Shear Stress کا حساب کیسے لگائیں
Shear Stress کیا ہے؟
Shear stress is stress from forces parallel to a surface, causing internal sliding. It's critical for joint design and fastener selection.
فارمولا
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
مرحلہ وار گائیڈ
- 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
حل شدہ مثالیں
ان پٹ
V = 50 kN, A = 0.01 m² (100×100 mm)
نتیجہ
τ = 5 MPa (low for steel)
Safe for typical steel
عام غلطیاں جن سے بچنا ہے
- ✕Using average stress instead of accounting for concentration
- ✕Neglecting shear in fastener design
اکثر پوچھے جانے والے سوالات
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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