EngiRef / Civil Engineering Formula
Shear Stress in Beams
Shear Stress in Beams: Shear stress distribution in beams. A Beams formula in civil engineering. Variables τ, V, Q, I and t, each with SI and imperial units.
Beams
Specification
- Name
- Shear Stress in Beams
- Discipline
- civil
- Category
- Beams
- LaTeX
- \tau = \frac{VQ}{It}
- Description
- Shear stress distribution in beams
- Conditions
- Transverse shear in a prismatic beam
- Can solve for
- τ, V, Q, I, t
- Tags
- shear, stress, beam, vq/it
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| τ | Shear Stress | Pa | Pa | psi |
| V | Shear Force | N | N | lbf |
| Q | First Moment of Area | m³ | m³ | in³ |
| I | Moment of Inertia | m⁴ | m⁴ | in⁴ |
| t | Width at Point | m | m | in |
Common questions
- What is the Shear Stress in Beams formula?
- Shear stress distribution in beams. It sits under Beams, Civil engineering in the EngiRef reference.
- What do the symbols in the Shear Stress in Beams formula mean?
- In Shear Stress in Beams, τ is shear stress in Pa; V is shear force in N; Q is first moment of area in m³; I is moment of inertia in m⁴; t is width at point in m.
- When does the Shear Stress in Beams formula apply?
- Shear Stress in Beams holds under this condition: Transverse shear in a prismatic beam.