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Unformatted text preview: 28,800,000 psi. The cable consists of 27,572 parallel wires of diameter 0.196 in. Hint: Determine the tensile force T at any point in the cable from a free-body diagram of part of the cable; then determine the elongation of an element of the cable of length ds ; finally, integrate along the curve of the cable to obtain an equation for the elongation d . Solution 2.3-15 Cable of a suspension bridge 86 CHAPTER 2 Axially Loaded Members B A O L 2 q y (b) (a) x h L 2 Equation of parabolic curve: dy dx 5 8 hx L 2 y 5 4 hx 2 L 2 B A O L 2 q y x h L 2 D B O L 2 q y x h D H V B H B F REE-BODY DIAGRAM OF HALF OF CABLE F horizontal 5 (Eq. 1) F vertical 5 (Eq. 2) V B 5 qL 2 H B 5 H 5 qL 2 8 h H 5 qL 2 8 h 2 Hh 1 qL 2 L 4 5 M B 5 0 `~ A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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This note was uploaded on 09/20/2009 for the course COE 3001 taught by Professor Armanios during the Spring '08 term at Georgia Institute of Technology.
- Spring '08