Question

can someone help me with this strengths problem?

A member is loaded by forces a, c and d as shown. The member is a hollow member with an outer radius of r0 and a wall thickness of t. The member is fixed at ground level where points F and G occur. Determine:

a) the normal and shear stress at point F.

b) the normal and shear stress at point G

Forces;

a = 30 (k), c= 14 (k), and d = 15 (k)

Dimensions:

e = 32 (in.), f = 16 (in.) , r0 = 4 (in.) and t = 0.125 (in.)

Point F:

The normal stress at point F is ______ (ksi)

The shear stress at point F is ______ (ksi)

Point G:

The normal stress at point G is ______ (ksi)

The shear stress at point G is _____ (ksi)

Front View Right Side View d C a yy-axis e zz-axis G - FI G Top View of Cross-Section f

0 0
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Answer #1

Solue. e Top view of als. Зок C. 141K. d: 15k. e. 32 inch 8 = 16 inch Yo = 4 inch t = 0.125646) Point a load (30k) There willT T - Ghear stress due to Sheast love of 15k. NAT Ib. 15000 *f6 282-5 » 9-352)22.4192 (84-7.754) * 0.25. Gr= 15(25.13 - 23.58at Point C There will be compressiue Stuese due to - Load of Bok → There will be compressius, bending Stuese due to noont of480 7 (84-7.4519 2012) ocor -80.07 KSI Shear Stress due to Shear force of lk. tor VAY СТЬ ta x 2.492 14745 08- ( »1:15 5°)) (

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