THREE-DIMENSIONAL STIFFNESS ANALYSIS OF P.C. CURVED THIN-WALLED GIRDERS Ⅱ.THREE-DtheENSIONAL ANALYSIS FOR THE PRESTRSSSING OF THE CURVED THIN-WALLED GIRDER AND ITS APPLICATION TO THE ANALYSIS OF P.C. CURVED BOX GIRDEER BRIDGE IN DA-LIAN
Based on the vectors analysis and Vlasov curved girder differential equations,the equivalent spatial loads for an arbitrarily acting pnstrereing tendon force are developed. According to the stiffness matrix formulation of a spatially curved,thin-walled beamelement and the computational formulae for the equivalent nodal forces given by part I of this paper. It is possible for the three-dimensional strUctural analysis of P.C. Curved girder bridges by the stiffness method.A comparision with the mumerical det...
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