A Guard Rail installer has installed couple hundred thousand pieces of rail without the required AAsHTO markings. I'm worried the rail came from China. We're testing the steels properties.
Anyone else in North America been down this road?
Thanks guys, the problem with correlating a nuke or non nuke to cored sample density tests is the results cannot be obtained quickly enough for the contractors. Our consultants turnaround time is 24 hr or greater, by that time the contractors got 3000 tonne on the road.
We'll typically do a...
Presently using core samples and nukes for Quality Assurance in asphalt paving. Contractors want to start using non nuclear devices....such as the Trans Tech PQI 301 or Pavetracker Plus 2701-b. Costs driving factor.
Question.......any links to good test data or comparitive results out there...