Here’s How it Works

A recent technical report has found that traffic speed deflectometer devices (TSDDs) testing is time-efficient and suitable to identify weak sections and weak layers of pavements. The device used in the Tennessee research was the TSD from Greenwood Engineering. Here’s how it works…

Todd Hendricks of Pioneer Industrial Systems came up with the concept of a robotic maintenance vehicle, developed a RMV division of his company and partnered with SealMaster to make the vehicle a reality.

As mix designs evolve, controlling the fines being fed to the mixing drum is imperative to producing the quality product that will meet spec. To address this need, the team at CWMF Corp. developed a fines metering system for its portable Dust-Eater® baghouses.

The Ranger™ J20 mobile jaw crusher from Astec Industries, Chattanooga, is designed for the smaller to mid-range contractors working in tight spaces for applications such as recycling concrete or asphalt; processing sand and gravel, aggregate; or screening topsoil and other materials. Here’s how it works.

The team from Eagle Crusher’ RapiDeploy 1000 is designed to crush, screen, separate and stockpile—all in one pull. Here’s how it works.

Polymer-modified asphalt (PMA) is a premium product consisting of liquid asphalt binder combined with polymers to improve overall durability and in-service pavement performance. D&H Equipment, Blanco, Texas, offers production equipment for inline blending, milling and processing of PMA. Here’s how it works:

New data analysis equipment, software calculates PCI values for you

Of the cracking tests gaining popularity for their correlation to field results, the Indirect Tensile Asphalt Cracking Test (IDEAL-CT) scores near the top of the class. If your department of transportation (DOT) requires you perform this test on your balanced mix designs (BMD) or other mixes, here’s how to do it.