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Home| Questions|Q 23106
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Vipin Chauhan
Vipin ChauhanProfessional
Asked: February 13, 20212021-02-13T02:16:24+05:30 2021-02-13T02:16:24+05:30In: Construction

What to do? If the specified bar as per design is not available on site?

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    1. Shivam Beginner
      2022-04-30T10:14:43+05:30Added an answer on April 30, 2022 at 10:14 am

      We can use a simple formula for this but make sure this formula will not be applicable for high-rise buildings.

      Formula –
      (D1)^2/(D2)^2 = S1/S2

      Where –
      S1 = spacing for D1 bar
      S2 = spacing for D2 bar
      Example-
      Suppose you have 8 mm dia bar at construction site but as per drawing we need 10 mm dia for construction. In this situation we will use that formula to get the spacing between bars.
      As per drawing,
      For 10 mm dia, Spacing (S1)= 200 mm
      But 8 mm dia bar available at site,
      So spacing (S2) = ?
      Given –
      D1 = 10 mm
      D2 = 8 mm
      S1 = 200 mm
      S2 = ?

      Ans –

      (D1)^2/(D2)^2 = S1/S2
      10^2 / 8^2 = 200/ S2
      by solving this we will get the value of S2
      S2 = 128 mm


      So in this case we will give 128 mm spacing between bars.

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