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#3522345 - 12/30/13 11:51 AM 14" wide sinkhole
10 Point

Registered: 08/22/06
Posts: 2701
Loc: Bartlett, TN

Anyone have some tried-and-true tips for managing a slowly expanding sinkhole?

I've been occasionally putting soil in it when it was considerably smaller, which generally prevented me from accidentally stepping in it, but a big rain event early in the month has caused it to widen considerably.

I would guess it's a foot deep, and about 14" across. It's in between my house and my neighbor's house, not in a location I would suspect houses any water/sewer lines (but I might be wrong!). Rain runoff runs diagonally across my front yard, and a lot of it seems to point in the direction of the hole, so I believe that is the culprit.

I've read advice about using concrete, and others that say not to. Any advice?

FYI, it's about 8 feet from the side of my house, so I don't believe my foundation is in any danger.
I'm hungry and tired. Don't poke my belly.

#3522685 - 12/30/13 03:52 PM Re: 14" wide sinkhole [Re: Crosshairy]
Diehard Hunter
12 Point

Registered: 08/01/08
Posts: 6980
Loc: East Tennessee

Better find out what is causing it before it causes problems with your foundation. The soil is going somewhere. If you don't find out where, your foundation may be damaged in the future.
The recreational value of a game animal is inverse to the artificiality of its origin and the intensiveness of the management system that produced it. Aldo Leopold

#3522730 - 12/30/13 04:40 PM Re: 14" wide sinkhole [Re: Diehard Hunter]
16 Point

Registered: 02/07/05
Posts: 12880
Loc: Mountians of East Tennessee

I would hate to find "and size" sink hole that close to my house. Like DH says, investigate!
NOTICE: The party in Hell has been canceled due to Fire!

#3522797 - 12/30/13 05:26 PM Re: 14" wide sinkhole [Re: plinker22]
4 Point

Registered: 08/09/06
Posts: 291
Loc: Cookeville, Tennessee

I have seen 18" sinkholes turn into a 35 foot abyss in a matter of months. Talk to a qualified engineer/geologist before your upstairs turns into a basement!
#3523708 - 12/31/13 09:05 AM Re: 14" wide sinkhole [Re: MickThompson]
LA man
18 Point

Registered: 05/31/03
Posts: 20845
Loc: spencer, tn/houma, la.

Fill it in and sell the place

#3524075 - 12/31/13 12:33 PM Re: 14" wide sinkhole [Re: LA man]
10 Point

Registered: 11/15/09
Posts: 2746
Loc: TN & Western KY

Don't put dirt in it!!!
if your going to fill it us big rocks at the bottom then smaller near the top.
But I have it checked out, go look under your house NOW,
sounds like you are in a subdivision, if your in the city limits call building and codes or the street dept, if you have run off going across the yard there could be a storm drainage easement on the lot lines, if you got a survey it would should that
- Will Rogers

#3524318 - 12/31/13 02:59 PM Re: 14" wide sinkhole [Re: landman]
10 Point

Registered: 12/24/13
Posts: 2635
Loc: River Bottom

I'm curious to a solution to. After the major flood a few years ago we have some bad ones. One is so large we were riding 4wheelers and a buddy of mine thought he was about to split a large mud hole open and actually buried his foreman in it. Nosed dived right into it. Nothing but back rack sticking out.several smaller ones have popped up around it.
Fail to plan, Plan to fail

#3525120 - 01/01/14 06:03 AM Re: 14" wide sinkhole [Re: duckriver]
16 Point

Registered: 01/11/04
Posts: 16954
Loc: Allardt, TN

You could make a grout mix with portland cement and bentonite. I have seen it done in my line of work inspecting sinkholes but Im not sure about legality/permits/etc for a citizen pumping that grout in the ground. That can be pumped in and volume measured untils your grout starts coming back up...that can give you an idea on the size of the void. If you keep pumping grout in and it doesnt come back up pretty quick, then you know for sure you have an issue. 8ft from your foundation is very close... I would be concerned if it is found to be a sinkhole and not just settlement from some construction activity.
-QDM=Better Deer, Better Deer Hunting
-Let Him Go, So He Can Grow

#3526267 - 01/01/14 08:35 PM Re: 14" wide sinkhole [Re: Crosshairy]
10 Point

Registered: 09/03/08
Posts: 4764
Loc: Shelby County

As mentioned, the dirt has to go somewhere. Must be an easement for a storm/sewer pipe. See if there is a manhole cover in the street that lines up or is close. I'd get County folks in right away. And yeah, 8 feet is really, really close. Keep us posted.
#3526453 - 01/01/14 11:26 PM Re: 14" wide sinkhole [Re: DaveB]
14 Point

Registered: 11/06/09
Posts: 9856
Loc: Memphis

Get it checked out, quickly. One of our old neighbors on Mud Island had a similar situation. $10,000 later and a 10' deep hole, they discovered their house's main sewage trunk going into the city sewage never connected. Every toilet and every sink drained out into the dirt underneath his house. Best we suspect, the graders dislodged it before the slab was ever staked out.
Everything important in life was learned from Mary Jo Kopechne.

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