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Bricks v. concrete
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Bricks v. concrete
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UnMeilleurReve
Dirt-Under-The-Nails Hippy


Joined: 29 Apr 2008
Posts: 542


Location: Las Vegas

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Cinder block is porous. In the desert, we have the problem that groundwater in raised yards sinks through and then molds. Usually it's black toxic mold. Cinder block is definitely out.

The dome would be much harder and less efficient with space usage, btw. It would also be difficult to expand.
Mon May 19, 2008 9:29 pm View user's profile Send private message Send e-mail Visit poster's website AIM Address Yahoo Messenger MSN Messenger
Zeerahks
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Joined: 24 Apr 2008
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Location: Minnesota

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Granted it would be harder, but it would also last much longer.  Also, we're underground.  We have plenty of lateral space, so we don't really need to worry about vertical space as long as we go deep enough.

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Mon May 19, 2008 10:03 pm View user's profile Send private message Send e-mail AIM Address
vov35
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digging that deep is difficult

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Tue May 20, 2008 1:15 pm View user's profile Send private message Send e-mail AIM Address
glorfon
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Joined: 23 Apr 2008
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Are you sure cinder blocks are so prone to mold.  I've seen alot of cinder block basements.
Tue May 20, 2008 3:22 pm View user's profile Send private message Send e-mail
vov35
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they're concrete (nonporous) blocks.
*checks walls for evil black mold*

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Wed May 21, 2008 1:25 pm View user's profile Send private message Send e-mail AIM Address
glorfon
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vov35 wrote:
digging that deep is difficult

Not to mention the risk of hitting the ground water.
Wed May 21, 2008 7:39 pm View user's profile Send private message Send e-mail
vov35
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Joined: 24 Apr 2008
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but at the same time, we need groundwater.

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Thu May 22, 2008 3:35 pm View user's profile Send private message Send e-mail AIM Address
Zeerahks
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Joined: 24 Apr 2008
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Location: Minnesota

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If you can, find out how far down the water table is on the land we have currently.  If we want to go below that, we'll (obviously) have to have a very good pump system.

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Fri May 23, 2008 12:33 pm View user's profile Send private message Send e-mail AIM Address
UnMeilleurReve
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Joined: 29 Apr 2008
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Location: Las Vegas

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Okay, I've given this some thought, and here's what I've come to.

Once you get to a certain depth, I think we'll have to worry very little about root systems damaging our walls. If we have any problems with mildew, we can bleach it. However, if we go below the water table, not only will we need pumps to begin construction, but we need a totally non-porous material to work with that can keep water out indefinitely. We also want to consider how important it will be to be able to repair things.

With concrete, we'd have to pour, mould, etc. to repair, and getting the damned stuff to set will be difficult. With bricks, most of the construction is done for us and the issue of transporting the materials is solved much better. If we make a gigantic hollow box and use steel lattice or triangle frames to support the walls, we don't need massive beams and we can make multiple layers. Expansion is also easier with bricks because we can remove some and not risk our structural integrity and then make another hollow box and fill it in with layers. I think the material used for the bricks should be our concern. Cement just causes too many problems with the actual construction.

The issue that we find, then, becomes how we get the mortar to set. So I now stand behind bricks. We could possibly find a type of brick and a way to set them that allows us to prevent seepage.
Sat May 24, 2008 7:30 pm View user's profile Send private message Send e-mail Visit poster's website AIM Address Yahoo Messenger MSN Messenger
vov35
Dirt-Under-The-Nails Hippy


Joined: 24 Apr 2008
Posts: 553



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nonetheless, dams are built from cement not brick. perhaps cement stops water better?
I honestly don't know, so i am not trying to be a smart ass



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