Question

An isolated T beam is used as a walkway. The beam is simply supported with an effective span of 6 m. The effective width of flange, for the cross-section shown in figure, is

• A. 900 mm
• B. 1000 mm
• C. 1259 mm
• D. 1500 mm

Answer 1

The correct option is A 900 mm

As per IS : 456-2000
Effective width of flange
$b_f=b_w+\frac{l_0}{\frac{l_0}{b}+4}$
$\le b$
$b_f=300+\frac{6000}{\frac{6000}{1000}+4}$
= 900 mm
$\le$ 1000 mm
$b_f=$ 900 mm