K2M Design offers concrete spall reporting for both commercial and residential clients throughout the Florida Keys and South Florida.
Spalling is a small fragment or chip, especially in concrete, which has broken up, flaked, or become pitted. This is a result of a combination of poor installation, construction materials and environmental factors that stress the concrete, resulting in structural damage to the reinforcing bars positioned inside the concrete. Concrete is a porous material that allows the transmission of water and humidity. Lower grade and insufficiently covered reinforcing bars allow more of this moisture to transverse the concrete and come in contact with the steel bars. This causes the steel to slowly rust and expand, causing expansion, cracks, and eventually failure in the concrete. As a result the concrete member loses most, if not all, of its designed structural capacity.
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