Shear Stress ની ગણતરી કેવી રીતે કરવી
Shear Stress શું છે?
Shear stress is stress from forces parallel to a surface, causing internal sliding. It's critical for joint design and fastener selection.
સૂત્ર
Calculate: τ = V/A where V is shear force and A is area
- V
- V value — Variable used in the calculation
- A
- A value — Variable used in the calculation
પગલું દ્વારા પગલું માર્ગદર્શિકા
- 1Calculate: τ = V/A where V is shear force and A is area
- 2For beams: τ = 1.5V/A (rectangular cross-section)
- 3Results show stress intensity and safety margins
Worked Examples
ઇનપુટ
V = 50 kN, A = 0.01 m² (100×100 mm)
પરિણામ
τ = 5 MPa (low for steel)
Safe for typical steel
Common Mistakes to Avoid
- ✕Using average stress instead of accounting for concentration
- ✕Neglecting shear in fastener design
Frequently Asked Questions
How is shear stress different from normal stress?
Normal stress acts perpendicular to surface, shear acts parallel. Materials handle shear differently.
Where is shear stress highest in a beam?
Maximum shear occurs at the supports; minimum (zero) at points of zero shear force.
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