A 10 × 14 beam of Hem Fir select structural grade is loaded symmetrically with three concentrated loads of 4300 lb, each placed at the quarter points of the span. a) Compute the shear force (V) and shear stress (fv). b) Compare the actual shear stress (computed in part A) with the allowable shear stress (shown in the tables in Chapter 5 as shear parallel to grain) to determine if the beam is safe for shear.

Structural Analysis
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Chapter2: Loads On Structures
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A 10 × 14 beam of Hem Fir select structural grade is loaded symmetrically with three
concentrated loads of 4300 lb, each placed at the quarter points of the span.
a) Compute the shear force (V) and shear stress (fv).
b) Compare the actual shear stress (computed in part A) with the allowable shear stress
(shown in the tables in Chapter 5 as shear parallel to grain) to determine if the beam is
safe for shear.
Transcribed Image Text:A 10 × 14 beam of Hem Fir select structural grade is loaded symmetrically with three concentrated loads of 4300 lb, each placed at the quarter points of the span. a) Compute the shear force (V) and shear stress (fv). b) Compare the actual shear stress (computed in part A) with the allowable shear stress (shown in the tables in Chapter 5 as shear parallel to grain) to determine if the beam is safe for shear.
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