answer question 25 only You have designed a vertical crest curve which joins a +3% grade and a -4% grade. The design speed is60 mph and you have determined the curve to be 1100 ft long. Now, you need to determine the layout ofthe curve when the BVC is located at station 12+50 ft and has an elevation of 825 ft.17. What is the stationing (ft) of the PVI?18. What is the elevation (ft) of the PVI?19. What is the stationing (ft) of the EVC?20. What is the elevation (ft) of the EVC?21. What is the vertical distance (ft) between the PVI and the road surface?22. What is the elevation (ft) of the road surface at the same stationing as the PVI?23. What is the elevation (ft) of the road surface at station 14+00?24. What is the stationing (ft) of the high point of the road?25. What is the elevation (ft) of the high point of the road?

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Answered: 25. What is the elevation (ft) of the…

Engineering

Civil Engineering

25. What is the elevation (ft) of the high point of the road?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.

Question

answer question 25 only

You have designed a vertical crest curve which joins a +3% grade and a -4% grade. The design speed is
60 mph and you have determined the curve to be 1100 ft long. Now, you need to determine the layout of
the curve when the BVC is located at station 12+50 ft and has an elevation of 825 ft.
17. What is the stationing (ft) of the PVI?
18. What is the elevation (ft) of the PVI?
19. What is the stationing (ft) of the EVC?
20. What is the elevation (ft) of the EVC?
21. What is the vertical distance (ft) between the PVI and the road surface?
22. What is the elevation (ft) of the road surface at the same stationing as the PVI?
23. What is the elevation (ft) of the road surface at station 14+00?
24. What is the stationing (ft) of the high point of the road?
25. What is the elevation (ft) of the high point of the road?

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