Answer / s.abdul ajees,v.srinivasan

ACTUAL DIA OF BAR AREA/CHANGE DIA OF BAR AREA x ACTUAL SPACING
EX:
AS PER DRAWING 20MM DIA (AREA=3.14X(20^2)/4 =314.16MM^2
CHANG OF RAD 16MM DIA (AREA=3.14X(16^2)/4 =201.06MM^2
ACTUAL SPACING 200MM

=201.06/314.16X200
=127.99MM SAY 120MM C/C
SPACING OF BAR = 120MM C/C

Answer / prabhakaran.n

unit weight of actual bar/unit weight of changed bar we get
one answer , actual bar spacing/ answer= we get changed
bar spacing..

Answer / zaheer

Spacing should be <3d

Answer / biswajit acharya

The area of reinforcement/area of c/s of one bar
and the maximum spacing requirment of code i.e s<3d

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