Example 2. A vertical angle of -15 35' is measured to the top of a flagpole from an instrument set up on a rolling hill with an inclined distance of 625,45 meters away from it. The instrument is 1.45 m above the ground whose elevation is 520.15 m above mean sea level. If the height of the flagpole is 8 meters, find: a). Horizontal distance from the instrument to the base of the pole b).the elevation of the base.

Example 2. A vertical angle of -15 35' is measured to the top of a flagpole from an instrument set up on a rolling hill with an inclined distance of 625,45 meters away from it. The instrument is 1.45 m above the ground whose elevation is 520.15 m above mean sea level. If the height of the flagpole is 8 meters, find: a). Horizontal distance from the instrument to the base of the pole b).the elevation of the base.

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

11. Please include complete solution and diagram if possible.
Find out the deflection angles from the following observations Lines AB BC Bearing N 42° 20' E N 30° 00'E 72°20'R 12°20'L 12°20'R 72°20'L 72°40'L
Q- A section line AB 300m long on a flat terrain measures 102.3mm on a vertical photograph. A radio tower also appears on the photograph .The distance measured from the principal points to the image of the bottom and top of the radio tower are found to be 70mm and 80mm respectively. The average elevation of the terrain was 553m. The height of the tower m. Take f=152.4mm
1. Given: STATION ELEVATION (m) DISTANCE SAD HILL LOVE HILL SAD hill to LOVE hill = 12km LOVE hill to HAPPY hill = 15 km 680 645 HAPPY HILL 620 a. Compute the elevation of the line of sight from SAD HILL such that HAPPY HILL would be visible from station SAD HILL. b. Assuming that station LOVE HILL will obstruct the sight from SAD HILL while observing HAPPY HILL and 4 m tower is constructed on top of LOVE HILL. Compute the height of equal towers at SAD and HAPPY HILL in other that three stations as observed from SAD HILL will still be intervisible. c. Without constructing any tower at LOVE HILL, what height of tower must be constructed at HAPPY HILL so that both LOVE and HAPPY HILL would be visible from SAD HILL.
Fundamentals of Surveying: Please show your solution. 7.) A line with bearing, N 77° 45' E intersects another line whose bearing is S 77° 15' E. Determine their deflection angle.
PROBLEM 3: A stadia rod held at a distant point B is sighted by an instrument setup at A. The upper and lower stadia hair reading was observed as 1.300m and 0.900m, respectively. If the stadia interval factor is 100, and the stadia constant is zero, determine the length of the line AB.
Complete the table below. C 118°37 9 105°22' Sta A B C D E 108° 28' E B 120°28' N30°00'W MERIDIAN 87°05' DEFLECTION ANGLE ANGLE TO THE RIGHT
A tacheometer is setup at station A and the staff is held vertical at a point B. The telescope inclined at an angle of depression 10° to the horizontal, the readings on the staff are 2.680, 1.825, 1.000m. If the height of instrument (H! ) is 1.40m and R.L. of station A is 360.8 m, then the R.L. of point B is cm. [Take multiplying and additive constant of the instrument to be 100 and 1 respectively]
Two people at points A and B observe a sailboat at position C. The distance between points A and B on the shoreline is 20 m. The first observer measures A = 65° and the second observer measures B= 42°. Find the distance from C to the shoreline (AB). 65 42 20 m
Distance by Tachymetry 1. A stadia rod held at a distant point E is sighted by an instrument positioned at point D.Determine the length of line ED if the upper and lower stadia readings were observed as 1.50 and 1.40 respectively.
With the line of sight horizontal, solve for the stadia constant given the following? Station Occupied: A Station Observed: B Distance from A to B: 140m Stadia Intercept = 1.70cm Station Occupied: A Station Observed: C Distance from A to C: 70m Stadia Intercept = 1.00cm Fundamentals of surveying
Fundamentals of Surveying: Please show your solution. 8.) A line with bearing, S 77° 45' W intersects another line whose bearing is S 77° 15' W. Determine their deflection angle.