Sink Hole Rumor

#26
#26
There are caverns underneath Knoxville all over.

In 1984 the Jackson5 Victory tour played at Neyland and were not allowed to drive the semis loaded with all the stage gear onto the field because of the known caverns under the field.

While building Thompson Boling/ Food City, a cavern was found under one corner and had be filled with yards of concrete.

Thompson-Boling Arena—Cavern Discovered
Yes, my brother was a core sample driller for TBA. Said they brought countless concrete trucks in to fill.
 
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#27
#27
This thread is chock full of iron knee. A thread about a sink hole, going down into a sink hole.
 
#28
#28
Back when the turf was peeled back and subsequently replaced with grass (1994ish), there were so many yards of concrete poured in the southern end zone of Neyland, it would’ve embarrassed Blaine Construction Co. if the invoice were sent with todays prices.
Unfortunately, in that karst - cavernous limestone geology; it likely has just sucked up much of what was filled in some 30 years ago. Our family has season tickets in the lower south end zone, and I do feel safer in those levels. However, being a geology goob, when I used to brave the uppermost levels in the SEZ, and it started shaking, I needed my nervous pills and more JD.
 
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#33
#33
I remember the first game in Thompson Bowling they gave us orange and white plastic hard hats due to the cavern when we came in the student gate. I wish I could remember what I did with mine.
 
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#35
#35
There are caverns underneath Knoxville all over.

In 1984 the Jackson5 Victory tour played at Neyland and were not allowed to drive the semis loaded with all the stage gear onto the field because of the known caverns under the field.

While building Thompson Boling/ Food City, a cavern was found under one corner and had be filled with yards of concrete.

Thompson-Boling Arena—Cavern Discovered

Sal Sunseri lives in one of the caverns
 
#39
#39
Yes, my brother was a core sample driller for TBA. Said they brought countless concrete trucks in to fill.
They would've use grout. Nowadays, they use a combination of micro piles, kinda like piles driven into the earth, but smaller and longer. The drill those in sideways and all different directions. Then the backfill with riprap then shoot grout in under pressure. It doesn't necessarily fill the hole, it caps it. Permermantly.

Edit- my company did this animation. I had it wrong. But this animation describes the capping of a sinkhole.
 
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#42
#42
Only "sink hole" I know of on the South End...

R.c5a792d27b204d8b26b4fddd3d42a234
 
#44
#44
They would've use grout. Nowadays, they use a combination of micro piles, kinda like piles driven into the earth, but smaller and longer. The drill those in sideways and all different directions. Then the backfill with riprap then shoot grout in under pressure. It doesn't necessarily fill the hole, it caps it. Permermantly.

Edit- my company did this animation. I had it wrong. But this animation describes the capping of a sinkhole.
They do that mostly in FL since the encompassing rock is less sound than here. Around here they still expose the throat and pour in low strength concrete. Been doing it that way since the 1930s. But either way it is just a bandaid because another one can drop out right next to it.
 
#45
#45
Seems I remember an account in the past that the cavern systems under Neyland were employed and a big part of a cost efficient and effective drainage system for the field, taking it to the river. Maybe an account after the famous FL rain game. Something along those lines. FACTS anyone?
 
#46
#46
Let hope that it's a failed drainage or something of that sort. A true Sinkhole can be a major problem because of the nature of the rock in this area. It could be a tiny issue to fill it and move on or it could be a cavernous thing that takes hundreds or thousands of yards of material to fill. If it is big enough, it could potentially undermine footers and structural parts of the stadium and compromise the integrity of the structure.
 
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