Structural Beam Bending Equations / Calculation Supported on Both Ends Loaded Two equal Loads

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Structural Beam Bending Equations / Calculation Supported on Both Ends Loaded Two equal Loads

Stress between nearest load and support point

Stress between the two loads

Stress at each load application and all points between

Deflection between nearest load and support point

Deflection between loads

Deflection at center

Deflection at loads

Where:

E =	Modulus of Elasticity	psi	(N/m²⁾
I =	Moment of Inertia	in⁴	(m⁴⁾
W =	Load	lbs	(N)
s =	Stress at the cross-section being evaluated	Lbs/in²	(N/m²)
y =	Deflection	inches	(m)
x =	Some distance as indicated	inches	(m)
a =	Some distance as indicated	inches	(m)
v =	Some distance as indicated	inches	(m)
l =	Some distance as indicated	inches	(m)
Z =	section modulus of the cross-section of the beam
Z =	I distance from neutral axis to extreme fiber (edge)