Beam Deflection کا حساب کیسے لگائیں
Beam Deflection کیا ہے؟
Beam deflection calculates downward displacement under loading. Engineers use this to ensure beams don't sag excessively and meet serviceability requirements.
فارمولا
The calculator applies beam deflection formulas: δ = PL³/(3EI) for cantilever
مرحلہ وار گائیڈ
- 1Input beam type (cantilever, simply supported, etc.), load type, material properties, and geometry
- 2The calculator applies beam deflection formulas: δ = PL³/(3EI) for cantilever
- 3Results show maximum deflection and compliance with limits
حل شدہ مثالیں
ان پٹ
Cantilever, P=10 kN, L=3 m, EI=200 kN·m²
نتیجہ
δ ≈ 45 mm
At L/4 deflection check
عام غلطیاں جن سے بچنا ہے
- ✕Using beam formula for wrong support conditions
- ✕Neglecting distributed loads when present
اکثر پوچھے جانے والے سوالات
Why limit beam deflection?
Excessive deflection causes floor sag, cracks, misalignment. Building codes limit deflection to L/240-L/360.
How does moment of inertia affect deflection?
Doubling I reduces deflection by half; this is why tall I-beams resist deflection better than wide ones.
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