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GSSI PaveScan Mix Design Module

GSSI, a manufacturer of ground penetrating radar (GPR) equipment, highlights the PaveScan RDM 2.0 and PaveScan Mix Design Module (MDM) for asphalt density assessment.

Using PaveScan MDM and RDM gives paving contractors a comprehensive and accurate view into pavement quality without the expense, risk and errors from spot coring. More importantly, reducing the need to core exposes fewer workers to the dangers of work zones.

PaveScan RDM is ideal for uncovering problems that occur during the paving process, including poor uniformity and significant variations in density. By avoiding these problems, PaveScan RDM helps avoid such premature failures as road raveling, cracking, and deterioration along joints, according to the manufacturer.

This system automatically measures the dielectric value to identify anomalies in realtime. In addition, the dielectric values can be used as a means to correlate percent voids and density in new pavement. The innovative technology enables users to obtain critical density data for QA/QC of new pavements. Unlike other options, like nuclear density gauges or radioactive alternatives, PaveScan does not result in any site hazards or require closing off work areas.

Seamlessly integrating with GPS systems, PaveScan features a flexible, modular design that facilitates easy and efficient operation and data collection. It is offered as a single sensor or a three-sensor cart based configuration.

PaveScan MDM transforms the RDM into a powerful

new quality control tool for asphalt density assessment. It is sensitive to subtle changes in aggregate, mix, and moisture, and can be used to immediately alert paving contractors to inadvertent changes in the aggregate mix. Users can compare daily samples against approved mix designs to detect any deviations and fix problems before the mix is deployed in the field. One five-minute lab test enables users to accurately reveal problems before any need for silo dumps or other costly remediation. PaveScan MDM users also can create a digital library of mix designs. PaveScan MDM provides a calibration curve that can be used to accurately show density variability within the asphalt mat. Such a precise degree of process control ensures that all bridge decks and longitudinal joints can be rolled properly. By helping to avoid premature road failures such as raveling, cracking and deterioration along poorly compacted joints, PaveScan technology builds better quality longer lasting roads, according to the manufacturer. For more information on PaveScan RDM visit https://www.geophysical.com/products/pavescan-rdm. For more information on PaveScan MDM, visit https://www.geophysical.com/productslite/pavescan-mdm. 

Wirtgen’s Paver Delivers Even Distribution, Meets Base Specs

WIRTGEN from page 60

* Technical testing regulations for evenness measurements on road surfaces in longitudinal and transverse directions. A clear sign of the quality that can be achieved only with a perfectly coordinated team and the right equipment, as Hendrik Wendt, Site Manager & Concrete Technologist, HIB Infra GmbH & Co. KG subsequently explained: “On this project, we once again enjoyed the excellent experience of working together with the team from Wirtgen.

“The team provided excellent advice and valuable support in both the planning phase and as on-site consultants. Not least thanks to this, we were able to complete the project on time with as good as no problems at all on the construction site.”

Facts, Figures: Extension Project at Keflavik Air Base

Project Dimensions • Parking apron length: 918 ft.; • Parking apron width: 771 ft.; • Hazardous cargo pad length: 394 ft.; • Hazardous cargo pad width: 249 ft.

Paving Data • Specified cross-slope: ≤ 1 percent; • Paving width: 25 ft.; • Paving thickness: 16 to 18 in.; • Daily paving performance: 1,177 cu. yds.; • Overall paved surface area: approximately 89,700 sq. yds.

General • Construction contractor: HIB Iceland

Ehf; • Project timeframe: 07–09/202;1 • Wirtgen machines deployed: SP 62i.

For more information, visit www.wirtgengroup.com. 

Roads must be built. Worlds must be connected.

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Peoria, Quad Cities Projects Highlight Year Four of ‘Rebuild Illinois’

Entering Year Four of Rebuild Illinois, the Illinois Department of Transportation announced multiple projects in the Peoria and Quad Cities area are under way or planned. Twelve major projects in Peoria represent a total investment of $245.3 million, improving safety and mobility while sustaining and creating good-paying jobs throughout the region. Of these projects, 10 of them are scheduled to be completed in 2022, with the remaining two in 2023.

