# CONJUGATE BEAM METHOD NPTEL PDF

haunched beams, and framed bents may be computed by a procedure. I. LETAL. *See H. M. Westergaard, “Deflection of Beams by the Conjugate Beam Method.

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To conkugate use of this comparison we will now consider a beam having the same length as the real beam, but referred here as the “conjugate beam.

The displacement of a point in the real beam metho numerically equal to the moment at the corresponding point in the conjugate beam. When drawing the conjugate beam it is important that the shear conjugat moment developed at the supports of the conjugate beam account for the corresponding slope and displacement of the real beam at its supports, a consequence of Theorems 1 and 2.

Corresponding real and conjugate supports are shown below.

## Conjugate beam method

From Wikipedia, the free encyclopedia. The following procedure provides a method that may be used to determine the displacement and fonjugate at a point on the elastic curve of a beam using the conjugate-beam method.

JIS G3131 PDF

For example, as shown below, a pin or roller support at the end of the real beam provides zero displacement, but a non zero slope. Conjugate beam is defined as the imaginary beam with the same dimensions length as that conjugaet the original beam but load at any point on the conjugate beam is equal to the bending moment at that point divided by EI.

Here the conjugate beam has a free end, since at this end there is zero shear and zero moment. Below is a shear, moment, and deflection diagram. Bwam the real conjugqte is fixed supported, both the slope and displacement are zero. Views Read Edit View history. Retrieved 20 November The basis for the method comes from the similarity of Eq.