A simple circular curve is designed to connect a single lane highway at PI station 64+27.46 sta. with an interior angle (A) = 8° 24'. The terrain conditions require a minimum radius of 2864.79 ft. Compute the following parameters to complete the design process: 1) The station of PC and PT 2) Tangent length (T) 3) Degree of curvature (D) 4) Long Cord (LC) 5) External and middle ordinate (E & M)

A simple circular curve is designed to connect a single lane highway at PI station 64+27.46 sta. with an interior angle (A) = 8° 24'. The terrain conditions require a minimum radius of 2864.79 ft. Compute the following parameters to complete the design process: 1) The station of PC and PT 2) Tangent length (T) 3) Degree of curvature (D) 4) Long Cord (LC) 5) External and middle ordinate (E & M)

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

Highway Surveys and Location

Surveying is an operation in the civil engineering domain that requires collecting and identifying data regarding an area of land and topography. The data that is collected can be helped to plan and undertake the construction process. Civil engineers perform surveys to gather three-dimensional information regarding a particular area. Engineers specify several points on the surface of the earth and relationship between points, and the distance and angles between the points are evaluated. The data from this evaluation guides in drawing plans regarding buildings and structures.

Question

A simple circular curve is designed to connect a single lane highway at PI station 64+27.46 sta. with
an interior angle (A) = 8° 24'. The terrain conditions require a minimum radius of 2864.79 ft.
Compute the following parameters to complete the design process:
1) The station of PC and PT
2) Tangent length (T)
3) Degree of curvature (D)
4) Long Cord (LC)
5) External and middle ordinate (E & M)

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Step 1 Single lane highway

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Step 2 Determine Tangent Length T

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Step 3 Determination of Station PC and Station PT

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Step 4 Determine Degree of Curvature

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Step 5 Determine Long Chord LC

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Step 6 Determine External and Middle E and M

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