ot silo
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Topic: ot silo
Posted By: XT in pa
Subject: ot silo
Date Posted: 14 Oct 2011 at 10:48am
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ok i have no idea where this goes but has anyone ever taken a silo down. this neighbor wants it to fall cause he wants the staves for fill right where it fall . would it work to get two long cables and pull it down, its 80 ft or will we have to knock out some of the staves with a sledg hammer .
Shawn ------------- 190XT,D17and 7045 |
Replies:
Posted By: aras
Date Posted: 14 Oct 2011 at 10:50am
| The staves don't break up well but knocking out staves is one way to go. The hoops will be everywhere in the mess too |
Posted By: XT in pa
Date Posted: 14 Oct 2011 at 10:54am
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ya i kno he wants to scrapall the steel ------------- 190XT,D17and 7045 |
Posted By: john(MI)
Date Posted: 14 Oct 2011 at 11:01am
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You might want to search YouTube. There have been some interesting videos on folks dropping silos. One guy got buried but the cage on the dozer saved him. ------------- D14, D17, 5020, 612H, CASE 446 |
Posted By: DanWi
Date Posted: 14 Oct 2011 at 11:19am
| If its a large diamater you have to open a wedge like when you fall a tree, a neighbor had a 20 footer just crush one row of blocks and still stand but tipping they got someone with a large track hoe to knock it down after that because they didnt know how stable it was after that. |
Posted By: ToddSin NY
Date Posted: 14 Oct 2011 at 11:33am
| I did this for a neighbor. I FIRST climbed the outside and hooked a chain, cable would work, to the tiop ring. I made SURE to have enough length for me to clear it when it feel!!! I then took a sledge hammer and knocked out a little over 1/3 of the bottom staves near the bottom. I hooked the WD-45 to it and pulled. Down she came in a hurry!! Be prepared for the dust. Looked like a dust storm for about 10 minutes before it settled down. Then the work begins. |
Posted By: chevytaHOE5674
Date Posted: 14 Oct 2011 at 12:12pm
| I know some guys that took one town with a some friendly target practice. I think the .50cal ended up bringing it down. |
Posted By: Gerald J.
Date Posted: 14 Oct 2011 at 12:47pm
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Over on NewAgTalk there has been several threads on silo removal in the past years. Sturdy Amish teens with sledges and fast feet have knocked out a row of staves in the direction they want it to fall. A long chain through holes at the desired tilt axis have pulled out a row of staves to make it fall. That segment of staves has been shot out with large bore rifles. Some times the destruction has started with any of these techniques and it didn't fall but a few more staves removed with rifle or sledge has triggered the collapse. It's also practical to build scaffolding inside and to take it down stave by stave dropping them to the ground outside. Slower but more controlled with there's not room for it to fall without hitting buildings. Occasionally you can find someone that wants the pieces and will take it down gently. Gerald J. |
Posted By: Embellem
Date Posted: 14 Oct 2011 at 12:51pm
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We just had a silo torn down last week. It was sort of an odd one, built out of fiberglass, and was about a third full of old hay silage. They pulled it down with their truck with a cable hooked to the top of the silo. They cut away part of the wall about three feet up from the bottom on the side facing the direction they wanted it to fall. |
Posted By: John WV
Date Posted: 14 Oct 2011 at 4:08pm
| Well I have taken down 3 of them. But what I did was fulled them in the fall and as I took the silage out I took down the cement staves and dropped them into a pile of sawdust that I dump at the base of the silo . Only had a few that broke and thats because they fell flat and not on the edge like I wanted them to. |
Posted By: Lars(wi)
Date Posted: 14 Oct 2011 at 4:27pm
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of the silo's that I have witnessed come down, they have all been stave type. I have never seen a Harvestore or Sealstore dropped, only taken down sheet by sheet. one important thing to keep in mind, stave silos never 'fall over' they will 'fall down'. a 80 ft silo will not lay out 80 ft from it's stand point, once it starts to tip it will go a certain degree off center then straight down it comes ------------- I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science. |
Posted By: SHAMELESS
Date Posted: 14 Oct 2011 at 4:32pm
