Industry News

CP Tech Center Announces Overlay Performance Report

The CP Tech Center announced a new study on pavement overlay performance. “Automated Plate Load Testing on Concrete Pavement Overlays with Geotextile and Asphalt Interlayers: Poweshiek County Road V-18,” offers an assessment of the performance of unbonded concrete overlay sections applied in 2008–2009.

The  authors (David White and Peter Taylor) compare overlays constructed in 2008 to 2009 using an asphalt interlayer or a non-woven geotextile fabric interlayer. 

One of the findings was the concrete overlays placed over the geotextile exhibited lower permanent deformation than those placed over asphalt interlayer.

Click here to see the report.

ACPA Participates in Road Gang Meeting

Leif Wathne participated in the latest meeting of the Road Gang, which bills itself as Washington’s Highway Transportation Fraternity.  Keynote speaker Steve Davis, Director of The Boring Company, presented insights and updates on the infrastructure and tunnel construction company that aims to dig tunnels efficiently to facilitate an underground transportation network.  Founded by Elon Musk, the Boring Company 

“To solve the problem of soul-destroying traffic, roads must go 3D, which means either flying cars or tunnels. Unlike flying cars, tunnels are weatherproof, out of sight and won’t fall on your head,” according to Davis’ event bio. “A large network of tunnels many levels deep would fix congestion in any city, no matter how large it grew.

“The key to making this work is increasing tunneling speed and dropping costs by a factor of 10. Fast to dig, low cost tunnels would also make Hyperloop adoption viable and enable rapid transit across densely populated regions, enabling travel from New York to Washington, DC, in less than 30 minutes.” Click here for more information about the company.

 

 

 

Final Registration Deadline Nears for Mid-Year Meeting

The countdown to the ACPA Mid-Year Meeting continues, and with the meeting now less than two weeks away, ACPA is reminding members and guests of these important points: 

Report Offers Pavement Smoothness Guidance

A recent report offers by the ACPA/IGGA Pavement Preservation Partnership offers some valuable information on industry-developed concrete pavement smoothness specifications.

Written by Larry Scofield, the report was presented to Caltrans and concrete pavement contractors in California, but draws on both historical and current technical information that reflects ACPA’s long-standing leadership on concrete pavement smoothness specifications and other guidance (including incentives, relative costs, and other smoothness related information).  Click here to download/view the report.

 

Professors’ Seminar Slated for July

The PCA Education Foundation’s Professors’ Workshop is schedule for July 23 through 27 at the PCA campus in Skokie, Ill.

“Teaching Concrete Materials, Pavements, and Structures (Buildings & Bridges)” is geared toward university faculty in engineering, architecture, and construction management programs, and is designed to provide tools and resources to teach the latest developments in concrete design, construction, and materials.

The week-long event includes networking opportunities to exchange ideas with professors from many universities,  as well as to see demonstrations by software
vendors and free resource materials. Click here to see a draft “week at a glance” schedule. Click here to register online.
 

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