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Structural Design Specifications - Engineering

Q1:

The development length of each bar of three bars bundled together is increased by

A 10%

B 20%

C 33%

D 50%

ANS:C - 33%

The development length of each bar of bundled bars shall be that for the individual bar, increased by 10 percent for two bars in contact, 20 percent for three bars in contact and 33 percent for four bars in contact.