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  #251  
Old 04-09-2011, 10:39 AM
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DVS Hardscaper DVS Hardscaper is online now
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Quote:
Originally Posted by JoeyDipetro View Post
Also, does the grid actually hold the blocks in place as DVS has suggested?
Yes, everything works together. Its a system.

Just like your body's muscles, they all work together and are reliant on one another.


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  #252  
Old 04-09-2011, 11:22 AM
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wurkn with amish wurkn with amish is offline
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Really who cares if the grid is there........ they could have used straw or feathers, if they sold it and it gives the customer peace of mind at night great! Its not hurting anything, the steps will be there for a long time, on to the next job.
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  #253  
Old 04-09-2011, 11:29 AM
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2low4NH 2low4NH is offline
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Okay Grid holds soil not block. I can try and clear it up a little.

1.Grid stabilizes soil
2.Stabilized soil does not move
3.good soil back fill aids in wall not moving.
4.Tying grid in to block helps stabilize core fill
5.Core fill helps stabilize the wall.
6.core fill and stone back fill work in conjunction with grid to help stabilize the "system"
7.System consists of block "veneer", Crushed stone 3/4" core fill and back fill, "crushed gravel" good compactable soil to spec. Grid running in layers at least past the 45* plain.
Geo textiles under the base and "sometimes" behind the stone back fill. NCMA/ICPI/manufacturers all have their own method. follow the specs per your engineer/manufacturer.
So does the grid hold the block NO it holds the fill in the block and behind the wall. will it aid in the wall not moving yes. In an engineered wall the block is solely a veneer.
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  #254  
Old 04-09-2011, 12:11 PM
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Quote:
Originally Posted by wurkn with amish View Post
Really who cares if the grid is there........ they could have used straw or feathers, if they sold it and it gives the customer peace of mind at night great! Its not hurting anything, the steps will be there for a long time, on to the next job.
Exactly.

I glanced over the pictures and noticed the grid and thought little of it.

My initial response was in response to a response that Tom had provided when it was questioned by someone else. When I read his response I went back and looked to see what was going on in the picture.


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  #255  
Old 04-09-2011, 01:58 PM
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To say the block
Is "solely a veneer" is misleading. If that were the case:

1) block would not have a batter
2) you could build an engineered 10' wall with 3" Celtic block.
3) would 60 to 110 pound block be needed?


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  #256  
Old 04-09-2011, 02:33 PM
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2low4NH 2low4NH is offline
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You get what i am saying. plain and simple walls dont hld back soil unless its a gravity wall
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  #257  
Old 04-09-2011, 10:10 PM
JoeyDipetro JoeyDipetro is offline
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Ok, I've read through this thread TOO many times.....again, I'm trying to learn. DVS, I thought you knew what you were talking about but it seems to me with the following quotes you were wrong and the other guys were right:

Quote:
Originally Posted by DVS Hardscaper View Post
Tom, buddy you are WAY off. Grid IS NOT used to " reinforce soil". It is used to stabilize the block, to keep the block from rotating forward.

Grid has it's strength in one direction as that is where pressure is apPlied when the block pulls on it.
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After reading this thread, it seems there is a consensus that the grid does reinforce the soil. Also, I learned that there is a bi-axial grid that provides strength in two directions.

2low, what is a "gravity" wall?
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  #258  
Old 04-09-2011, 10:23 PM
a&jlandscaping a&jlandscaping is offline
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Nice work keep the pics coming
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  #259  
Old 04-09-2011, 10:41 PM
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2low4NH 2low4NH is offline
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Gravity walls are non reinforced walls usually hav no grid they use the weight and size of the block for stability. they can go up to 4x the depth of the block most walls are 3-4 foot max height unless you use a redi-rock wall or similar. It is a lot of info to try and nderstand I can say take as many classes as you can from ICPI and NCMA Techo-bloc has a great program they put on. hands on is #1 though. A great builder can teach you many things.
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  #260  
Old 04-09-2011, 10:46 PM
JoeyDipetro JoeyDipetro is offline
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Quote:
Originally Posted by 2low4NH View Post
Gravity walls are non reinforced walls usually hav no grid they use the weight and size of the block for stability. they can go up to 4x the depth of the block most walls are 3-4 foot max height unless you use a redi-rock wall or similar. It is a lot of info to try and nderstand I can say take as many classes as you can from ICPI and NCMA Techo-bloc has a great program they put on. hands on is #1 though. A great builder can teach you many things.
Thanks for the easy to understand explanation. After some of the other run around posts in this thread, I appreciate that. I do plan on taking the classes.
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