description of how asphalt paving mixtures are produced. Asphalt paving mixes made with asphalt cement are usually prepared at an asphalt mixing facility.
4.1 Introduction. The unit cost of road construction in dollars per kilometer is the sum of the subunit costs of the road construction activities.
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The most common use for Portland cement is in the production of concrete. Concrete is a composite material consisting of aggregate (gravel and sand), cement, and water.