2. Based on the pressure of fluid on the submerged curved or flat plate, hydraulic gates are commonly used in many fluid-related engineering practices. Figure 2 shows a gate under water, where a = 45°, y₁ = (5+ 40) cm, and y2 = 4 m. (a) Will the gate fall or stay in position under the action of the hydrostatic and gravity forces if the gate itself weighs 150 kN and is 1.0 m wide (towards the paper)? Use calculations to justify your answer. (b) Discuss how the gate will be stay or open if the angle of the gate is increased or decreased further to a certain value.

2. Based on the pressure of fluid on the submerged curved or flat plate, hydraulic gates are commonly used in many fluid-related engineering practices. Figure 2 shows a gate under water, where a = 45°, y₁ = (5+ 40) cm, and y2 = 4 m. (a) Will the gate fall or stay in position under the action of the hydrostatic and gravity forces if the gate itself weighs 150 kN and is 1.0 m wide (towards the paper)? Use calculations to justify your answer. (b) Discuss how the gate will be stay or open if the angle of the gate is increased or decreased further to a certain value.

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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Question

2. Based on the pressure of fluid on the submerged curved or flat plate, hydraulic gates are
commonly used in many fluid-related engineering practices. Figure 2 shows a gate under water,
where a = 45°, y₁ = (5+ 40) cm, and y2 = 4 m.
(a) Will the gate fall or stay in position under the action of the hydrostatic and gravity forces if
the gate itself weighs 150 kN and is 1.0 m wide (towards the paper)? Use calculations to
justify your answer.
(b) Discuss how the gate will be stay or open if the angle of the gate is increased or decreased
further to a certain value.

Y₁
Standard
atmospheric
pressure
Hinge
Water
Gate
Y/₂
Figure 2. A gate under water

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