• The horizontal and vertical support reactions exerted by the ground on the base AB of the dam. . Assuming that the dam rotates about the bottom left corner (Point A), how far away from Point A must the vertical support reaction Ry act to ensure

• The horizontal and vertical support reactions exerted by the ground on the base AB of the dam. . Assuming that the dam rotates about the bottom left corner (Point A), how far away from Point A must the vertical support reaction Ry act to ensure

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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Concept explainers

Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.

Question

A concrete dam of mass density 2,400 kg/m³ with dimensions a = 9 m, b = 6 m and c = 4 m, is subject to a hydrostatic fluid pressure on its right hand face. If
the density of water is 1,000 kg/m³ and the dam is very long out of plane, determine:
• The horizontal and vertical support reactions exerted by the ground on the base AB of the dam.
• Assuming that the dam rotates about the bottom left corner (Point A), how far away from Point A must the vertical support reaction Ry act to ensure
a
the dam remains in static equilibrium?
18 m
concrete
dam
Reactions:
Rx =
数字
单位
Ry =
单位
Distance from Point A to the vertical support reaction Ry:
Xbar = 数字
单位
15 m
A
(tolerance 5 kN)
(tolerance 5 kN)
(tolerance 0.1 m)
B

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