Influence Lines for Statically Indeterminate Plane Structures |
Contents
CONTINUOUS PRISMATIC BEAMS | 18 |
CONTINUOUS NONPRISMATIC BEAMS | 65 |
CONTINUOUS BEAMS WITH INTEGRAL SUPPORTS | 83 |
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1ton actual stiffnesses analysis applied axial force Beam Structures bending moment diagram cable calculated cantilever carry-over factor chord member circular segmental column head condition conjugate beam constant continuous beam corresponding cross-section deflected form deflexion curve determine the influence displacement elastic centre elastic weights end couples end rotations evaluated Example fictitious loads fixed arch frame ft ton haunch horizontal influence coefficients line for bending line for H line for shear Line Function line is shown linear linear elastic lower chord M₁ M₂ member forces method midspan moment of area obtained parabolic primary structure R₁ reciprocal theorem Relative values required influence line shear force shown in fig side span sidesway simple beam slope deflexion equations statically indeterminate stiffening girder substituting eqns superposition symmetrical unit couple unit influence load unit load Young's modulus δα ΕΙ ΕΙΟ ΙΟ