Concrete Mixing Techniques and Performance Properties
Summary
Concrete’s performance properties—encompassing workability, strength development, durability and energy demand—are intimately tied to the mixing stage. Mixer design (drum, twin-shaft, pan) and operational parameters such as speed, time, energy input and sequence of material addition govern the dispersion of cement particles, aggregates, water and admixtures. Techniques including two-stage mixing, high-shear mixing and vibratory mixing have emerged to enhance homogeneity, accelerate strength gain and reduce segregation. The strategic incorporation of mineral admixtures (for example fly ash or ground granulated blast-furnace slag) interacts with mixing dynamics to tailor rheological behaviour, heat of hydration and long-term performance. Innovations in mixer geometry and protocol aim to lower cement content, minimise blade wear and meet stringent sustainability targets. Improved understanding of the relationship between mixing energy and concrete yield stress has led to more precise quality control in ready-mixed concrete production. Globally, these advances support sustainable construction by enabling high-performance formulations, the use of recycled materials and optimised processes for infrastructure, marine and high-rise applications.
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Concrete Mixing Techniques and Performance Properties publication trend
The graph below shows the total number of articles in concrete mixing techniques and performance properties across all publications each year (not limited to Nature Index journals).
Technical terms
Compressive strength: Maximum axial load a concrete specimen can sustain per unit area, indicating structural capacity.
Workability: Ease with which fresh concrete can be mixed, placed and consolidated without segregation.
Rheology: Study of the flow and deformation behaviour of fresh concrete under applied stress.
Admixture: Substance added in small quantities to concrete to modify properties of the fresh or hardened material.
Vibratory mixing: Technique that employs mechanical vibrations during mixing to improve dispersion and reduce mixing time.
References
- Effects of a two-stage mixing process on the characteristics of concrete: Part I - Hardened concrete characteristics. Results in Materials (2024).
- Experimental study on the influence of high-frequency vibratory mixing on concrete performance. Science and Engineering of Composite Materials (2023).
- Effects of Admixtures on Energy Consumption in the Process of Ready-Mixed Concrete Mixing. Materials (2022).
- Energy Consumption of Self‐Compacting Concrete during Mixing and Its Impact on the Yield Stress Measured in the Ready‐Mix Concrete Plant. Advances in Civil Engineering (2021).
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