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A levelling fieldwork was conducted to determine the profile of an existing road that runs road under a bridge. The headroom is also needed for future reference. Using the data given Table Q3, complete a levelling book and determine the headroom. Perform all necessary checks.

A levelling fieldwork was conducted to determine the profile of an existing road that runs road under a bridge. The headroom is also needed for future reference. Using the data given Table Q3, complete a levelling book and determine the headroom. Perform all necessary checks.

Structural Analysis
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 3 A levelling fieldwork was conducted to determine the profile of an existing road that runs road under a bridge. The headroom is also needed for future reference. Using the data given Table Q3, complete a levelling book and determine the headroom. Perform all necessary checks. Table Q3 Staff Readings Remarks 2.322 (BS); ТВм 1 TBM 1 (24.936m ) 1.867 (FS) ; 1.926 (BS) CP1 3.261 (IS) H1 1.752 (IS) H2 1.777 (IS) H3 1.939 (FS) ; 2.127 (BS) СР2 2.386 (FS) ; 2.019 (BS) СРЗ 2.627 (IS) J1 1.242 (IS) J2 1.666 (IS) J3 1.828 (IS) H5 1.919 (IS) H6 H6 (road surface immediately below H7) -3.451 (IS) H7 H7 (underside of bridge) 0.455 (FS); 1.451 (BS) CP4 1.207 (IS) J8 2.092 (IS) К4 1.599 (IS) K3 1.993 (IS) K2 3.015 (FS) ТВМ 2 TBM 2 (25.121m) BS= BACKSIGHT; IS = INTERMEDIATE SIGHT ; FS = FORESIGHT
Transcribed Image Text:QUESTION 3 A levelling fieldwork was conducted to determine the profile of an existing road that runs road under a bridge. The headroom is also needed for future reference. Using the data given Table Q3, complete a levelling book and determine the headroom. Perform all necessary checks. Table Q3 Staff Readings Remarks 2.322 (BS); ТВм 1 TBM 1 (24.936m ) 1.867 (FS) ; 1.926 (BS) CP1 3.261 (IS) H1 1.752 (IS) H2 1.777 (IS) H3 1.939 (FS) ; 2.127 (BS) СР2 2.386 (FS) ; 2.019 (BS) СРЗ 2.627 (IS) J1 1.242 (IS) J2 1.666 (IS) J3 1.828 (IS) H5 1.919 (IS) H6 H6 (road surface immediately below H7) -3.451 (IS) H7 H7 (underside of bridge) 0.455 (FS); 1.451 (BS) CP4 1.207 (IS) J8 2.092 (IS) К4 1.599 (IS) K3 1.993 (IS) K2 3.015 (FS) ТВМ 2 TBM 2 (25.121m) BS= BACKSIGHT; IS = INTERMEDIATE SIGHT ; FS = FORESIGHT
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