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[22030] Artykuł:

Numerical simulations of corners in RC frames using Strut-and-Tie Method and CDP model

Czasopismo: XIII International Conference on Computational Plasticity. Fundamentals and Applications. COMPLAS 2015   Strony: 608-619
ISBN:  978-84-944244-6-5
Wydawca:  INT CENTER NUMERICAL METHODS ENGINEERING, GRAN CAPITAN, S-N, CAMPUS NORTE UPC, MODULO C1, 08034 BARCELONA, SPAIN
Opublikowano: Wrzesień 2015
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Michał Szczecina orcid logoWBiAKatedra Mechaniki, Konstrukcji Metalowych i Metod Komputerowych *5015.00  
Andrzeh Winnicki50.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper


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Keywords:

frame corners  opening bending moment  Strut-and-Tie method  FEM  Abaqus  Concrete Damaged Plasticity model 



Abstract:

Corners of reinforced concrete frames under opening bending moment should be always considered in complex stress conditions. A proper reinforcement of these corners demands some special methods instead of traditional algorithms. In this paper two chosen method are described, namely Strut-and-Tie (S&T) and FEM using Abaqus software. The second method uses Concrete Damaged Plasticity model, implemented in Abaqus code. The corners taken into consideration differ from each other in a reinforcement pattern. Moreover, two different cases of section heights are analyzed: same and different heights of elements joining in a corner. Calculations in S&T method allow to establish proper reinforcement and corner efficiency factor. Then the corners are modeled in Abaqus using CDP and results of crack patterns, efficiency factor, yielding, non-linear behavior and history of load are gained. An extra scientific problem described in this paper is a proper choice of CDP parameters.