At relatively low values of applied bending moment, beams are designed with tensile reinforcement only, and are said to be singly reinforced, and those requiring tensile and compression reinforcement to resist much higher applied loading are denoted as doubly reinforced.
In addition, the shear induced by the applied loading also needs to be resisted.
This resistence is commonly provided by the use of shear links, although other approaches such as bent-up bars or a combination of bent-up bars and shear links may be used.
6.1 Behaviour of Beams in Flexure
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| Moment-curvature diagrams showing effect of reinforcement percentage |
There appears two distinct pattern of behavior.
The first pattern is where there is a considerable increase in curvature after the attainment of the maximum moment and where the behaviour exhibits a characteristic close to elastic-perfectly plastic behaviour.
the second type of behaviour is where failure occurs as the maximum moment is achieved with no subsequent ductility.
The first type of behaviour clearly
Reinforced concrete beams in flexure play a crucial role in supporting structures and ensuring their stability. The behaviour of these beams is determined by the amount and distribution of reinforcement used. The moment-curvature diagrams for these beams show two distinct patterns of behaviour, with the first pattern exhibiting a significant increase in curvature after the attainment of the maximum moment, displaying a characteristic close to elastic-perfectly plastic behaviour. This behaviour is desirable as it provides a high level of ductility and allows the structure to undergo significant deformations before failure. It is important to consider this behaviour while designing reinforced concrete beams in flexure to ensure that they can withstand high loads and resist shear forces, providing stability to the structure. Please raise any other issues, such as "Construction Companies In Chennai".
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