Route Surveying 202.02 A vertical parabolic curve 600 m long, has a back tangent grade of +5% and a forward tangent of2.5%. Compute the minimum visibility of the vertical parabolic curve for a driver whose eye level i1.5 m above the asphalt pavement of the curve.a.) 165.34b.) 154.92c.) 185.46d.) 125.77Enter your answer1825.02 A grade descending at the rate of -4% intersects another grade ascending at the rate of +8% atstation 2+000, elevation 100 m. A vertical curve is to connect the two such that the curve willclear a boulder located at station 1+980, elevation 101.34 m. determine the necessary length of thecurve.a.) 80 m.b.) 120 m.c.) 100 m.d.) 150 m.

Usibg relation :L=NS22H1+H2H1=eye level=1.5mH2=asphalt level=0

Answered: Surveying

Engineering

Civil Engineering

Surveying

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

Surveys of public lands

A survey is a method used to determine the relative positions of various objects on the land by measuring the horizontal distances between them. Briefly, a survey is a process of accumulation of data of various details related to land. The main objective of surveying land is to prepare maps to a suitable scale. Various types of maps such as topographical maps, cadastral maps, engineering maps, military maps, contour maps, geological maps, archaeological maps, and so on can be prepared by surveying.

Question

Route Surveying

202.02 A vertical parabolic curve 600 m long, has a back tangent grade of +5% and a forward tangent of
2.5%. Compute the minimum visibility of the vertical parabolic curve for a driver whose eye level i
1.5 m above the asphalt pavement of the curve.
a.) 165.34
b.) 154.92
c.) 185.46
d.) 125.77
Enter your answer
18
25.02 A grade descending at the rate of -4% intersects another grade ascending at the rate of +8% at
station 2+000, elevation 100 m. A vertical curve is to connect the two such that the curve will
clear a boulder located at station 1+980, elevation 101.34 m. determine the necessary length of the
curve.
a.) 80 m.
b.) 120 m.
c.) 100 m.
d.) 150 m.

Determining the relative position of points on the Earth's surface and measuring the angle and distance between them in order to calculate the required parameters such as elevation and enclosed area.

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