Answer the unknowns Mark two points on the ground and call this as BM1 and BM2. Assume the elevation of BM1 is givenand the elevation of BM2 to be determined.Set up the level or theodolite at a convenient location 100 meters from BM1 and take and recordthe B.S. of BM1.Select two turning points near each other, one low and the other high about the same distance fromthe level or theodolite. Designate the low turning point as TP1L and the high turning point as TP1H.Take and record two F.S., one from low TP (or TP1L) and other from high T.P. (TP1H).Transfer the instrument midway between TP1 (low and high) and the following selected TP2.Take and record the B.S. of the TPIL first followed by TP1H.Revolve the instrument in the direction of TP2 and take record the F.S. of TP and TP2H.Follow the same procedure until BM2 is reached. Take and record the F.S. of BM2. Only single F.S.at BM2 must be taken. StationB.S.Н.F.S.ElevationRemarksBM171cm66cm-72cm100TP1TP2185-189.532cm-37cm291-294ТРЗ34cm-36cm302-300TP466.5cm-62.4cm285-281191-19361.3-52.8TP586cm-83cmTP6208.5-206334-323TP716-1877.5-70.5TP8334-344Tp9152-155.5

HI = ELEVATION +BS ELEVATION = HI - FS

Station BM1 TP1 B.S. H.I. F.S. Elevation Remarks 71cm 66cm-72cm 32cm-37cm 100 185-189.5 ТP2 TP3 291-294 34cm-36cm 302-300 285-281 191-193 61.3-52.8 TP4 TP5 66.5cm-62.4cm 86cm-83cm 208.5-206 TP6 TP7 334-323 16-18 TP8 334-344 77.5-70.5 Tp9 152-155.5

Station BM1 TP1 B.S. H.I. F.S. Elevation Remarks 71cm 66cm-72cm 32cm-37cm 100 185-189.5 ТP2 TP3 291-294 34cm-36cm 302-300 285-281 191-193 61.3-52.8 TP4 TP5 66.5cm-62.4cm 86cm-83cm 208.5-206 TP6 TP7 334-323 16-18 TP8 334-344 77.5-70.5 Tp9 152-155.5

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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Question

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Answer the unknowns

Mark two points on the ground and call this as BM1 and BM2. Assume the elevation of BM1 is given
and the elevation of BM2 to be determined.
Set up the level or theodolite at a convenient location 100 meters from BM1 and take and record
the B.S. of BM1.
Select two turning points near each other, one low and the other high about the same distance from
the level or theodolite. Designate the low turning point as TP1L and the high turning point as TP1H.
Take and record two F.S., one from low TP (or TP1L) and other from high T.P. (TP1H).
Transfer the instrument midway between TP1 (low and high) and the following selected TP2.
Take and record the B.S. of the TPIL first followed by TP1H.
Revolve the instrument in the direction of TP2 and take record the F.S. of TP and TP2H.
Follow the same procedure until BM2 is reached. Take and record the F.S. of BM2. Only single F.S.
at BM2 must be taken.

Station
B.S.
Н.
F.S.
Elevation
Remarks
BM1
71cm
66cm-72cm
100
TP1
TP2
185-189.5
32cm-37cm
291-294
ТРЗ
34cm-36cm
302-300
TP4
66.5cm-62.4cm
285-281
191-193
61.3-52.8
TP5
86cm-83cm
TP6
208.5-206
334-323
TP7
16-18
77.5-70.5
TP8
334-344
Tp9
152-155.5

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