A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Approximate method is presented for direct stress analysis of orthotropic cantilevered bridge slabs; moments and shear forces in slab are expressed in form of Fourier series in transverse coordinate, coefficients of series being functions of spanwise position only; series are chosen initially to satisfy both equilibrium and boundary conditions for slab, enabling stress-resultants to be expressed in terms of chosen functional coefficients, which may subsequently be determined by minimization of strain energy by calculus of variations; problem reduces to solution of set of linear differential equations with complete set of boundary conditions; single solution is obtained for entire slab, discontinuity at intermediate support being incorporated by artifice similar to Macaulay's method in beam theory.
Approximate method is presented for direct stress analysis of orthotropic cantilevered bridge slabs; moments and shear forces in slab are expressed in form of Fourier series in transverse coordinate, coefficients of series being functions of spanwise position only; series are chosen initially to satisfy both equilibrium and boundary conditions for slab, enabling stress-resultants to be expressed in terms of chosen functional coefficients, which may subsequently be determined by minimization of strain energy by calculus of variations; problem reduces to solution of set of linear differential equations with complete set of boundary conditions; single solution is obtained for entire slab, discontinuity at intermediate support being incorporated by artifice similar to Macaulay's method in beam theory.
Stress analysis of cantilevered bridge slabs
ASCE -- Proc (J Structural Div)
Coull, A. (author)
1966
18 pages
Article (Journal)
English
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