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Shot blast texturing enhances pavement friction performance

Jul 02, 2014

Shot blast texturing enhances pavement friction performance

A different kind of concrete pavement treatment is shot blasting, also called shot abrading. “Surface texture and friction are the main factors affecting the safety of pavements,” says Yetkin Yildirim, P.E., director of the Texas Pavement Preservation Center at the University ...

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Why Telematics Matter

Jul 02, 2014

Why Telematics Matter

By Tina Grady Barbaccia, Editor-at-Large tinabarbaccia@gmail.com   Telematics. It’s a buzzword in the construction industry. Although it’s not a brand-new concept, and the penetration of telematics on the construction equipment industry as a whole is still somewhat low, equipment operators are starting to ...

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The Traffic Fatality Mystery of 2012

Jul 02, 2014

The Traffic Fatality Mystery of 2012

By Kirk Landers, Editor Emeritus   A year ago, the National Highway Traffic Safety Administration (NHTSA) raised eyebrows in the road industry with a report showing traffic fatalities in the United States rose a tad more than 3 percent in 2012 after ...

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In the Groove with Diamond Grooving and Grinding

Jul 02, 2014

In the Groove with Diamond Grooving and Grinding

Diamond grooving and grinding are being used to restore rough or polished concrete pavements to ultrasmooth conditions and quell noise – but at a price. By Tom Kuennen, Contributing Editor Diamond grooving and grinding of aging portland cement concrete (PCC) pavement renews ...

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Choosing the Right Machine for Proper Soil Compaction

Jul 02, 2014

Choosing the Right Machine for  Proper Soil  Compaction

Experience, type of soil, method specification and available equipment are all part of making this decision. (Editor’s note: This excerpt first appeared in The Cat Paving Products Guide to Soil Compaction. The book is available on Amazon.com and through participating Cat ...

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How one Iowa engineer maintains a county with mostly gravel roads

Jul 02, 2014

How one Iowa engineer maintains a county with mostly gravel roads

Located in the heart of the Mississippi River Valley; Clayton County, Iowa, is a far cry from the expansive flatlands associated with the rest of the state. Bordering Wisconsin, the county is exemplified by its abundance of streams and rivers, ...

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Down to the Dirt: Intelligent and new technologies are revolutionizing soil compaction

Jun 06, 2014

Down to the Dirt: Intelligent and new technologies are revolutionizing soil compaction

Intelligent compaction – matched with more productive operational control systems – is revolutionizing the commonplace world of dirt rolling. Yesterday’s slow-but-steady soil compactor now communicates with satellites, logs performance, saves fuel, pollutes less and is more productive. It’s all done natively, ...

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Fighting Thermal Segregation

Jun 05, 2014

Fighting Thermal  Segregation

A temperature bar can provide a thermal profile in real time. A system that allows detection of thermal segregation in the asphalt mat – in real time – and records a thermal profile is being used now by some state Departments ...

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Geosynthetics of all types speed construction

May 07, 2014

Geosynthetics of all types speed construction

Geosynthetics of all types speed construction allowing bridges, highways to be built faster and enhance pavement performance Geosynthetics comprise a family of value-added products that allows bridges, highways and roads to be built faster, cheaper and to last longer. Some geosynthetics enhance ...

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Geosynthetics speed construction

May 01, 2014

Geosynthetics speed construction

Geosynthetics Speed Construction While Enhancing Pavement Performance Geosynthetics comprise a family of value-added products that allows highways, roads and bridges to be built faster, cheaper and longer lasting. Some geosynthetics enhance pavement longevity by separating good materials from bad. Some promote water flow ...

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Seal or no Seal? That is the Question

Apr 12, 2014

Seal or no Seal? That is the Question

The debates continue, but here are some tips to determine the most effective strategy for your agency, whether it’s seal or no seal, for pavement performance and life-cycle cost. In the long run, does it pay for an agency to seal ...

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Public vs. Private Distinction

Mar 07, 2014

Public vs. Private Distinction

Why knowing the allowable timeline to bring a lawsuit is important The distinction between a public and private work of improvement is an important one for contractors. Public works of improvements are subject to laws that do not affect private projects. For ...

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