how can change 10mm dia @130c/c bar spacing to 8mm dia

Answer Posted / esantharaj

spacing. =1000/130
=8 nos. 8*.617=4.93 kg

total wt/unitw.t. =4.93/.39
=12+1. =13nos
spacing=1000/13
=77mm
cross checking=13*.39=5.05 kg

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