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How to create design of a vertical stirrups for RCC beam

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This exclusive construction video tutorial is presented by the renowned engineer, Parag Pal. By going through this video, you will learn how to create the design of vertical stirrups in RCC beam.

When the transverse reinforcement alias shear reinforcement is not arranged, the beam will collapse suddenly devoid of any indication. This abrupt failure can be circumvented with the provision of vertical stirrups. It also raises the load bearing strength of the beam.

In reinforced concrete beams, diagonal cracking may occur due to shear forces. So, it is essential to involve shear reinforcement generally in the form of vertical stirrups or inclined (i.e., bent-up) bars or both-to prevent the scope of a shear failure.

Design of vertical stirrups is associated with shear, torsion, development length and anchorage.

This topic is very crucial for the civil engineering students who will appear in SSC and JE exams.

In this video, the solution is given to the following problem :-

Problem – There is a rectangular beam with b = 300 mm and d = 550 mm that contains a service shear force of 100 kN at a section near the support.

Also Read: How to work out cutting length of diamond stirrups in column

Four bars of 20 mm dia. (= 1257 sq) are arranged as tensile reinforcement at the section which are extended to the support. For M20 grade concrete and Fe415 grade bars, design vertical stirrups for the section.

The area of steel is given as 1257 mm2 and it is derived as follow :-

Ast = π / 4 x 202 = 1256.64 mm2

To learn the detail calculation process, go through the following video tutorial.

Video Source: Parag Pal

How to create design of a vertical stirrups for RCC beam