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Posted by Alpha One on July 26, 2006, 11:49 pm
Three years ago I built a concrete retaining wall in the same backyard 10"
wide, 5.5 ft high and about 44' long. Plus the footing which was 3' wide by
1.5' high. When I was finished I had spent $2,500.00 or more. This included
concrete, steel, wood for the case, etc. If I had done it with blocks it
would be much cheaper, but also less strong. Because it is in a L shape one
side keeps the other from tipping. On each end the dirt goes up to the top
on the outside also. So, it should stay in place for quite some time.
> Just for fun humor me and check out the price of block verses what you
> are contemplating. There are alot of things yo may not have thought
> about. Renting forms: by the time you go get them oil them down buy all
> the "additional" ties take them down CLEAN them stack them you can
> have the wall built of block and when its done its done. Of course you
> would have to "grout" the wall (fill it with concrete) also but trust
> me you would still be ahead..ever seen a concrete form blow
> out?........ hey I have nothing against formed concrete walls but there
> is a time and place and I think if your thinking of money savings (arnt
> we all)..well you will see give it a try
> Alpha One wrote:
>> The wall will be a retaining wall in my backyard. I intend to use three
>> 3/4
>> in. rebars orizontaly and vertical ones spaced 2 ft or so apart, plus two
>> 3/4 in. rebars in the footing. Nothing will be on the top of the wall.
>> The
>> soil underneath on one side is rock for a distance of about 25 ft at a
>> dept
>> of about .75 to 1 ft, and the other 31 ft is soil never moved. The
>> footing
>> will be 24 in. wide, maybe more, by 12 in. deep.
>> The dirt behind the wall is dry and will be about 5 in. below the top od
>> the
>> wall and it goes flat from there. There is no drive way or anything else
>> on
>> it, just grass. I intend to use gravel and a pipe plus cloth for
>> drainage.
>> The wall's hight over the rocky side will be about 3.5 ft. (from the rock
>> to
>> the top of the wall). The rest of the wall, starting right after the rock
>> will be 4.5 ft. from the bottom of the footing to the top of the wall
>> and
>> at the other end will be 3 ft, also from the bottom of the footing to the
>> top of the wall.
>
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