Polymer Concrete Mechanical Properties and Applications
Summary
Polymer concrete, a composite material in which a polymeric binder replaces hydraulic cement, exhibits rapid strength development, low permeability and exceptional resistance to chemical and environmental attack. Its mechanical behaviour is governed by the choice of resin, the grading and type of aggregate, and the quality of the resin–aggregate interface. Key performance metrics include compressive and flexural strength, tensile capacity, impact resistance, modulus of elasticity and thermal expansion characteristics. Owing to its rapid cure, high adhesion and durability, polymer concrete is widely used for structural repair mortars, protective linings in industrial plants, acid‐resistant vessels and elements in accelerated bridge construction. Recent advances in fibre reinforcement, nanomodification and the incorporation of recycled or industrial by-products have enhanced toughness, reduced brittleness and opened new sustainability pathways. By tailoring the microstructure and interfacial bonding, researchers continue to optimise deformability, bond development with existing substrates and long-term dimensional stability for diverse service conditions.
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Polymer Concrete Mechanical Properties and Applications publication trend
The graph below shows the total number of articles in polymer concrete mechanical properties and applications across all publications each year (not limited to Nature Index journals).
Technical terms
Polymer concrete: A composite material in which a polymer resin binds aggregates instead of cement.
Compressive strength: Maximum compressive stress a material can withstand before failure.
Flexural strength: Maximum stress in a material at failure under bending.
Modulus of elasticity: Ratio of stress to strain in the elastic deformation region, indicating stiffness.
Coefficient of thermal expansion: Measure of dimensional change of a material per unit temperature change.
Setting shrinkage: Volume reduction of polymer concrete during curing due to chemical crosslinking.
Development length: Minimum embedment length of reinforcing bar required to develop its design strength.
Microstructure: Internal arrangement of binder, aggregates and any reinforcing phases at the microscopic scale.
References
- Deformability of Bisphenol A-Type Epoxy Resin-Based Polymer Concrete with Different Hardeners and Fillers. Applied Sciences (2020).
- Polymer Concrete for Bridge Deck Closure Joints in Accelerated Bridge Construction. Infrastructures (2019).
- Mechanical Properties and Resistance to Acid Corrosion of Polymer Concrete Incorporating Ceramsite, Fly Ash and Glass Fibers. Materials (2019).
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