http://www.ruralhometech.com/fr/ditch.php
dirtworksequip said:I would not want to use large rock because you will get voids between them.
go with material that can be compacted. Are the soft spots caused by being wet or where they just not compacted when you made the driveway.
I dont know what caused them to be honest. The driveway was constructed with a d6 and he ran over it several times to compact it . The first rain we had several spots were pretty soft when I tried to drive a car over it. I made a roller out of a 55 gallon drum filled with concrete and have been useing it to compact the driveway and that seems to have improved conditions. I was going to use some kind of rock for a base while I am saving my money to pour concrete. From what I am seeing here it sounds like I probably want to use 3/4 inch gravel. We have a steel mill locally and there is someone that hauls slag for driveways. I was going to get that but the guy told me that If i was going to lay concrete the slag would react with the concrete and he recommended that I not use it.
gemini5362 said:The driveway was constructed with a d6 and he ran over it several times to compact it.
dirtworksequip said:gemini, there would be no problem using the mill slag. The problem he is refering to (I think) is that if slag is fresh all the gasses have not escaped from it. Thus causing some problem with the concrete. If you are not planning to concrete right away. No problem. The mill slag will way out preform any natural stone. But do what you think is right for you.
JimMorrissey said:Yep, I've laid down about 20 tandems (18 ton or so) of "surepak". Basically 3/4" minus material that does indeed pack like concrete. Just don't want to over-rake or grade it too much....That'll seperate the stone from the fines and leave a layer of loose rock on the top to deal with.