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Question
The width of the rib of a T-beam is generally kept between
T-che dh fjc dh pkSM+kbZ lkekU;r% ds chp j[kh tkrh gS
A.
1/7 to 1/3 of rib depth
B.
1/3 to 1/2 of rib depth
C.
1/2 to 3/4 of rib depth
D.
1/3 to 2/3 of rib depth
Answer ( Option D)

1/3 to 2/3 of rib depth

Solution

RCC T-beam:

(i) The beam consists of a flange and a rib in the form of a T, generally made of RC concrete or metal is known as T-beam. 

(ii) The top part of the slab which acts along the beam to resist the compressive stress is called flange. 
(iii) The part which lies below the slab and resists the shear stress is called the rib.
The effective width of the flange is adopted as the minimum of c/c distance of the nearby ribs or beams. 
The overall thickness of the slab crossing over the beam is taken as flange thickness. 
The breadth of the rib is taken down earth ground. It should be adequate to hold the steel zone in it, effectively. It might be taken as between 1/3 to 2/3 of the rib depth of the beam. 
The depth of T-beam is taken between 1/10 to 1/20 of the span.

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