22. Special Concrete and Concreting Methods – Polymer-Modified Concrete
Polymer-Modified Concrete (PMC) represents a significant advancement in concrete technology, enhancing durability, chemical resistance, and bonding properties through the integration of polymers. This chapter covers the types, mechanisms, mix design, preparation methods, properties, advantages, limitations, and future directions of PMC, emphasizing its applications in various construction scenarios.
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What we have learnt
- Polymer-Modified Concrete incorporates polymers to enhance properties like bond strength and impermeability.
- Different types of polymers, including acrylics and epoxy resins, significantly influence the performance of PMC.
- Proper mix design and preparation methods are crucial for achieving optimal performance in PMC applications.
Key Concepts
- -- PolymerModified Concrete
- Concrete that incorporates polymers to enhance properties such as strength and durability.
- -- Bond Strength
- The capability of PMC to adhere strongly to various substrates, crucial for repair and overlay applications.
- -- Mix Design
- A procedure that determines the proportions of materials to achieve desired properties in PMC.
- -- Durability
- The ability of PMC to withstand environmental conditions without significant degradation.
- -- Selfhealing Concrete
- A novel concrete that uses microencapsulated polymers to autonomously repair cracks.
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