Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
In this study, a great number of additions to the computer program ADINA were made with a view to improving the applicability of the program to analyses of reinforced and prestressed concrete structures. These additions enable the modelling of reinforcement by adding the elasticity and stress matrices of reinforcement and concrete together. The parallel reinforcing bars are supposed to make up a layer having stiffness only in the direction of bars or also perpendicularly to the bars. The steel layer passes through the integration points of the elements, where its strain is assumed to be the same as that in concrete. The constitutive law of steel is elastoplastic. The creep law in accordance with the CEB Model on creep of concrete has been introduced to a thermo-elastic-plastic material model. It can be used in the analyses of uncracked concrete structures.
In this study, a great number of additions to the computer program ADINA were made with a view to improving the applicability of the program to analyses of reinforced and prestressed concrete structures. These additions enable the modelling of reinforcement by adding the elasticity and stress matrices of reinforcement and concrete together. The parallel reinforcing bars are supposed to make up a layer having stiffness only in the direction of bars or also perpendicularly to the bars. The steel layer passes through the integration points of the elements, where its strain is assumed to be the same as that in concrete. The constitutive law of steel is elastoplastic. The creep law in accordance with the CEB Model on creep of concrete has been introduced to a thermo-elastic-plastic material model. It can be used in the analyses of uncracked concrete structures.
Program Package for Nonlinear Anlaysis of Reinforced Concrete Structures
M. Pajari (Autor:in)
1980
50 pages
Report
Keine Angabe
Englisch
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