Paano Kalkulahin si Shear Stress
Ano ang Shear Stress?
Shear stress is stress from forces parallel to a surface, causing internal sliding. It's critical for joint design and fastener selection.
Pormula
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
Step-by-Step na Gabay
- 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
Mga Nalutas na Halimbawa
Input
V = 50 kN, A = 0.01 m² (100×100 mm)
Resulta
τ = 5 MPa (low for steel)
Safe for typical steel
Mga Karaniwang Mali na Dapat Iwasan
- ✕Using average stress instead of accounting for concentration
- ✕Neglecting shear in fastener design
Mga madalas itanong
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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