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Frozen Culvert lower end, water erosion under 24" tube, now
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Posted 3/23/2019 12:41 (#7397028 - in reply to #7396989)
Subject: RE: Frozen Culvert lower end, water erosin under 24" tube, now



central - east central Minnesota -

4WD - 3/23/2019 12:16

Have a 20 year old 40 ft waterway culvert, under field dam/roadway, at roughly a 20-25 degree angle, going into a ravine/ditch. (24" round pipe)

 The bottom outlet was/is frozen during this quick Spring thaw and rainfall, and has undermined the culvert and washed away at least 8-12" of soil, (yes, in hindsight, I wished Dad or the Dirt contractor would have installed a Anti-seep collar, 20 years ago)

 

Is the only repair, hire a excavator, dig it out, repair trench, install Anti-seep collar, and reinstall?

Any type of grout or concrete slurry fixes????

 

Thanks

Pictures:

that's no big deal - If it's a true 24inch pipe (or even close), go purchase a apron/strap for the pipe (may as well get 2) and rap it around that end and tighten it down. May have to do some tack welding to keep it from slipping off or working it's way off from frost heaving on it. Then back fill and pack around it.

the water is swirling around it as it exits and caused the erosion. Some water may have come over the top of the road and caused some erosion too ?

Culvert Apron for 12" Culvert Pipe 16GA

 

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