Glossary » Beams » Simply Supported » Uniformly Distributed Load » Four Equal Spans » Wide Flange Steel I Beam » W8 × 58
For a simply supported beam in four equal spans, we compute the displacement at the middle of the first and fourth spans, and the maximum normal stress
occuring at the second and fourth supports of the beam.
The tabulated data listed in this page are calculated based on the area moment of inertia (Ixx
= 228 in4
) for the W8 × 58 Wide Flange Steel I Beam
and the typical Young's modulus (E
= 3.046 × 107
psi) of steels. Note that the typical yielding stress
of steels can range from 1.015 × 104
to 2.970 × 105
psi. The purpose of this page is to give a rough estimation of the load-bearing capacity of this particular beam, rather than a guideline for designing actual building structures. Please check your local building codes for regulatory requirements.
Note: The weight of the beam itself is not included in the calculation.
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