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  1. isotope

    Contraction joints in concrete retaining wall

    Thanks BB and Ron. To clarify two of the four perimeter spans will be above grade and two below, since it is a cut and fill job. Nice advice on the form suggestions to make a groove in these (control) joints. Sounds like they don't have to be very deep. BB you say do not tie the corners...
  2. isotope

    Contraction joints in concrete retaining wall

    Hi Engi dudes In a tennis court construction project I am working on, it calls for a 240mm wide by 300mm high concrete plinth surrounding the court hard surface. The length of the concrete spans of the plinth are 100 x 50 feet (the outside dimensions of the court). Penetrating the center line...

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