Answered: QI: -In leveling, the following…

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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Transcribed Image Text:ملاحظة : الاجابة على جميع الأسئلة و رسم السؤال الثلث يكون على ورقة بيانية QI: -In leveling, the following readings were taken starting from B.M. of (29.386m) elevation, then the instrument was moved after the (3) and (8th) readings (1.793, 1.326, 1.179, 1.448, 1.354, 1.676, 1.526, 1.437, 1.789, 1.214 & 1.414). Compute the elevations of the points by using height of instrument method? Q2: -Compute the corrected elevations of all points if R.L. (known) of B.M. was (170.850 m) and R.L. (computed) of B.M. was (170.858 m), C 10 using the following data: - Point Distance R.L. B.M. 170.850 400 172.433 850 176.309 950 3 174.540 690 B.M. 170.858 Q3: - The longitudinal levelling was done for construction road; the values of ground elevation are shown in table below:- Station 0+70 1+30 1+80 Ground Elevation 50.950 Grade Elevation 50.000 1.) Draw the profile section with horizontal scale (1/ 1000), vertical 51.500 51.300 49.750 scale (1/ 50). 2.) Draw the construction line for a road with elevation (50.000 m) and slope (1 %) up.

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