Q#1: A profile levelling is carried out and consecutive readings were observed on staff rod along a chain line at common interval of 10 meter which are listed below in table. First reading is taken on bench mark of 105.615 meter reduce level. Station PointsChainage (m)Staff Readings (m)RemarksBSISFS1003.005 BM210 2.285 320 1.560 430 1.785 540 2.105 6502.875 3.105CP 1X53.35 3.465 760 3.955 870 3.120 980 3.015 1090 2.580 11100 1.955CP 2 Determine the reduce levels of all points using both line of collimation and rise and fall method. (Present your answer in table form).

Using the following formulae: RL+BS=HI HI-(IS/FS)=RL BS-IS=Rise/Fall Previous RL±Rise/Fall=Next RL

Answered: Q#1: A profile levelling is carried out…

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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Q#1: A profile levelling is carried out and consecutive readings were observed on staff rod along a chain line at common interval of 10 meter which are listed below in table. First reading is taken on bench mark of 105.615 meter reduce level.

Station Points	Chainage (m)	Staff Readings (m)	Remarks
BS	IS	FS
1	00	3.005			BM
2	10		2.285
3	20		1.560
4	30		1.785
5	40		2.105
6	50	2.875		3.105	CP 1
X	53.35		3.465
7	60		3.955
8	70		3.120
9	80		3.015
10	90		2.580
11	100			1.955	CP 2

Determine the reduce levels of all points using both line of collimation and rise and fall method. (Present your answer in table form).

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