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Achieving a better profile

Quality Control Technology Guide

High-speed profilers allow for data storage as fine as every inch of the surface, allowing contractors to pinpoint the location of trouble spots.

Improvements in technology have lead to the development of multipoint laser systems that analyze a broader footprint to eliminate any false number elevations cased by the surface texture, commonly found on some open-graded asphalt and SMA mixes.

Supplied in kit form, high speed profilers fit into any two-inch receiver on the company's own fleet vehicle.

Shelly Company owns three high speed profilers, which roam between the company's 20-plus paving crews.

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"Its relative light weight enables contractors to get on the slab the next day to collect profile data," Reid explains. "This data is critical to help determine and diagnose problems with string line setup, paver controls or concrete placement in front of the paver."

A few years after the introduction of Lightweight Profilers, the industry began to see the first high speed profilers like the Ames 8200 models owned by the Shelly Company.

Supplied in a "kit" form, these profilers do not require a specialty vehicle, as this new generation unit mounts quickly to any two-inch hitch receiver in the contractor's own vehicle fleet.

Higher speeds enable a profile to be efficiently taken on every lift and at multiple sites. Shelly Company uses its three profilers to measure smoothness for 20 paving crews.

"The higher speeds allow us to cover more paving crews in a shorter period of time," Shively says.

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