Homework: Horizontal Curves AssignmentItem 4After a backsight on the PC with 0°00' set on the instrument, what is the deflection angle to thefollowing circular curve points?Part ASetup at curve midpoint, deflection to the PT.Express your answer in terms of the variable I (intersection angle).VAΣo↓1 vecΑΣΦΑSubmitPart BRequest Answer15. ΑΣΦAΣo↓vecSubmitInstrument at curve midpoint, deflection to the 3/4 point.Express your answer in terms of the variable I (intersection angle).Part CRequest Answer1VAΣo↓ vecB ?1SSetup at 1/4 point of curve, deflection to 3/4 point.Express your answer in terms of the variable I (intersection angle).?B?

fter a backsight on the PC with 0°00' set on the instrument, what is the deflection angle to the Ollowing circular curve points? ▾ Part A Setup at curve midpoint, deflection to the PT. Express your answer in terms of the variable I (intersection angle). Submit Part B AΣo↓vec Request Answer Instrument at curve midpoint, deflection to the 3/4 point. Express your answer in terms of the variable IVE ΑΣΦ 11 vec h ? (intersection angle). ?

fter a backsight on the PC with 0°00' set on the instrument, what is the deflection angle to the Ollowing circular curve points? ▾ Part A Setup at curve midpoint, deflection to the PT. Express your answer in terms of the variable I (intersection angle). Submit Part B AΣo↓vec Request Answer Instrument at curve midpoint, deflection to the 3/4 point. Express your answer in terms of the variable IVE ΑΣΦ 11 vec h ? (intersection angle). ?

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
Item 4
After a backsight on the PC with 0°00' set on the instrument, what is the deflection angle to the
following circular curve points?
Part A
Setup at curve midpoint, deflection to the PT.
Express your answer in terms of the variable I (intersection angle).
VAΣo↓1 vec
ΑΣΦΑ
Submit
Part B
Request Answer
15. ΑΣΦ
AΣo↓vec
Submit
Instrument at curve midpoint, deflection to the 3/4 point.
Express your answer in terms of the variable I (intersection angle).
Part C
Request Answer
1
VAΣo↓ vec
B ?
1
S
Setup at 1/4 point of curve, deflection to 3/4 point.
Express your answer in terms of the variable I (intersection angle).
?
B
?

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Step 1: Mention the given data:

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Step 2: A) Calculation of deflection angle from the curve midpoint to the PT:

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Step 3: Part (B) Calculation of deflection angle from the curve midpoint to the 3/4 point :

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Step 4: Part (C) Calculation of deflection angle from the 1/4 point to the 3/4 point

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