Association News

LTIP Meeting Update

A web conference of the FHWA’s Long-Term Infrastructure Performance (LTIP) technical working group this week provided an opportunity to discuss research ideas, according to Larry Scofield.

The FHWA presented their prioritized listing of research ideas for developing problem statements to the AASHTO COMP by July 1, he says. The group discussed, edited, and prioritized the research ideas. Three of the ideas were recommended for development into problem statements and submission to AASHTO. The FHWA asked for volunteers to help develop the problem statements.

The LTIP programs include both the Long-Term Pavement Performance Program and the Long-Term Bridge Performance Program.

Thin Concrete Overlay Exceeds its Design Life

When county officials decided to place a 1.25 mile concrete overlay in Manitowoc County, WI, it was with the understanding the pavement would last about 10 years.  The pavement, at 19 years, is still in service, which is remarkable considering it’s only 4 in. thick through most of the section.

Kevin McMullen and Jackie Spoor of the Wisconsin Concrete Pavement Association, along with Jerry Voigt of ACPA National, had an opportunity to inspect the pavement recently.

Kevin attributes the overlay’s longevity to several factors. “It has good grade, the shoulders are in good condition and there’s no heaves or sign of collapsing, and there are really no changes in the overlay,” he says. “It just keeps taking loads as it’s intended to do.”

Kevin credits the County Commissioner at the time, Gary Kennedy, for his efforts in providing accurate traffic counts, including truck traffic, and for supporting the decision to use concrete.

The two-lane concrete overlay was placed on County Trunk Highway “R” (Rapids Road) from Menasha Ave. to Waldo Blvd. The fiber-reinforced concrete overlay was placed over an existing asphalt overlay, which had been placed on the original concrete highway.

Vinton Construction Company constructed the project, and Kevin credits communication between the contractor and the county as an important factor in the success of the pavement. The pavement runs through a residential area that also has a few restaurants and a Vinton plant at one end of the section.

One lane was closed to traffic for construction, leaving one lane open to traffic at all times. One lane of traffic was kept open at all times, and the paved sections were re-opened to traffic within 24 hours.

The contractor completed the paving in three days—two days in one direction and one day in the other direction to pave the 14-ft sections (11 ft.-wide lanes and 3 ft. shoulders). The project was the recipient of a “Gold” award in the 2002 ACPA “Excellence in Concrete Pavement Awards,” and has endured with little to no maintenance.

Even so, the pavement is ready to be rehabilitated. “The pavement is fatigued,” Kevin says, adding that he is working with the current County Commissioner Marc Holsen, who has been collecting pavement cores and soil borings, and covering the basics necessary to ensure the next pavement solution is a durable one.

“We’re working through details on designs and other recommendations,” Kevin says. While it’s too early to tell what the final solution will be, the aim is to provide a pavement solution that may exceed its design life.

ACPA R&TI Committee Meets

The ACPA Research, Technology and Innovation (RT&I) functional group had their inaugural kick- off meeting in late May. The meeting was chaired by Matt Fonte of Castle Rock Construction and Jim Mack of Cemex (and past-Chairman of ACPA). 

Dr. Mark Snyder and Larry Scofield serve as liaisons to the functional group. In advance of the meeting, an RT&I Operating Framework and Scoping Document was sent to the full committee (15 members) for review and comment. 13 of the 15 members participated in the web/phone conference. The main goal for the meeting was to identify ideas — with “ideas” being anything that will move the market. After an overview of the functional group and its goals, each member provided their ideas, thoughts, and impressions. A table of ideas will be developed and posted on a Google documents for the group to share.

Other members of the functional group include: Jeff Borden, Cold Spring Construction Co.; Gary Fick, The Transtec Group, Inc.; Ron Guntert, Guntert & Zimmerman Const. Div., Inc.; Paul Jaworski, Minnich Manufacturing; Tyler Jensen, Ash Grove Cement Company; Kevin Klein, GOMACO Corporation; Tim Lewellen, Boh Brothers Const. Co., LLC; Tyler Ley, Oklahoma State University; Kevin McMullen, Wisconsin Concrete Pavement Association; Charles Nmai, Master Builders, Russell Perry, Wirtgen America Inc.; Michael Redmond, REXCON; David Sciullo, Golden Triangle Construction Co., Inc.; Gordon Smith, CP Tech Center; and Charles Stuart, Southwest Concrete Pavement Association.

ACPA Releases New Educational Video

“Why Use Concrete” is the latest educational video produced by ACPA. In addition to developing a national edition, ACPA worked with a chapters and a contractor to produce localized versions. 

Scott Mueller collaborated with the Australian Cement & Aggregates Association, which shared their video framework. ACPA added local images and an updated script. 

“The purpose of the ‘Why Use Concrete’ videos is to help provide a good platform or baseline of understanding for why concrete should be selected as the paving product of choice,” he says.

The videos highlight features and benefits of concrete pavement, including sustainability, resilience, reduced noise compared to over paving systems. Click here to view the video in ACPA’s YouTube channel.

Pavement Preservation Webinars Begin

The webinar team has added a fourth webinar to the concrete pavement preservation series.

Here’s a preview of upcoming webinars:

  • June 9th–Concrete Pavement Preservation II: Concrete pavement evaluation and strategy selection with case studies. Presenters: Steve Tritsch (CP Tech Center) and John Donahue (MO DOT).
  • June 16th–Concrete Pavement Preservation III: Concrete pavement preservation treatment construction with in field examples, including case studies. Presenters: John Roberts (IGGA) and Randy Everett (AZ DOT).
  • (New) June 23rd–Concrete Pavement Preservation IV: Concrete Pavement Management and Preservation performance and resources. Presenter: Dr. Mike Darter, Applied Research Associates, Inc. (and Emeritus Professor, University of Illinois).

The first webinar in this series was held yesterday and drew about 655 participants. Larry Scofield and Angela Folkestad presented on concrete pavement management and preservation. The webinar covered concrete pavement management and preservation including actual examples and case studies.

The pavement preservation series follows the successful 5-part series on concrete overlays and two-part series on ADA guidelines in design & construction.  In all, the eight webinars (11 sessions plus video replays) presented thus far have reached more than 5,500 agencies/owners, consultants, and industry officials.

After the June 23 session, we will shift to a summer schedule that will be once per month until November. More details will be provided soon.

The webinars are the result of the collaborative efforts of ACPA, the CP Tech Center, IGGA, and the ACPA chapter network.

Click here to register for the pavement preservation webinars.

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