刊名:International Journal of Concrete Structures and Materials
出版年:2015
出版时间:March 2015
年:2015
卷:9
期:1
页码:45-54
全文大小:1,876 KB
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刊物主题:Building Materials; Structural Materials; Structural Mechanics; Continuum Mechanics and Mechanics of Materials;
出版者:Springer Netherlands
ISSN:2234-1315
文摘
This paper describes a three-dimensional approach to modeling the nonlinear behavior of partial-depth precast prestressed concrete bridge decks under increasing static loading. Six full-size panels were analyzed with this approach where the damage plasticity constitutive model was used to model concrete. Numerical results were compared and validated with the experimental data and showed reasonable agreement. The discrepancy between numerical and experimental values of load capacities was within six while the discrepancy of mid-span displacement was within 10?%. Parametric study was also conducted to show that higher accuracy could be achieved with lower values of the viscosity parameter but with an increase in the calculation effort.