Engineered Cementitious Composite Materials and Mechanical Properties
Summary
Engineered Cementitious Composites (ECC) are a class of high-performance, fibre-reinforced cementitious materials designed via micromechanics to exhibit tensile strain-hardening and multiple microcracking. Comprising cementitious binders, supplementary materials and discrete fibres—often polyvinyl alcohol, polypropylene or hybrid steel and polymer—ECC achieves tensile strain capacities of several per cent, far exceeding conventional concrete. The tailored fibre–matrix interface promotes fibre bridging, limiting crack widths below 100 μm and enhancing durability. Compressive strengths range from 50 MPa in standard ECC to over 120 MPa in ultra-high-performance formulations, with improved flexural strength, fatigue resistance and fracture toughness. Recent advances include the use of low-carbon binders, recycled additives, and data-driven methods for property prediction. Applications span bridge decks, seismic-resistant elements and repair overlays, demonstrating global relevance in resilient and sustainable infrastructure.
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Engineered Cementitious Composite Materials and Mechanical Properties publication trend
The graph below shows the total number of articles in engineered cementitious composite materials and mechanical properties across all publications each year (not limited to Nature Index journals).
Technical terms
Engineered Cementitious Composites (ECC): A class of ductile, fibre-reinforced cement-based materials engineered for tensile strain-hardening and tight crack control.
Strain Hardening: A post-cracking phenomenon in which material stress increases with strain due to mechanisms like fibre bridging.
Tensile Ductility: The capacity of a material to sustain significant deformation under tensile loading before failure.
Fiber Bridging: The stress-transfer mechanism where fibres spanning cracks restrain crack opening and contribute to post-peak load carriage.
Crack Width: The aperture of a crack in hardened composite, critical to durability and service-life performance.
References
- Application of High-Performance Cementitious Composites in Steel-Concrete Composite Bridge Deck Systems: A Review. Journal of Intelligent Construction (2024).
- Fiber-Bridging Constitutive Law of Engineered Cementitious Composites. Journal of Advanced Concrete Technology (2008).
- Tailoring ECC for Special Attributes: A Review. International Journal of Concrete Structures and Materials (2012).
- Mechanical Properties of Hybrid Ultra-High Performance Engineered Cementitous Composites Incorporating Steel and Polyethylene Fibers. Materials (2018).
- Using Green Supplementary Materials to Achieve More Ductile ECC. Materials (2019).
- Predicting Mechanical Properties of High-Performance Fiber-Reinforced Cementitious Composites by Integrating Micromechanics and Machine Learning. Materials (2021).
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