Automating Measurement of Pre Coated Chippings on Hot Rolled Asphalt
The contractor team had noticed an increased demand for hot rolled asphalt with pre coated chippings by clients as a long term surfacing solution for highways.
Whilst undoubtedly a strong product, measuring the spread rate of pre coated chippings, a key element of the hot rolled asphalt process, can be time-consuming, dangerous, inaccurate, inefficient, and costly. Poor measurement can lead to safety and quality issues.
The contractor team worked with their partners to develop a chipper-mounted system that automates measurement of pre coated chippings.
Using a thermal imaging system to differentiate between the hot asphalt and the cold chippings, real time data is generated as a percentage of the total area covered by chippings. This is converted to a kg/m2 measurement and update on site.
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Information provided by Eurovia Infrastructure Ltd
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Jack Endean
Partnerships and Innovations Manager
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