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Physio-Microstructural Properties of Aerated Cement Slurry for Lightweight Structures.
Areej T Almalkawi1, Talal Salem2, Sameer Hamadna3
1Department of Civil and Environmental Engineering, Michigan State University, 3546 Engineering Building, E. Lansing, MI 48824, USA. almalkaw@msu.edu.
Materials (Basel, Switzerland)
|April 13, 2018
Summary
This study developed lightweight aerated cementitious slurry composites with reduced density (as low as 0.9 g/cm³). These materials offer a balance of mechanical properties and barrier qualities for construction applications.
Area of Science:
- Materials Science
- Civil Engineering
- Construction Materials
Background:
- Cementitious composites are vital for construction and repair.
- High binder density limits cementitious composites as alternatives to polymers.
- Aeration reduces density but compromises mechanical properties.
Purpose of the Study:
- To produce aerated cementitious slurry with balanced density, mechanical performance, and barrier qualities.
- To investigate nondestructive monitoring of strength development in aerated slurries.
Main Methods:
- Experimental program to produce and test aerated cementitious slurries.
- Density reduction via aeration.
- Assessment of mechanical properties and barrier qualities.
- Microstructural investigation.
Main Results:
- Achieved aerated slurries with densities as low as 0.9 g/cm³.
- Demonstrated viable mechanical and barrier qualities for composite production.
- Investigated potential for nondestructive strength monitoring.
Conclusions:
- Aerated cementitious slurries can achieve desired low densities while maintaining useful properties.
- These lightweight composites show promise for construction and repair applications.
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