Find: a) the stadia interval for station L b) The horizontal distance between the instrument and Station J c) The elevation of Station K d) Using atmospheric pressure to determine the difference in elevation involves: Barometric levelling, Curvature and Refracture, Differential Levelling, or Profile Levelling?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Find:

a) the stadia interval for station L

b) The horizontal distance between the instrument and Station J

c) The elevation of Station K

d) Using atmospheric pressure to determine the difference in elevation involves:

Barometric levelling, Curvature and Refracture, Differential Levelling, or Profile Levelling?

Station
Occupied
The instrument is 1.57m above ground level at K.
K
The elevation of J is 326.3 m above sea level.
Note that points K, J, and L are collinear and K is situated between stations J and L.
The stadia constant is 0.31m and the K-99.3.
-
đi diện nhi ly hôn ch
Station Vertical
Observed
angle (0)
J
-4°37'
L
M
-29°25'
45
Upper
Stadia Hair
1.479
1.633
Lower
Stadia
Hair
0,500
1.000
Middle Stadia
Hair
0.990
1.318
Transcribed Image Text:Station Occupied The instrument is 1.57m above ground level at K. K The elevation of J is 326.3 m above sea level. Note that points K, J, and L are collinear and K is situated between stations J and L. The stadia constant is 0.31m and the K-99.3. - đi diện nhi ly hôn ch Station Vertical Observed angle (0) J -4°37' L M -29°25' 45 Upper Stadia Hair 1.479 1.633 Lower Stadia Hair 0,500 1.000 Middle Stadia Hair 0.990 1.318
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