More Articles for admixtures

Plant Management of RAP/RCA

Better Roads Staff - Nov 06, 2013

Plant Management of RAP/RCA

Processing and storage makes reclaimed asphalt pavement and recycled concrete aggregate useful as aggregate.   By Tom Kuennen, Contributing Editor   In the past two decades, reclaimed asphalt pavement (RAP) and recycled concrete aggregate (RCA) have taken their places among materials commonly used for ...

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RoadScience

Better Roads Staff - May 06, 2012

RoadScience

A Concrete Solution: Admixtures Change PCC Performance By Tom Kuennen, Contributing Editor Portland cement concrete (PCC) is the most widely used structural material in transportation infrastructure, and it’s widely used for pavements as well. But the control of freshly mixed PCC properties is ...

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RoadScience: Corrosion -- the enemy within

Brooke Wisdom - Feb 01, 2010

RoadScience:  Corrosion -- the enemy within

Research continues to produce new options for owners and designers to save concrete bridges. By Tom Kuennen, Contributing Editor Corrosion of reinforcing steel in concrete bridges degrades bridge decks and other superstructure elements — in addition to substructures — by ...

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