4515-LGCgE, Lille, France

Hypothesis

Can air-foamed lightweight clay concrete be developed using dredged sediments while achieving desired mechanical properties?

Conclusion

The study successfully developed a lightweight clay concrete that meets density and strength requirements for embankment applications.

Supporting Evidence

  • The study developed a mathematical model to optimize the mixing design for desired density and strength.
  • Results showed that the compressive strength of the concrete can reach up to 2.42 MPa.
  • Air foam incorporation was found to significantly reduce the density of the concrete.

Takeaway

This study shows how to make a special type of concrete using dredged mud and air bubbles to make it lighter and strong enough for building.

Methodology

The study involved creating a mixture of dredged sediments, cement, and air foam, followed by testing for density, workability, and compressive strength.

Limitations

The study did not explore all possible variations of sediment types and their effects on the concrete properties.

Digital Object Identifier (DOI)

10.3390/ma17246248

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