Ōbiki (大引き) – Large floor beams, typically 90 to 105 mm square, that stretch between main foundation beams. Ōbiki is typically reinforced with metal or wood tsuka at sanjaku (910 mm) intervals, and are distinct from larger beams that sit directly on the concrete, called dodai.

2 Responses to Ōbiki

  1. donald tully says:

    Very helpfull. doing reseach on tradional japanese tea house construction. Finding it difficult to find specifics on beam sizes as well as spacing etc. I do have, Japanese Joinery, book, but need more info. blue prints, plans, and spacing and placement of ashikatame beams.
    Thank You,

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