For Fe- 415 steel and M20grade concrete, the balanced percentage of steel is [ A ] 0.65% [ B ] 0.75% [ C ] 0.86% [ D ] 0.96%

For Fe- 415 steel and M20grade concrete, the balanced percentage of steel is
[ A ] 0.65%
[ B ] 0.75%
[ C ] 0.86%
[ D ] 0.96%
by

1 Answer

Answer :

[ D ] 0.96%
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The compression in steel (fS) at failure for Fe - 415 grade steel using stress-strain curve shall be [ A ] 0.87 fy [ B ] 0.75 fy [ C ] 0.45 fy [ D ] 0.55 fy

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The Minimum amount of steel for Main reinforcement in slab should be (Fe 415- grade of steel) [ A ] 0.12 percent of gross cross sectional area [ B ] 0.15 percent of gross cross sectional area [ C ] 0.20 percent of gross cross sectional area [ D ] 0.25 percent of gross cross sectional area.

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