conjugate beam method
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conjugate beam methodTRANSCRIPT
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SEA RC H Go
Module 1
Module 2
Module 3
Module 4
Deflection of Structures
Lecture 1
Lecture 2
Conjugate Beam Method
Lecture 3
Lecture 4
Lecture 5
Lecture 6
Lecture 7
Module 5
Module 6
Module 4 : Deflection of Structures
Lecture 2 : Conjugate Beam Method
Example 4.7 Determine the slope at A and deflection of B of the beam shown in Figure 4.9(a) using the conjugate beam
method.
Solution: The vertical reaction at A in the real beam is given by
The bending moment at any point X at a distance x from A is given by
The corresponding conjugate beam and loading acting on it are shown in Figure 4.9(b). The loading on the beam varies
parabolically with maximum value as .
The slope at A , in the original beam will be equal to the shear force at A in the conjugate beam, thus,
(clockwise direction)