| if taken down, and left about 3-5 ft standing...they make great burn pits! |
Posted By: ToddSin NY
Date Posted: 14 Oct 2011 at 5:06pm
| Lars, I didn't think that either. The one I pulled layed right out and slid some of the staves in my direction. Maybe I pulled too hard? |
Posted By: FloydKS
Date Posted: 14 Oct 2011 at 5:56pm
| I think John has the right idea ....make it your last filling and use the silage as a platform...common sense kinda thing,,, course that means ya gotta fill it. |
Posted By: Calvin Schmidt
Date Posted: 14 Oct 2011 at 7:52pm
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I've been in the in the silo building industry for more than 45 years so have seen more than a few come down. There are many different ways to take them down. The most dangerous is a old rotten silo. If it is a stave silo be sure all the hoops are on and tight before you start to knock out staves with a sledge. I had a friend take down 436 silos (mostly poured concrete) with an air hammer before old age caught up with him. He would decide which way it would fall and them mark out 90 degrees each way. He would than take out a wedge working each way from the centerline. The bigger the diameter, the higher the wedge had to be. We would set up a soda can and he would hit it with the silo every time. His biggest one was a 24' x 80'. I know of lots of horror storys of silo demolition gone wrong. Be carefull and use common sense!!!! When we are building an 80' x 132' grain silo with 230 tons of rebar, I think of the guy who will take it down a 100 years from now. I wish I'd be there to see it!!! ------------- Nothing is impossible if it is properly financed |
Posted By: michaelwis
Date Posted: 14 Oct 2011 at 8:26pm
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Watch the Amish .... you wont believe your eyes .....
I dont think OSHA gets an invite ... lol ------------- WD WD45 DIESEL D 14 D-15 SERIES 2 190XT TERRA TIGER ac allcrop 60 GLEANER F 6060 7040.and attachments for all Proud to be an active farmer |
Posted By: Orange Blood
Date Posted: 14 Oct 2011 at 8:26pm
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The only thing I have noticed watching many of these videos and a few in person, is that when they start to fall, the base will kick back a little, so if it is right up against a shed, look out, or if you think that is where you are going to hide while it falls, good luck.
------------- Still in use: HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060 Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7 |
Posted By: Eric[IL]
Date Posted: 19 Oct 2011 at 8:11am
| John WV has it right. Whether you use silage fill or just some sort of scaffold, a person using a sturdy screwdriver or small pry bar can pry loose each single concrete pad and drop them down to a pile of sand below on the ground. Another person on the ground can remove each concrete pad before another is dropped. Together, two people will break only a few pads. A can of WD40 and air wrench or electric impact can remove the metal bands prior to removing the concrete pads. It will allow for you to reassemble the silo, or sell it at auction. This process is much safer & better than the mess you will have pulling the silo over. |
Posted By: Michael (WI)
Date Posted: 19 Oct 2011 at 10:05am
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I find this to be a very intertesting thread. The silage method seems very simple but it wouldn't work of course with suspended ring drive top unloader. In our case the tripod that the unloader hangs from sits on the top of the silo itself. |
Posted By: WC Dale
Date Posted: 20 Oct 2011 at 8:35am
We had two when we bought our farm. Gave them to a pair of local farmers (brothers). One was good enough to put back up. It was taken down with the scaffold inside / sand outside method mentioned. Pics are of the other. It was about two feet from the building. The crew was amish and they seemed totally confident about the direction of fall. Sledgehammer method to bring her down. This was as fast as the camera would take pics.
   
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Posted By: XT in pa
Date Posted: 20 Oct 2011 at 9:50am
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This silo is way to rotted to fill it has 2ft of old hay they never emptied it does not have a roof on it or unloader.
Shawn ------------- 190XT,D17and 7045 |
Posted By: JC-WI
Date Posted: 20 Oct 2011 at 11:19am
| Have seen a few where people made living quarters in them and a few made observatories on top. Some have turned their old silos into antenna/repeater towers and get paid every month... |