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Every drop of water stored in our country’s reservoirs, water treatment plants, and behind dams is vital to the well-being of the population they serve and the local economy. This mission is even more crucial given that increasingly severe drought conditions have led to significant water loss in many parts of the United States. Shrinkage cracking threatens concrete water containment structures. One of the ways to prevent or minimize shrinkage cracking is using a magnesium oxide additive in the concrete mix.
More than 15,000 federal highway bridges in the U.S. need repair. Cracking creates stress on a bridge deck and allows water and salt ingress, leading to rust, crumbling, compromised structural integrity, and ongoing costly maintenance. Most concrete cracking is from shrinkage that occurs as the freshly poured concrete cures. Minimizing cracking from the start, with admixtures such as PREVent-C, can reduce costs and extend a bridge deck’s service life.
Thousands of bridges across the country need repair and modernization, with the impact on the economy going way beyond the cost of reconstruction. Part of this problem is the cracks that form on the surface of bridge decks, which will eventually need repair and replacement. Thanks to developments in admixtures, concrete practitioners are now able to significantly reduce cracking and keep traffic moving.
