Answered: 0+365 0+370 0+375 0+380 BM2 1.008 0.953…

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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0+365
0+370
0+375
0+380
BM2
1.008
0.953
0.880
0.800
0.783
COMPUTATIONS:
1. Computing Height of Instrument and Elevation.
In differential leveling, the following two (3) equations are repeatedly
used
a.) HI= Elev + BS
b.) Elev = HI-FS
c.) Elev = HI - IFS
Where:
HI = height of instrument above a reference datum (MSL)
BS = backsight reading on the rod (or plus sights)
FS = foresight reading on the rod (or minus sights)
IFS = intermediate foresight reading on the rod (or minus
sights)
ELEV = elevation above datum of a point sighted
(Show computations on the computed height of instrument and the elevation
of the certain station or point.)
C.

Transcribed Image Text:Table: Profile Elevation STATION BS BM1 1.515 0+000 +005 0+010 0+015 0+020 0+025 0+030 0+035 0+040 0+045 0+050 0+055 0+060 0+065 0+070 0+075 0+080 0+085 0+090 0+095 0+100 0+105 TP1 0+110 0+115 0+120 0+125 0+130 0+135 0+140 0+145 0+150 0+155 0+160 0+165 0+170 0+175 1.700 HI FS 1.109 IFS 1.520 1.508 1.490 1.470 1.455 1.408 1.418 1.423 1.428 1.403 1.396 1.420 1.405 1.340 1.323 1.306 1.260 1.234 1.229 1.201 1.130 1.109 1.673 1.636 1.647 1.455 1.472 1.430 1.392 1.352 1.320 1.292 1.255 1.210 1.770 1.120 ELEVATION 100 m 0+180 0+185 0+190 0+195 TP2 0+200 0+205 0+210 0+215 0+220 0+225 0+230 0+235 0+240 0+245 0+250 0+255 0+260 0+265 TP3 0+270 0+275 0+280 0+285 0+290 0+295 0+300 0+305 0+310 0+315 0+320 0+325 0+330 0+335 0+340 0+345 0+350 0+355 0+360 0+365 1.660 1.977 O 1.030 0.913 1.085 1.050 1.017 1.030 1.630 1.648 1.638 1.554 1.389 1.285 1.216 1.161 1.478 1.086 1.039 0.968 0.922 0.913 1.913 1.871 1.814 1.758 1.668 1.545 1.444 1.412 1.353 1.354 1.335 1.328 1.297 1.273 1.241 1.156 1.155 1.101 1.050 1.008 Q O ||C|||

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