A three-span continuous beam has an internal hinge at B. Section B is at the mid-span of AC. Section E is at the mid-span of CG. The 20 kN load is applied at section B whereas 10 kN loads are applied at sections D and F as shown in the figure. Span GH is subjected to uniformly distributed load of magnitude 5 kN/m. For the loading shown, shear force immediate to the right of section E is 9.84 kN upwards and the hogging moment at section E is 10.31 kN-m. 20 kN 10 kN 10 kN 5 kN/m C B ADEF А H. AB = BC = 2 m ; CD = DE = EF = FG = 1m; GH = 4m %3D The magnitude of the shear force immediate to the left and immediate to the right of section B are, respectively

A three-span continuous beam has an internal hinge at B. Section B is at the mid-span of AC. Section E is at the mid-span of CG. The 20 kN load is applied at section B whereas 10 kN loads are applied at sections D and F as shown in the figure. Span GH is subjected to uniformly distributed load of magnitude 5 kN/m. For the loading shown, shear force immediate to the right of section E is 9.84 kN upwards and the hogging moment at section E is 10.31 kN-m. 20 kN 10 kN 10 kN 5 kN/m C B ADEF А H. AB = BC = 2 m ; CD = DE = EF = FG = 1m; GH = 4m %3D The magnitude of the shear force immediate to the left and immediate to the right of section B are, respectively

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

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

A three-span continuous beam has an internal hinge at
B. Section B is at the mid-span of AC. Section E is at
the mid-span of CG. The 20 kN load is applied at section
B whereas 10 kN loads are applied at sections D and
F as shown in the figure. Span GH is subjected to
uniformly distributed load of magnitude 5 kN/m. For the
loading shown, shear force immediate to the right of
section E is 9.84 kN upwards and the hogging moment
at section E is 10.31 kN-m.
20 kN
10 kN 10 kN
5 kN/m
C
В
AD E F
A
G
H.
AB = BC = 2 m ; CD = DE = EF = FG = 1m;
%3D
%3D
%3D
%3D
GH = 4m
The magnitude of the shear force immediate to
the left and immediate to the right of section B
are, respectively

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