Repairs

Concrete cancer, also known as concrete spalling or concrete degradation, is a common structural problem that occurs in reinforced concrete structures. It is typically caused by the corrosion of steel reinforcement within the concrete.

Concrete cancer occurs when the steel reinforcement embedded within the concrete begins to corrode due to exposure to environmental factors such as moisture, oxygen, and chloride ions. This corrosion process leads to the formation of rust, which occupies a greater volume than the original steel, exerting pressure on the surrounding concrete.

As the rust expands, it causes the concrete cover to crack and delaminate, eventually leading to the formation of cracks, voids, and surface flakes, known as spalling. This deterioration compromises the structural integrity of the concrete, posing risks such as reduced load-bearing capacity, safety hazards, and aesthetic concerns.

Signs of concrete cancer may include visible cracks, rust stains, flaking or spalling concrete, and audible sounds of cracking or crumbling. It is essential to address concrete cancer promptly through thorough inspection, diagnosis, and remediation to prevent further deterioration and ensure the long-term structural stability of the affected concrete elements.

Regular inspection, maintenance, and proactive measures to address contributing factors are essential for preventing and mitigating the effects of concrete cancer, preserving the durability and safety of concrete structures over their service life.

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