Single Reinforced Beam | Under Reinforced Beam | Quick Revision | All Formulae | Neutral Axis | RCC.

Описание: The beam that is longitudinally reinforced only in tension zone, it is known as a singly reinforced beam.

In Such beams, the ultimate bending moment and the tension due to bending are carried by the reinforcement, while the compression is carried by the concrete.

Practically, it is not possible to provide reinforcement only in the tension zone, because we need to tie the stirrups.

Therefore two rebars are utilized in the compression zone to tie the stirrups and the rebars act as false members just for holding the stirrups.

The doubly reinforced beams have compression reinforcement in addition to the tension reinforcement, and this compression reinforcement can be on both sides of the beam (top or bottom face), depending on the type of beam, that is, simply supported or cantilever, respectively.

The beam that is reinforced with steel in the tension and compression zone is known as the doubly reinforced beam. This type of beam is provided mainly when the depth of the beam is restricted. If a beam with limited depth is reinforced only on the tension side, it may not be strong enough to withstand the bending moment.

Course Introduction

Concept of RCC that is reinforced cement concrete is clearly explained, Concrete is very strong in compression but also concrete is very weak in tension, when the loads act on any structural element it undergoes bending, this will create 2 zones, compression zone and tension zone, as concrete is good in compression it takes care of compressive stresses and because of tensile zone there is a need of other material to take care of tensile stresses and here comes the material "STEEL" which is ductile and good enough to take tensile stresses, therefore steel is provided at the tension zone to take care of tensile stresses.

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The doubly reinforced beams have compression reinforcement in addition to the tension reinforcement, and this compression reinforcement can be on both sides of the beam (top or bottom face), depending on the type of beam, that is, simply supported or cantilever, respectively.

The beam that is reinforced with steel in the tension and compression zone is known as the doubly reinforced beam. This type of beam is provided mainly when the depth of the beam is restricted. If a beam with limited depth is reinforced only on the tension side, it may not be strong enough to withstand the bending moment.

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