I was going to invent a mobile drag

Pulled behind a pickup or SUV with acoustic monitoring of the sound waves - one section linear and another rotational. Chain dragging can be labor intensive and time consuming, and inconvenient to motorists and unsafe for inspectors.

In response to this post by Wythe Hokie

Posted: 11/14/2018 at 10:25AM

I just drove over a bridge in Radford, two lanes were closed and someone -- HokieSignGuy 11/14/2018 09:42AM

Trying to keep it from falling down would be my guess, go another route ** -- fordham 11/14/2018 10:54AM

They are checking for delamination in the concrete. -- Wythe Hokie 11/14/2018 10:11AM

And that link was exactly what I was trying to find before posting here -- HokieSignGuy 11/14/2018 10:31AM

Aaaahhhhh, bingo. makes sense... you can hear the voids in the concrete!! -- HokieSignGuy 11/14/2018 10:30AM

I was going to invent a mobile drag -- TomTurkey 11/14/2018 10:25AM

Is there anything out there like it? I imagine you can map a bridge pretty -- HokieSignGuy 11/14/2018 10:32AM

Ground penetrating radar and thermal mapping work well. -- TomTurkey 11/14/2018 10:37AM

... but then I got high ** -- Nova Hokie 95 11/14/2018 10:29AM

Hey, priorities ** -- TomTurkey 11/14/2018 10:30AM

Driving over a bridge is dangerous. I would drive across it next time. ** -- vt90 11/14/2018 10:05AM

What?! Please explain how I can't drive over a bridge. ** -- HokieSignGuy 11/14/2018 10:09AM

You can. Over sounds more like 'off'. Carry on. ** -- vt90 11/14/2018 10:12AM

Well, across sounds like you're going sideways -- JoesterVT 11/14/2018 10:14AM

Miami's new turnover chain? Warming up for the game? ** -- Tuckahokie 11/14/2018 10:00AM

I was going to invent a mobile drag

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