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High-Strength Concrete: SP2. Plates and Shells. Report 2.4. Modelling and Analysis of Reinforced HSC Panels
A discussion of modeling of cracked concrete is carried out in the framework of three different approaches: the fixed crack approach, the rotational crack approach, and the multi-directional crack approach. Post-cracking properties such as shear retention factors, rough crack stress-strain relations, crack band stress-strain relations as well as rotation of cracks are taken into consideration in the discussion. Analytical models applied for FE-analyses are discussed and the validity and limitation of the different approaches are emphasized. Fixed crack models generally violate the tensorial invariance requirement and shall be restricted to load histories where the principal stress directions do not deviate from the principal strain directions. Rotational crack models as well as the multi-directional crack models fulfill the tensorial invariance requirement and are valid for analyses of concrete in general.
High-Strength Concrete: SP2. Plates and Shells. Report 2.4. Modelling and Analysis of Reinforced HSC Panels
A discussion of modeling of cracked concrete is carried out in the framework of three different approaches: the fixed crack approach, the rotational crack approach, and the multi-directional crack approach. Post-cracking properties such as shear retention factors, rough crack stress-strain relations, crack band stress-strain relations as well as rotation of cracks are taken into consideration in the discussion. Analytical models applied for FE-analyses are discussed and the validity and limitation of the different approaches are emphasized. Fixed crack models generally violate the tensorial invariance requirement and shall be restricted to load histories where the principal stress directions do not deviate from the principal strain directions. Rotational crack models as well as the multi-directional crack models fulfill the tensorial invariance requirement and are valid for analyses of concrete in general.
High-Strength Concrete: SP2. Plates and Shells. Report 2.4. Modelling and Analysis of Reinforced HSC Panels
T. Dyngeland (author)
1993
65 pages
Report
No indication
English
Construction Materials, Components, & Equipment , Structural Analyses , Construction Equipment, Materials, & Supplies , Reinforced concrete , Plates(Structural forms) , Shells(Structural forms) , Mathematical models , Cracking(Fracturing) , Stress analysis , Finite element method , Construction materials , Loads(Forces) , Stiffness , Mechanical properties , Foreign technology
Adaptive finite element analysis of reinforced concrete plates and shells
| UB Braunschweig | 2000