Concrete is a durable, affordable, and widely used building material. However, like all materials, it can degrade over time, compromising the structural integrity of buildings. At CMC, we specialize in concrete strengthening to ensure your structures remain safe and reliable.
Method 1: CFRP
One key method for reinforcement is Fiber-Reinforced Polymers (FRP), particularly Carbon Fiber-Reinforced Polymers (CFRP). These high-strength fibers are woven into sheets and applied to existing concrete structures, significantly enhancing their load-bearing capacity and resistance to external stresses. It does this by:
- Load Transfer: CFRP sheets bind concrete slabs, columns, and beams, distributing loads to the carbon fibers and reducing stress on the aging concrete.
- Adhesive Bonding: A strong adhesive merges CFRP with concrete, creating a new, durable layer that prevents cracks and improves structural integrity.
- Non-Invasive Application: CFRP can be applied externally without expensive renovations.
- Thin Profile: CFRP doesn’t alter the concrete’s appearance.
- Corrosion Resistance: CFRP withstands chemicals and environmental elements.
- Custom Fit: CFRP is adaptable to various structural shapes.
Method 2: Post-Tensioning
Another method we often use is post-tensioning, where pre-stressed steel cables are placed within concrete forms before pouring. This method:
- Strengthens slabs, allowing for thinner, cost-effective slabs.
- Prevents cracks and is effective against concrete shrinkage.
- Long-lasting because it is resistant to corrosion with a long lifespan.
Method 3: Combining Methods
Both methods have benefits, so it's good to know you don’t have to choose between them. In many projects, CFRP and post-tensioning are used to maximize structural strength and durability.
Whether your project requires CFRP, post-tensioning, or both, CMC has the expertise to ensure your structures remain safe and strong. Discuss with your CMC sales representative or contact us today to learn more.