Abstract:

The nonlinear integraldeferential governing equation of a prestressed infinite beam bonded to a linear elastic foundation was first
 extended by introducing a new variable and then solved by applying the shooting method. The results show that the postbuckling load and curve of deflection depend on the positive slope in position without deflection and the corresponding postbuckling wavelength does not change with the increase of the slope.

Key words: postbuckling, infinite beam, pre-stressed, elastic foundation, shooting method