retaining wall question!

Discussion in 'Hardscaping' started by baddboygeorge, Oct 3, 2006.

  1. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    I went to look at a job today an the customer has a concrete block wall that is 30 years old ranging from 3 to 8 foot tall an about 200 foot long. A few weeks ago when it rained hard an long part of her wall took a plunge.I dont have alot of experience but was wondering how to tie in a versa lock type block to this concrete block. Anyone have any ideas.What i was thinking of was in that spot that blew out i was gonna tighten the ends with concrete blocks with motar an square them off. Then i was gonna terrace this blow out section with 2 walls. The first being the wall that would be on the outside of the original wall an go to each squared off side then i was gonna back fill an stack another wall on top that would bring me back up to the proper measurments an would be flush with the original wall! Customer doesnt care what it looks like just wants to make sure its strong and if in the future another section blows out we can add to it! please any inputs would be great!! thanks George
  2. CrewCutEnterprises

    CrewCutEnterprises LawnSite Senior Member
    Messages: 898

    Im no hardscaper but most of them are going to tell you an 8 ft wall needs to be engineered, the whole old one torn down and a whole new wall installed. with geogrid etc.
  3. turfquip

    turfquip LawnSite Senior Member
    Messages: 860

    Tread carefully taking on a project like this. Find out why the wall section failed. Most of the time wall failure has something to do with water.

    It stood for 30 years. Maybe some drainage characteristic has changed above the wall?
  4. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    we got 7 inches of rain in 24 hours an with a very shallow footer the wall couldnt stand all the water.i was thinking about subbing it out to an basement wall company an let them pour me an eight inch thick wall with a 2 foot footer an tie it directly in to the concrete wall.
  5. Fordsuvparts

    Fordsuvparts LawnSite Senior Member
    Messages: 517

    Maybe we could get together on this wall, We do a lot of work in the louisville, e-town, Fort Knox area, and a lot of the work is retaining walls. We are currently working on the base in fort knox.
    Sounds like there was no drainage behind the wall, or not enough drainage. It probably needs to all come down and be redone with a keystone wall. We have an engineer that does our jobs and it really quick.
  6. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    I appreciate the offer but tearing it all down is way out of her budget , she is 83 on a limited income an all she is wanting is a patch job. I would love to build her a brand new wall but that isn't gonna happen!
  7. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    i just finished a job at ft.knox as well!
  8. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    we came to a conclusion today > Its gonna be a solid 8 inch thick wall with footer of 24 inches tied into exsisting concrete block wall an at each end where new wall connects to old wall , there with be a concrete piling installed to tie everything together.concrete wall will be rebared inside an also rebar will be installed into old concrete block to tie it all together as well. this should solve alot of problems in the future as well We will also install drainage as well. Its not gonna be a real pretty finished product but the customer doesnt care about pretty she needs to fix the problem !! see you guys later!
  9. Mike33

    Mike33 LawnSite Bronze Member
    Messages: 1,649

    If im understanding you, i think the job is going to look like hell if you put up a srw along a standard block wall. Why not tear everything out and start from scratch? If im wrong my apology.
  10. baddboygeorge

    baddboygeorge LawnSite Bronze Member
    Messages: 1,249

    your right but the customer is 83 , on a fixed income ,an really isnt worried about looks !I am gonna install a solid wall with 24 inch footer for her , structurally its the best way for the money! I'll post a few pics as i go along thanks george

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