Seven major projects in the Quad Cities area represent a total investment of $55.78 million, improving safety and mobility while sustaining and creating good-paying jobs throughout the region. Five of the seven projects are scheduled to be completed in 2022. Peoria Projects

Eastbound McClugage Bridge replacement began spring of 2019 and is estimated to be open in fall 2023, with demolition of the existing eastbound bridge to occur in 2024.

Pinecrest Drive over Interstate 74 replacement will finish late this summer after starting in 2020.

Western Avenue from Adams Street to

Lincoln Avenue reconstruction began last year and is scheduled to be completed in December.

Interstate 474 from the Illinois River to

I-74 resurfacing began last summer and will be completed in November.

Illinois 74 from Morton to Goodfield

painting, bridge overlay repairs and joint/bearing replacement work began last year and scheduled to be completed later this spring.

I-74 and I-474 and Illinois 6 interchange structure repairs and bridge deck overlay work began last year and are scheduled to be complete this spring.

McNaughton Bridge over the Illinois

River in Pekin rehabilitation, joint replacement and deck repairs began in 2021 and scheduled to be completed this summer.

Illinois 8 structures: Nixon Run, Warsaw Creek and Kickapoo Creek

Tributary structural overlay and joint repairs began in early April and scheduled to be completed in August. Traffic reduced to one lane operated by traffic signals.

U.S. 24 1 mile west of Mapleton superstructure replacement began in early April and scheduled to be completed in October.

I-74 from east of Morton to Woodford

County line resurfacing began in early April and is scheduled to be completed in November.

Broadway Road from Veterans Drive to

Springfield Road resurfacing and drainage improvements began in March and are scheduled to be completed in the summer of 2023.

Courtland Street from Walton Avenue

to Main Street in Morton reconstruction and widening work begins in May and is scheduled to be completed in November.

Quad Cities Projects

Interstate 280 over the Mississippi

River (Sgt. John F. Baker Jr. Bridge) began the second year of a three-year bridge deck replacement project in March. Construction shifted in the eastbound lanes after the westbound lanes were completed in 2021. This year’s work is scheduled to be completed in November.

Interstate 74 in Henry County pavement patching from the Interstate 74/80/280 interchange to Illinois 81 began in March and finished in May.

Colona Road/Avenue of the Cities in

East Moline and Silvis pavement patching was completed in April. The repairs were from Kennedy Drive in East Moline to Hospital Road in Silvis.

I-74/280 over Shaeffer Creek in Coal

Valley began in May. Work includes replacing bridge expansion joints and steel repairs. The project is scheduled to be completed in July.

Interstate 74 in Moline will begin landscaping from the Mississippi River bridge to the Avenue of the Cities this summer. This project concludes this fall.

Illinois 192 in Edgington construction will begin in July to resurface the highway from 123rd Street West to 140th Street West. This project concludes in September.

Centennial Bridge (U.S. 67) over the

Mississippi River in Rock Island repairs to structural steel, hanger and other related items begin this fall. The first stage of work will continue until winter before resuming in spring.

Passed in 2019, Rebuild Illinois is investing a total of $33.2 billion over six years into the state's aging transportation system, creating jobs and promoting economic growth. Rebuild Illinois is not only the largest capital program in state history, but also the first that touches all modes of transportation: roads and bridges, transit, waterways, freight and passenger rail, aviation, and bicycle and pedestrian accommodations.

Accomplishments through March include approximately $7.3 billion of improvements statewide on almost 3,800 mi. of highway, more than 370 bridges and nearly 550 additional safety improvements.

For more information, visit idot.click/Rebuild-Illinois. 

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HAYDEN-MURPHY EQUIPMENT COMPANY

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KELBE BROTHERS EQUIPMENT CO.

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KIRBY-SMITH

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WILSON EQUIPMENT COMPANY

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CHRISTOFANO EQUIPMENT CO., INC.

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