To Prevent Failure, Begin with Better Bases

Better Roads Staff - May 06, 2013

Fatigue cracking usually links to inadequate road foundations By Tom Kuennen, Contributing Editor Fatigue cracking in bituminous pavements is experienced by the public so often that it is considered just part of driving. Motorists endure it and assume it’s just part of ...

Road Science

Better Roads Staff - Jun 09, 2012

Spreading the Wealth Asphalt emulsions mix oil with water As pavement preservation techniques tighten their beachheads in state, county and municipal road agencies, new attention is focused on surface treatments, thin asphalt surfacings and the asphalt emulsions that make them possible. Asphalt emulsions ...

RoadScience

Better Roads Staff - May 06, 2012

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 ...

Road Science

Better Roads Staff - Dec 02, 2011

Speeding Up Time The multiple values of accelerated bridge replacement The cost of user delays in an era of unbridled traffic congestion is driving today’s fast-paced bridge erection technology, and it’s being encouraged by the Federal Highway Administration (FHWA) in partnership with ...

RoadScience

Brooke Wisdom - Jan 01, 2011

Ternary Concrete Mixes Offer High Performance Reclaimed industrial byproducts play role in high-performance and ultra-high-performance mixes By Tom Kuennen, Contributing Editor Ternary and quaternary portland cement concrete mixtures – those incorporating three or four products into their cementitious components – are providing transportation ...