building a underground room

I'm curious maybe there are some miners here or something i'm considering making a underground room, the soil is sand and clay with no bedrock in sight supposedly bed rock is over 30,000 feet deep.. I know how to make a vertical shaft but making it open to a large room seems like a daunting task to avoid cave ins.. in attempt to keep it hidden digging a large hole and placing a structure down in it isnt a option.. for the record its for nothing illegal, just a area for some tinkering with hobby electronic stuff... building embedded electronics at the kitchen table is a hassle... taxes, cooling and heating cost are not much better with other options... also the selling point for the wife is the tornados...

Haha...e-how always has some answers:

How to Build an Underground Room
How to Build a Secret Underground Room

reply to post by razrburn


Talk to an architect or contractor .. this isnt a d oit yourself kind of job for the novice. A bad foundation or improper drainage could ruin the whole house!

www.survivalblog.com...

If you don't have a basement already, don't try it. It means your house wasn't meant to have a hollow space underneath it, and the task should only be undertaken by professionals, lest the whole shebang fall in on you.

You could, however, build a toolshed in the yard, with a storm cellar below it, and be quite comfortable, as long as you don't hack through water, gas, or electric infrastructure.

Originally posted by razrburn
I'm curious maybe there are some miners here or something i'm considering making a underground room, the soil is sand and clay with no bedrock in sight supposedly bed rock is over 30,000 feet deep.. I know how to make a vertical shaft but making it open to a large room seems like a daunting task to avoid cave ins.. in attempt to keep it hidden digging a large hole and placing a structure down in it isnt a option.. for the record its for nothing illegal, just a area for some tinkering with hobby electronic stuff... building embedded electronics at the kitchen table is a hassle... taxes, cooling and heating cost are not much better with other options... also the selling point for the wife is the tornados...

Well, we should get a group of us together and get a Bunker/compound from this company. We would survive almost all scenerios. LINK

Originally posted by SirMike
reply to post by razrburn

 

Talk to an architect or contractor .. this isnt a d oit yourself kind of job for the novice. A bad foundation or improper drainage could ruin the whole house!

agreed under most cases but, it isnt going under anything.. for simplicity. as far as space goes I'll have 4+ acres to work with

Originally posted by WhizPhiz
Haha...e-how always has some answers:

How to Build an Underground Room
How to Build a Secret Underground Room

good stuff but not exactly what I was looking for, I stubbled across a article how a guy placed a shipping container underground, it looked cool but it was very obvious.. my closest neighbor is about 1/2 mile away and the whole area is open with no trees or bushes taller than 5 ft did i mention a mountain 5 miles away 6k feet higher at the top...
I was looking for something maybe a little less obvious, I was thinking maybe digging bucket by bucket

as far as construction goes a architect can draw anything build-able or not. but its the engineer that tries to make it work..

currently im considering using a tunnelling shield but even that would require a decent sized hole... larger than a shed might easily cover during construction..

Originally posted by Deja`Vu

Originally posted by razrburn
I'm curious maybe there are some miners here or something i'm considering making a underground room, the soil is sand and clay with no bedrock in sight supposedly bed rock is over 30,000 feet deep.. I know how to make a vertical shaft but making it open to a large room seems like a daunting task to avoid cave ins.. in attempt to keep it hidden digging a large hole and placing a structure down in it isnt a option.. for the record its for nothing illegal, just a area for some tinkering with hobby electronic stuff... building embedded electronics at the kitchen table is a hassle... taxes, cooling and heating cost are not much better with other options... also the selling point for the wife is the tornados...

Well, we should get a group of us together and get a Bunker/compound from this company. We would survive almost all scenerios.

LINK

edit on 31-3-2011 by Deja`Vu because: (no reason given)

those look pricey lol I think uncle sam might notice.. one of those being built

Bes to use concrete, you will need footings.

you can make forms up and pour them in sections.

bracing the roof is easy if done as you go and then you just pour the concrete forms.

best to make it about 5 inches thick.

you might need a concrete pump.

you will alo need air so you need to fit a pipe to the surface.

if it was me I would buidl it with an air lock kinda like a submarine.

there is much more for consideration but i am no expert

Originally posted by guessing
Bes to use concrete, you will need footings.

you can make forms up and pour them in sections.

bracing the roof is easy if done as you go and then you just pour the concrete forms.

best to make it about 5 inches thick.

you might need a concrete pump.

you will alo need air so you need to fit a pipe to the surface.

if it was me I would buidl it with an air lock kinda like a submarine.

there is much more for consideration but i am no expert

I considering something like this, just maybe adding a lot of steel rebar into the concrete... lol i'm in a earthquake zone... call me crazy

If your gonna build anything decent to withstand a substantial impact or nuclear fallout you will need

1) Reinforced steel doors at least a foot thick
2) An air system, water system and toilet system, all underground that doesnt come into contact with the outside world... using underground water springs
3) Space to store enough food for atleast a year
4) Some form of electricity for entertainment and lights... etc (you will get bored)

reply to post by razrburn


yes , you could actually make a 'cage outta the rebar , this would make it pretty strong. maybe the thicker the better like 150mm thick concrete. also waterproofer in the concrete will stop dampness.

and you will also need to make compartments to stop the PING sound.. or use rubber or something on the walls and floors

Originally posted by Itop1
If your gonna build anything decent to withstand a substantial impact or nuclear fallout you will need

1) Reinforced steel doors at least a foot thick
2) An air system, water system and toilet system, all underground that doesnt come into contact with the outside world... using underground water springs
3) Space to store enough food for atleast a year
4) Some form of electricity for entertainment and lights... etc (you will get bored)

good suggestions to those looking for that... I think I would rather die, then live my life in a hamster cage though..
its mostly for a nice roomy quiet area...
but as far as I know using underground water springs for water would be a bad idea, in a nuclear fallout zone..

reply to post by razrburn

it seems like for the smallest ground surface foot print required... something similar to the Brunel styled tunnel shield may be a decent option for me.. It also seems to be a little bit better lighter and safer than a much larger and longer, hollowed steel shield.. maybe even less noticeable when bringing in materials for the shield... a bit 1800's but it should work.. noticeably I think a metal rim added to leading and after edges would protect from cave ins during concrete forming yet cut through the soil like a cookie cutter when jacked forward..