13. A vertical sided rectangular tank ABCD is to be constructed such that sides AB and AD have lengths 60 m and 30 m, respectively. The formation level is to change uniformly from 82 m above datum along AD to 80 m above datum along BC. Readings were taken with a level in the following order: Rod Reading (m) Rod Station BM near A BS 1.085 Elev 87.64 m IFS 2.230 GL at A IFS 2.580 GL at D FS 1.755 GL at E (The intersection of AC and BD) BS 1.595 GL at E IFS 0.995 GL at B FS 1.145 GL at C Estimate the amount of excavation required in the construction of the tank.(GL-ground level)

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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13. A vertical sided rectangular tank ABCD is to be constructed such that sides AB and AD
have lengths 60 m and 30 m, respectively. The formation level is to change uniformly
from 82 m above datum along AD to 80 m above datum along BC. Readings were taken
with a level in the following order:
Rod Reading (m)
Rod Station
BS 1.085
BM near A
Elev 87.64 m
IFS 2.230
GL at A
IFS 2.580
GL at D
FS 1.755
GL at E
(The intersection of AC and
BD)
BS 1.595
GL at E
IFS 0.995
GL at B
FS 1.145
GL at C
Estimate the amount of excavation required in the construction of the tank.(GL=ground
level)
Transcribed Image Text:13. A vertical sided rectangular tank ABCD is to be constructed such that sides AB and AD have lengths 60 m and 30 m, respectively. The formation level is to change uniformly from 82 m above datum along AD to 80 m above datum along BC. Readings were taken with a level in the following order: Rod Reading (m) Rod Station BS 1.085 BM near A Elev 87.64 m IFS 2.230 GL at A IFS 2.580 GL at D FS 1.755 GL at E (The intersection of AC and BD) BS 1.595 GL at E IFS 0.995 GL at B FS 1.145 GL at C Estimate the amount of excavation required in the construction of the tank.(GL=ground level)
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