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Asphalt pavements are widely used for roads, parking lots, industrial surfaces, recreational surfaces, and walking trails. Asphalt pavements are made by combining rocks and sand to a particular recipe and then adding asphalt cement as the black sticky glue that holds the pavement together.
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Roads are intended for the safe and efficient transport of people and goods. Asphalt is the proven choice for roads. Ninety-four percent of all paved surfaces in the United States are paved with asphalt. Why is asphalt the number one choice by engineers worldwide?
Winter is a “hard” time for asphalt pavements, literally. Asphalt pavements are produced and constructed at high temperatures when the asphalt binder is a liquid so it can be easily mixed with the rocks and sand. During the spring, summer, and fall seasons, asphalt is flexible and stretchy in the warm weather, helping to prevent cracks from forming. However, as temperatures decrease during winter, the asphalt becomes harder and stronger, but also more brittle. Extreme cold temperatures can cause pavements to crack, but the most damage to pavements is caused by freeze-thaw cycles.