Differences between Beam and Arch
Today we are discussing Differences between Beam and Arch. This Is the topic of civil engineering.
- Structural behavior of a beam is in state of equilibrium if the constraints permit no rigid body movement upon application of loads. Whereas an arch may be looked upon as a curved girder, either a solid rib or braced supported at its ends and carrying transverse loads which are frequently vertical.
- If a beam or structure is stable under the action of forces at in a plane, three conditions of equilibrium must be satisfied whereas an arch is subjected to three restraining forces : (a) thrust (b) shear force and (c) bending moment.
Arch
An arch may be looked upon as a curved girder, either a solid rib or braced, supported at its ends and carrying transverse leads which are frequently vertical. Since the transverse loading at any section normal to the axis of the girder is at an angle to the normal face, an arch is subjected to three restraining forces
- Thrust
- Shear force,
- Bending moment
Types of Arch
- Three hinged arch
- Two hinged arch
- Single hinged arch
- Fixed arch (hingeless arch)
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