3G70% 3:23L2 DISTANCE MEA... [Worked examples: Use of stadiaTacheometry FormulaeA 1" reading theodolite having a multiplying constant of100 and an additive constant of 0 was centred andlevelled a height of 1.48m above a point C of reducedlevel 46.87A levelling staff was held vertically at points D and L inturn and the readings shown in the table below weretakenCalculate (i)the reduced levels of points D and IStaff Readings (m)StaffVertical circleHorizontal circle3.240, 3.047,2.85387°38'53"5649'31"L2.458, 2.230, 2.00292°21'36"9807'18"3232 / 43

Answered: Image /qna-images/answer/e4103895-9312-4014-b376-69dde75b0ae3.jpg

taken Calculate (ithe reduced levels of points D and I. Staff Staff Readings (m) Vertical circle Horizontal circle D 3.240, 3.047, 2.853 87 38' 53" 56° 49' L 2.458, 2.230, 2.002 92° 21' 36" 98° 07'

taken Calculate (ithe reduced levels of points D and I. Staff Staff Readings (m) Vertical circle Horizontal circle D 3.240, 3.047, 2.853 87 38' 53" 56° 49' L 2.458, 2.230, 2.002 92° 21' 36" 98° 07'

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

Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.

Question

100%

3G
70% 3:23
L2 DISTANCE MEA... [
Worked examples: Use of stadia
Tacheometry Formulae
A 1" reading theodolite having a multiplying constant of
100 and an additive constant of 0 was centred and
levelled a height of 1.48m above a point C of reduced
level 46.87
A levelling staff was held vertically at points D and L in
turn and the readings shown in the table below were
taken
Calculate (i)the reduced levels of points D and I
Staff Readings (m)
Staff
Vertical circle
Horizontal circle
3.240, 3.047,
2.853
87°
38'
53"
56
49'
31"
L
2.458, 2.230, 2.002
92°
21'
36"
98
07'
18"
32
32 / 43

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