A beam of uniform strength refers to which one of the following?a)A be...
- Beam with constant moment of inertia will be prismatic beam.
- Beam in which bending stress is uniform at maximum bending moment cross-section will form a plastic hinge at that section..
- Beam of uniform strength are of two types,
(i) Beams of constant width
(ii) Beams of constant depth
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A beam of uniform strength refers to which one of the following?a)A be...
Beam of Uniform Strength
A beam of uniform strength is a type of beam that is designed to have the same extreme fiber stress at all cross-sections along the length of the beam. This means that the beam is designed so that it can carry the same amount of load at any point along its length without exceeding the stress limits of the material.
Features of Beam of Uniform Strength
The following are some of the features of a beam of uniform strength:
- Extreme fiber stress is the same at all cross-sections: In a beam of uniform strength, the extreme fiber stress is the same at all cross-sections along the length of the beam. This means that the maximum stress that the material can withstand is the same at any point along the beam.
- Designed to carry any load: A beam of uniform strength is designed to carry any load that is applied to it without exceeding the stress limits of the material. This means that the beam can carry a uniform load, a concentrated load, or a combination of both.
- Cross-sectional area varies along the length of the beam: In order to achieve uniform strength, the cross-sectional area of the beam varies along its length. The size of the beam is larger at the points where the bending moment is larger and smaller at the points where the bending moment is smaller.
- Material properties are considered: The material properties of the beam, such as its modulus of elasticity and yield strength, are considered when designing a beam of uniform strength. The design ensures that the maximum stress in the beam is less than the yield strength of the material.
- Moment of inertia is not constant: Unlike a beam of constant moment of inertia, a beam of uniform strength does not have a constant moment of inertia along its length. The moment of inertia varies along the length of the beam in order to achieve uniform strength.
Conclusion
In conclusion, a beam of uniform strength is a type of beam that is designed to have the same extreme fiber stress at all cross-sections along the length of the beam. This type of beam is designed to carry any load without exceeding the stress limits of the material. The cross-sectional area of the beam varies along its length in order to achieve uniform strength.
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