Cara Menghitung Shear Stress
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Shear stress is stress from forces parallel to a surface, causing internal sliding. It's critical for joint design and fastener selection.
Rumus
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
Panduan Langkah demi Langkah
- 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
Contoh Terpecahkan
Masukan
V = 50 kN, A = 0.01 m² (100×100 mm)
Hasil
τ = 5 MPa (low for steel)
Safe for typical steel
Kesalahan Umum yang Harus Dihindari
- ✕Using average stress instead of accounting for concentration
- ✕Neglecting shear in fastener design
Pertanyaan yang sering diajukan
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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