KINDLY DRAW THE REPRESENTATION WITH THE THREE HEELS Three hills A, B, and C are at elevations 135m, 146m, and 154m respectively above sea level. Distance AB is 3.9km while distance BC is 3.1km. a) Find the effect of curvature and refraction between A and B. b) Determine the effect of curvature and refraction between A and B. c) What would be the height of tower to be constructed at hill C so that the line of sight will clear hill B by 2.5m considering the effect of earth’s curvature and refraction?

KINDLY DRAW THE REPRESENTATION WITH THE THREE HEELS Three hills A, B, and C are at elevations 135m, 146m, and 154m respectively above sea level. Distance AB is 3.9km while distance BC is 3.1km. a) Find the effect of curvature and refraction between A and B. b) Determine the effect of curvature and refraction between A and B. c) What would be the height of tower to be constructed at hill C so that the line of sight will clear hill B by 2.5m considering the effect of earth’s curvature and refraction?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

True or false
Given: θ=20o30' Upper Reading=2.800 m Middle Reading=2.000 m (rod reading (RR)= h) Lower Reading=1.200 m Height of Instrument=1.20 m Elevation at point O=140.50 m K=100 C=0 Compute the horizontal distance Determine the vertical distance Calculate the inclined distance find the elevation of point P
An instrument is set-up at point A and vertical angles are observed at B -21º15' and C +33º45'. The height of instrument from point A = 1.5865m. The horizontal distance of BA and BC are 350.2552m and 904.5565m respectively. If point C is at elevation 620.6453m; a. Determine the elevation of B neglecting the effects of the curvature and refraction. b. Determine the elevation of the B making due allowance for the curvature and refraction,
Calculate degree of static indeterminacy
What will be the level difference between points A and Bif curvature and refraction effects are also taken into account for the case as given below: Level is setup at A and staff at B. RL of A = 160 m Height of instrument at A = 1.2 m Reading of staff at B= 1.950 m Distance between A and B = 425 m
. Calculate the true reduced level (m) of a point A after correcting the refraction and curvature. The staff reading at the point taken from an instrument set at a distance of 2 km from the point A is 2.56 m. The staff reading from the same station on a bench mark of reduced level is 100 m is 1.34 m.
4.What is the value of the horizontal component of A in KN?
1. Three Hills A, B and C has elevations of 660m, 625m, and 600m respectively. B is in between A and C, and is 10km from A and 12 km from C. (30 points) a. Considering the effect of curvature and refraction correction, what is the clearance or obstruction of the line of sight at B considering that C is visible from A. b. If a 5 m tower is erected on top of B, what would be the height of equal towers to be erected at A and C in order that A, B and C will be intervisible. c. What should be the height of tower to be erected at C so that B and C will be intervisible from A