SHRP

What you need to know about new material standards, design standards and construction guides from AASHTO’s Emulsion Task Force. What impact will the specifications have on pavement preservation treatments, including chip seal, micro surfacing and fog seal, as well as tack coats and cold recycled mixtures?

The Alaska Department of Transportation & Public Facilities is on the front line when it comes to promoting new technologies that give them continuous, full coverage asphalt pavement density testing for road paving projects. Continuous testing uses multiple inputs to look for failure zones and has a high probability of detecting defects before they lead […]

Long-life or perpetual pavements are designed and built to last longer than 50 years, requiring only a periodic mill and inlay of the surface layer. The pavement structure is designed using appropriate materials and layer thicknesses to prevent structural distresses that begin at the bottom of the pavement structure, such as bottom-up fatigue cracking and […]

As we discussed in the Vol.9, No.3 issue of AsphaltPro, liquid asphalt cement (AC) prices have seen a most welcome decline as petroleum prices have decreased during 2015. The article “Slow Your Roll” from the December 2015 edition (online at www.TheAsphaltPro.com) shared information on specific price trends. It also offered tips for equipping the asphalt […]

In the asphalt and aggregate industry, from the terminal to the quality assurance behind the screed, there are acronyms and abbreviations that tend to send us into a frenzy of tongue-tied and twisted confusion if we’re not fully caffeinated. I’ll cut to the chase. For this special World of Asphalt issue of AsphaltPro, here’s a […]