Why Does Concrete Crack? Exploring Common Causes

Concrete is a durable and versatile material used in different construction projects. However, it is not immune to cracking. Understanding the reasons behind concrete cracking is crucial for avoiding this issue and ensuring the longevity of your home structures. In this article, we will delve into the most common answer to the question, "Why does concrete crack?"

1. Plastic Shrinkage Cracks

One of the primary reasons for concrete cracking is plastic shrinkage. They occur when the concrete undergoes rapid moisture loss, usually due to changes in temperature or humidity. As moisture evaporates from the surface during the plastic state of concrete, it leaves behind voids that weaken the structure and make it susceptible to cracking.

2. Premature Drying

When the surface of the concrete loses moisture too rapidly, it can result in fine surface cracks. Though these cracks may be unsightly, they do not compromise the concrete's strength. Proper curing techniques can help prevent premature drying and minimize the occurrence of crazing cracks.

3. Expansion Cracks

Concrete can expand significantly during hot weather, generating immense stress on the slab. This expansion force can lead to cracks if the concrete and adjacent materials lack the flexibility to accommodate the expansion. Consequently, the concrete fractures under the pressure, causing noticeable cracks.

4. Settlement Cracks

Settlement cracks often result from voids created beneath the concrete surface. This can occur when a large tree is removed, or utility companies dig trenches for their lines or pipes. If these voids are not properly compacted, the concrete may sink, leading to cracks.

5. Weight Overloading Cracks

Despite its strength, concrete has weight limits. If excessive weight is placed upon the concrete, especially during its early stages before it fully cures, it can crack under the load. It is essential to allow concrete to cure for at least 48 hours before subjecting it to heavy loads, such as vehicles or equipment.

Conclusion

If you notice concrete cracks in your home, it's crucial to address them promptly to prevent further damage and ensure the structural integrity of your property. Ignoring these problems can lead to more extensive issues over time, potentially compromising the safety and stability of your home. Therefore, proactive steps to repair concrete cracks are essential for maintaining your property's long-term durability and value.

Don't hesitate to contact Spohr's Wet Basement Solutions for expert assistance in assessing and remedying concrete cracks. Our foundation repair company can provide professional guidance and solutions to help safeguard your home against moisture and structural issues. Call now to request a free estimate.