A concrete cube 60 cm on each edge (sp. gr. 2.40) rests on the bottom of a tank in which sea water stands to a depth of 5 m. The bottom edges of the block and sealed off so that no water is admitted under the block. Find the vertical pull required to lift the block. Note: The answer should be 13.76 kN.

Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter16: Lateral Earth Pressure
Section: Chapter Questions
Problem 16.18P: For the data given in this problem, determine the magnitude of the active thrust on the wall...
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A concrete cube 60 cm on each edge (sp. gr. 2.40) 
rests on the bottom of a tank in which sea water 
stands to a depth of 5 m. The bottom edges of the 
block and sealed off so that no water is admitted 
under the block. Find the vertical pull required to 
lift the block. 

Note: The answer should be 13.76 kN.

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