Unexpected Consequence
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I have a plastic pipe through the ditch in my front yard along the road, when they built the house they paved asphalt over the plastic pipe to make the driveway, needless to say the asphalt is all chunked up because every time I drive over it there's flex. It's a perfect line right over the pipe too, well defined, uniform area of destroyed pavement.
So yes, these things are pretty stout, huh....
So yes, these things are pretty stout, huh....
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4" of concrete will definitely support these trucks. The problem is somebody used 2x4 lumber to form that up ( 2x4s are really only 3.5") and then did a poor job of raking out the gravel under the concrete. Or worse put no gravel under the concrete. When you tear it out, You will find the cracked concrete is probably 2.5" thick.
The other possibility is with no gravel under the concrete, Water seeps in and freezes in the sand/soil under the drive water during the winter and heaves the concrete. After the frost is gone, you drive over it and it breaks because there is a void under the concrete.
The other possibility is with no gravel under the concrete, Water seeps in and freezes in the sand/soil under the drive water during the winter and heaves the concrete. After the frost is gone, you drive over it and it breaks because there is a void under the concrete.
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Franko72
Other; Brakes, Electrical, Hitches, Weight Distribution & CDL Discussion
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09-17-2011 08:53 AM