An instrument is set-up at point M andvertical angles are observed at N(-21°15') and O (+33°45'). The heightof instrument from point M is1.5865m. The horizontal distance ofNM and NO are 35G.2552m and9GF.5565m respectively. If point O isat elevation 6AE.6453m,a. Determine the elevation of Nneglecting the effects of curvature andrefraction.b. Determine the elevation of Nmaking due allowance for curvatureand refraction.

Note- There are some missing values in the lengths given in the question (35G.2552) m. As per the…

Answered: An instrument is set-up at point M and…

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

A tower is located on a hilltop at T. Angular readings are taken with a theodolitefrom two instrumentation stations A and B, which are 50 m apart. Given the followingdata, determine the R.L. of hilltop at T and the tower height. Height of instrument (R.L.of instrumental centre) = 10 m. Vertical angles from A to the top and bottom of thetower at T is 35° and 28°(upward) respectively. Whole circle bearing of line AT, ABand BTis 25°, 110°, 5° respectively.
Q3: Find the elevation of all point if the elevation of Last point is 30 m and check the results. (25 %) Station B.S F.S elevation В.М 1.245 T.P, 3.254 2.523 T.P2 2.522 1.421 T.P3 1.242 0.263 3.486 30
Questiore 1 The staff readings, taken with a tacheometer, are 0.850m, 1.170m, and 1.525 m. Determine the horizontal distance from the instrument station to staff if K=100 and C = 0.20m. If the RL. of instrument station is 101.5m and height of trunnion axis is 1.36m, then RL. of the staff station is
3. Given the respective reading from an internally focused instrument from a stadia rod are as follows; Upper stadia reading = 1.100m Middle reading = 1.195m Lower stadia reading = 1.290 A. What is the rod intercept S? B. Determine the stadia distance C. Compute the elevation of sighted station if the height of level instrument from the occupied station is 1.50m. Assume elevation of station occupied is 100m
17.The height of a tower was determined by trigonometric leveling. The instrument was set up at point A, a distance of 75m from the base of the tower. The height ofinstrument set up was measured to be 1.22m. The top of the tower was observed at an angle of + 35o22’. Calculate the height of tower.
STA. B.S. F.S. ELEV. 7.994 388.84 9.154 6.443 5.604 6.403 4 9.374 7.233 12.314 5.723 11.414 4.603 5.093 a. Complete the differential leveling tabulatior b. Find the difference in elevation of staion 7 and station 4. c. Find the height of the instrument of station 3 d. Show the arithmetic check. "
1. A backsight of 3.055 m is taken on a point 75 m from a level station and a foresight of 1.258 m from the same station. Determine the difference in elevation between the two points, taking into account the effects of the earth's curvature and atmospheric refraction. 2. Complete the differential leveling notes below and perform the customary arithmetic check. STA BS HI FS ELEVATION BM 10 2.085 137.450 m TPI 2.015 0.982 TP2 !.864 1.428 TP3 0.579 1.527 BMII 0.423 2.423 ТР4 1.446 1.807 ТР5 1.778 1.725 TP6 2.05 ! 2.339 TP7 2.920 1.005 BM 12 3.186 2.358 TP8 2.805 0.995 TP9 0.774 1.206 BM 13 0.603
A dumpy level is setup at one end of a line 120m long for the purpose of determining the instrument’s stadia interval factor. The line is marked by hubs at every 30m and a stadia rod were observed as follows: 0.308, 0.613, 0.918, and 1.222 meters respectively. The average value of the instruments stadia interval factor is?
Determine elevation the top of a tower from the following observation.. Inst. St. Target Reading on B.M V. angle of a Remarks UM L tower 4.025 3.525 3.025 2.757 3.007 3.257 90° 90° 18:30 Stat 3.007 B R.L.M=72.88 GENIX
A tacheometer was set up at B.M and the following observations were made with a leveling staff held vertically at P and Q. Ins: Station Staff Station Vertical Angle Hair Readings Bearings Remarks B.M P +10° 00’ 1.050, 1.103, 1.156 40° R.L of B.M =1958.500 ft Q -15° 00’ 0.952, 1.055, 1.158 140° The constant of instrument (f/i) = 100, Height of instrument = 5.15 ft Compute: The horizontal distance between P and Q Reduced Levels of P and Q Grade between P and Q
The following tacheometric observations were made from station A to stations 1 and 2. The height of the instrument above the ground was 1.52 m. Take stadia interval factor and constant as 100 and 0, respectively. If the staff was inclined by 1° to the vertical, solve for the following:a. Error in horizontal distance if the staff is inclined towards theinstrument for the line A-1. b. Error in the vertical distance if the staff is inclined away from theinstrument for the line A-2. c. If the elevation of point 1 is 115.673 m, determine the correctelevation of point 2.
If a plus sight of 3.54ft is taken on BM A, evelation 850.48ft, and a minus sight of 7.84ft is read on point X, calculate the HI the elevation of point X.

SEE MORE QUESTIONS

Recommended textbooks for you

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Structural Analysis

Civil Engineering

ISBN:

9781337630931

Author:

KASSIMALI, Aslam.

Publisher:

Cengage,

Structural Analysis (10th Edition)

Civil Engineering

ISBN:

9780134610672

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Principles of Foundation Engineering (MindTap Cou…

Civil Engineering

ISBN:

9781337705028

Author:

Braja M. Das, Nagaratnam Sivakugan

Publisher:

Cengage Learning

Fundamentals of Structural Analysis

Civil Engineering

ISBN:

9780073398006

Author:

Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning

Publisher:

McGraw-Hill Education

Sustainable Energy

Civil Engineering

ISBN:

9781337551663

Author:

DUNLAP, Richard A.

Publisher:

Cengage,

Traffic and Highway Engineering

Civil Engineering

ISBN:

9781305156241

Author:

Garber, Nicholas J.

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS