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Aggregate

“Aggregate” is a collective term for the mineral materials such as sand, gravel and crushed stone that are used with a binding medium (such as water, bitumen, portland cement, lime, etc.) to form compound materials (such as asphalt concrete and portland cement concrete). By volume, aggregate generally accounts for 92 to 96 percent of HMA … Read more »

 

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To better assess the impacts of e-Construction on US transportation construction deliveries, transportation software company Pavia Systems recently commissioned an e-Construction survey of project owners, owner’s representatives and contractors who build our roads, streets, highways and bridges.   The survey results are remarkable, to say the least, as they reveal exceptional performance among e-Construction adopters in … Read more »

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Initial Results of Survey Reveal Reach, Efficacy of e-Construction in Practice e-Construction, as defined by the joint FHWA-AASHTO initiative of the same name, is paperless construction administration and delivery. This includes electronic submission of all construction