In order to find the Deflection increament and chord distance we need to calculate Tangent length…

Answered: For a highway curve with Da = 5°00', I…

For a highway curve with Da = 5°00', I = 20°30', and Pl station = 63 +25.53 ft, calculate the requested values to lay out the circular curve at full stations (100 ft).

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

Curve setting

A curve is a turn that is provided horizontally or vertically in the design of highways, railways, and runways. A curve connects two straight lines that are separated by the deflection angle. It helps to change the direction and alignment of the highways, railway tracks, and runways. Therefore, the gradual change in their alignment is made by using a curve to provide comfort to the passengers and this also provides an easy turn to change the direction of the moving vehicle.

Question

<Homework: Horizontal Curves Assignment
Problem 24.15
For a highway curve with Da = 5°00',
I = 20°30', and Pl station = 63 + 25.53 ft,
calculate the requested values to lay out the
circular curve at full stations (100 ft).
Part F
Station
111111
+
Tabulate stations, deflection angles, and incremental chords to lay out the curve at full stations (100 ft).
Express angles in degrees to four decimal places; express first station numbers as integers; second station numbers and chord
lengths should be expressed in feet to two decimal places. The PC station should be placed at the bottom of the table.
+
+
+
+
+
00.00
00.00
00.00
00.00
Chord
10000
Defl. Increment
<
2.500
2.500
2.500
2 of 4
Q
Review
Defl. Angle
>
?

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Step 1: Calculation of Tangent length and Length of curve

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Step 2: Calculation of station at PC and PT

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Step 3: Calculation of Deflection increment, Chord distance and deflection Angle

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