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43_Mechanics Homework Mechanics of Materials Solution

# 43_Mechanics Homework Mechanics of Materials Solution -...

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Unformatted text preview: 1.55 A steel plate 135- in. thick is embedded in a horizontal concrete slab and is used to anchor a high-strength vertical cable as shown. The diameter of the hole in the plate is% - in., the ultimate strength of the steel used is 36 ksi , and the ultimate bonding stress between plate and concrete is 300 psi. 1.56 Determine the factor of safety for the cable anchor of Prob. 1.55 when P = 3 kips, knowing that a = 2 in. and b “—" 7.5 in, PROBLEM 1.56 SOLUTION 3 [Lips BaSeai on {evasion in Pia-i: A = (a-ellt = (24%?) - o.3aoe in‘ P0 '-' 63A = (saw-3906): was kc,” F-S-= %=-’§9§ - 4.99 in Baseoi on shear between PPai-e and concre'i'e speck) A = Peri‘me‘ler v olepi'h 2Ca+t)b = 2(2+T€-)(7.55 2. A = 34.69 in “r, = 0.300 ksi' Pu = ’t'oA = (0.300lC34.e~?) = 10.4: MP5 .25.: if} ._. 1231'. = 3.47 Act-loaf ‘Faviw oi: Sat-Pei}! is Hm: smaller vdae ESE-”3.97 u. ...
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