7 A concrete beam has flexural reinforcement consisting of g

#7

A concrete beam has flexural reinforcement consisting of groups of bundled bars as shown.

The development length of each group of bundled bars is

(A)

the development length of an individual bar

(B)

1.2 times the development length of an individual bar

(C)

the development length of an equivalent circular bar whose area is the same as the total area of bundled bars

(D)

1.5 times the development length of an individual bar

Solution

Option c is correct. the development length of an equivalent circular bar whose area is the same as the total area of bundled bars