9.6_Trusses - ENGR 211 Lecture 9 Applications of...

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ENGR 211 Lecture 9 Fall 2007 1 Civil Engineering Applications of Applications of Equilibrium to Structures Equilibrium to Structures (Trusses, Frames, Machines) Civil Engineering Colorado State Colorado State University University Circa 1972 Circa 1972
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ENGR 211 Lecture 9 Fall 2007 2 Civil Engineering Tools of the trade Tools of the trade Civil Engineering Just to Compare Just to Compare 1972 • Min. Wage was $1.60 • Vietnam Today • Min. Wage is $7.80 • Iraq & Afghanistan Mine wasn’t convertible But it did have a 383
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ENGR 211 Lecture 9 Fall 2007 3 Civil Engineering Just to Compare Just to Compare 1972 • Gas was $0.44 9 • HP 35 was a year away • HP 35 cost $410 • Women wore short skirts • Men had long hair and sideburns • Eric Clapton, Carlos Santana & the Rolling Stones were big Today • Gas is $2.80 Calculator $4.25 • Look around at the men and women. • OK, bad example Civil Engineering Applying Equilibrium to Applying Equilibrium to Structures Structures • An object may be solid or it may be made of several pieces.
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9.6_Trusses - ENGR 211 Lecture 9 Applications of...

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