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Unformatted text preview: to be considered for the bars: 1) Aluminum, 2) Stainless steel, and 3) Carbon Steel. The associated engineering, material, and cost properties of these materials are shown in Table 1. Table 1. Material Properties Yield fy (psi) E (lb‐in2) Cost ($/lb) Density 3 (lb/in ) Aluminum 35,000 10.2 x 106 $1.05 0.100 Stainless Steel 40,000 27.6 x 106 $1.85 0.292 30,000 29.0 x 106 $0.40 0.284 Material Carbon Steel The budget available for the cost of materials in the construction of the truss is $1,000; i.e., the cost of materials c...
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This document was uploaded on 03/11/2014.

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