Fixing sunken driveway?

[Cooter]

i tried mud jacking. one word......chafe.

god bless.

How did I miss this gem?

[ceyko]

i tried mud jacking. one word......chafe.

god bless.

Awesome.

[black2002ls]

Cut it out and replace it, or this:


http://levelritellc.com/

I was looking at our cost to replace driveways today. On avrage we spend $2000 to cut, remove, and repour a driveway. Keep in mind though we are a home builder and use trades who do all of our construction.

I agree with mike, popping it out and repouring it is the only way to go

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[mikec]

Cut it out and replace it, or this:

http://levelritellc.com/

[mustang_revival]

[SEB]

I could come bring in some gravel & big rocks & dig it out & re fill it in. That's just a cheap way of fixing it.

[sdun]

My driveway has a section that sinks every summer and then comes back level in the winter. That is how much the ground shrinks when dry. The rains come and the ground swells and the drive is back level. That's why when you build a house on piers you want the soil as saturated as possible. If it dries(shrinks) it will pull away from the slab and your slab will not drop it will be resting on the piers.

[black2002ls]

Have you identified the reason it is sinking? It could be a busted clean out causing water erosion.

As for fixing, depending on the thickness, a lack of rebar structure could be an issue down the road. Also, the added weight of that much concrete could cause future issues if you have any sewer lines running under the driveway.I would lean towards cutting the section out and replacing, though that gets pricey

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[mstng86]

Its the pumping concrete under it part that I don't quite know how to do. I would assume you would need it under some pressure to make sure it pushes out under the slab evenly. And, it may very well continue sinking.

Maybe run some PVC under the driveway and pour the concrete through it. Let gravity take over. Fill up the gap. Leave PVC there.

[ELVIS]

i tried mud jacking. one word......chafe.

god bless.

Actually, if you think about it, putting a bottle jack under the sinking driveway, jacking it up to the previous level, and pumping concrete in under it doesnt sound like a bad idea. So what you burn a $20 bottle jack in the process?

I couldn't really find too much fault in what the guy said, though I agree. It does sound ghetto as hell!

[CJ]

Actually, if you think about it, putting a bottle jack under the sinking driveway, jacking it up to the previous level, and pumping concrete in under it doesnt sound like a bad idea. So what you burn a $20 bottle jack in the process?

Its the pumping concrete under it part that I don't quite know how to do. I would assume you would need it under some pressure to make sure it pushes out under the slab evenly. And, it may very well continue sinking.

[8mpg]

And this is how they do foundation repair

[Baron Von Crowder]

Actually, if you think about it, putting a bottle jack under the sinking driveway, jacking it up to the previous level, and pumping concrete in under it doesnt sound like a bad idea. So what you burn a $20 bottle jack in the process?

[HECDOGGIE]

Not sure if this will be of any help, but I have a guy in my store constantly buying bottle jacks. He uses them to fix brick mailboxes and retaining walls, then fills concrete around them after everything is in place. Lol Pretty cheap and he says he has never had a problem.

Cheap Bottlejacks ......hm..... Harbor Freight ?