'Crest vertical curve' presentation slideshows

Vertical Alignment

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Vertical Alignment

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Vertical Alignment CE 2710 Spring 2009 Chris McCahill

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Lec 22, Ch.16, pp.688-704: Vertical alignment (objectives)

Lec 22, Ch.16, pp.688-704: Vertical alignment (objectives). You learned how to lay out a vertical curve, given grades, PVC, PVI, and PVT in CE113 Surveying. If you forgot, please review Chapter 21 of your survey book by McCormac.

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Example #7: Designing a Crest Vertical Curve

Example #7: Designing a Crest Vertical Curve. Design a length of vertical curve for a crest curve based on SSD and the following information: Design Speed = 40 mph g1 = 1.25% g2 = -2.75%. Solution: Determine the change in grade elevation A = |g2-g1| = |-2.75-1.25| A = 4.0%

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Example #6: Designing a Crest Vertical Curve

Example #6: Designing a Crest Vertical Curve. Design a length of vertical curve for a crest curve based on SSD and the following information: Design Speed = 40 mph g1 = 1.25% g2 = -2.75%. Solution: Determine the change in grade elevation A = |g2-g1| = |-2.75-1.25| A = 4.0%

212 views • 1 slides