Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nonlinear Analysis and Design of RC (Reinforced Concrete) Bridge Columns Subjected to Imposed Deformations
A study of reinforced concrete bridge columns subjected to imposed end rotations and end displacements is presented. Prismatic columns with symmetrically reinforced rectangular cross sections under uniaxial bending are considered. Numerical solutions are obtained using a finite element computer program, PCFRAME, capable of performing nonlinear geometric, material and time dependent analysis of planar reinforced and prestressed concrete frames. Response characteristics of single columns subjected to imposed end deformations are discussed in detail. The effect of creep in the column due to a time dependent end displacement history is studied. Based on the single column studies, a design method for short braced bridge columns is developed. The proposed method is verified against results from the nonlinear analysis (using program PCFRAME) of a two span, continuous, prestressed concrete box girder bridge with a monolithically connected column. The results of the single column studies are combined to study the effect of previously imposed column top displacements on lateral load responses of unbraced frames with identical columns.
Nonlinear Analysis and Design of RC (Reinforced Concrete) Bridge Columns Subjected to Imposed Deformations
A study of reinforced concrete bridge columns subjected to imposed end rotations and end displacements is presented. Prismatic columns with symmetrically reinforced rectangular cross sections under uniaxial bending are considered. Numerical solutions are obtained using a finite element computer program, PCFRAME, capable of performing nonlinear geometric, material and time dependent analysis of planar reinforced and prestressed concrete frames. Response characteristics of single columns subjected to imposed end deformations are discussed in detail. The effect of creep in the column due to a time dependent end displacement history is studied. Based on the single column studies, a design method for short braced bridge columns is developed. The proposed method is verified against results from the nonlinear analysis (using program PCFRAME) of a two span, continuous, prestressed concrete box girder bridge with a monolithically connected column. The results of the single column studies are combined to study the effect of previously imposed column top displacements on lateral load responses of unbraced frames with identical columns.
Nonlinear Analysis and Design of RC (Reinforced Concrete) Bridge Columns Subjected to Imposed Deformations
J. Hellesland (Autor:in) / D. Choudhury (Autor:in) / A. C. Scordelis (Autor:in)
1985
349 pages
Report
Keine Angabe
Englisch
Nonlinear Analysis and Design of RC Bridge Columns Subjected to Imposed Deformations
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