1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is located in an inclined wall and hinged on one edge. Determine the minimum air pressure, p₁, within the container that will open the hatch. Consider the weight of the hatch is 50N. Consider seawater specific gravity is 1.025. 10 m Hatch Seawater 30° Hinge Air pressure, P₁ Free surface

Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter6: Hydraulic Conductivity
Section: Chapter Questions
Problem 6.14P
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1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is
located in an inclined wall and hinged on one edge. Determine the minimum air pressure,
P1, within the container that will open the hatch. Consider the weight of the hatch is 50N.
Consider seawater specific gravity is 1.025.
10 m
Hatch
Seawater
30°
Hinge
Air pressure, P1
Free surface
Transcribed Image Text:1. A structure is attached to the ocean floor as shown in the Figure. A 2-m-diameter hatch is located in an inclined wall and hinged on one edge. Determine the minimum air pressure, P1, within the container that will open the hatch. Consider the weight of the hatch is 50N. Consider seawater specific gravity is 1.025. 10 m Hatch Seawater 30° Hinge Air pressure, P1 Free surface
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