Continuous and Discontinuous Modelling of Fracture in Concrete Using FEM

di Jacek Tejchman
Stato: Nuovo
141,35 €
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Jacek Tejchman Continuous and Discontinuous Modelling of Fracture in Concrete Using FEM
Jacek Tejchman - Continuous and Discontinuous Modelling of Fracture in Concrete Using FEM

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Descrizione

The book analyzes a quasi-static fracture process in concrete and reinforced concrete by means of constitutive models formulated within continuum mechanics. A continuous and discontinuous modelling approach was used. Using a continuous approach, numerical analyses were performed using a finite element method and four different enhanced continuum models: isotropic elasto-plastic, isotropic damage and anisotropic smeared crack one. The models were equipped with a characteristic length of micro-structure by means of a non-local and a second-gradient theory. So they could properly describe the formation of localized zones with a certain thickness and spacing and a related deterministic size effect. Using a discontinuous FE approach, numerical results of cracks using a cohesive crack model and XFEM were presented which were also properly regularized. Finite element analyses were performed with concrete elements under monotonic uniaxial compression, uniaxial tension, bending and shear-extension. Concrete beams under cyclic loading were also simulated using a coupled elasto-plastic-damage approach. Numerical simulations were performed at macro- and meso-level of concrete. A stochastic and deterministic size effect was carefully investigated. In the case of reinforced concrete specimens, FE calculations were carried out with bars, slender and short beams, columns, corbels and tanks. Tensile and shear failure mechanisms were studied. Numerical results were compared with results from corresponding own and known in the scientific literature laboratory and full-scale tests.


 


 

Contributori

Scrittore:
Jacek Tejchman
Jerzy Bobiński

Ulteriori informazioni

Illustrations Note:
VI, 418 p.
Indice:
Introduction.- General.- Literature Overview.- Theoretical Models.- Discrete Lattice Model.- Epilogue.
Commenti:
Analyzes a quasi-static fracture process in concrete and reinforced concrete


Presents a continuous and discontinuous finite elements modelling approach


Written by leading experts in the field

Tipo multimediale:
Copertina rigida
Editore:
Springer Berlin
Recensione:

From the reviews:

"This book analyzes quasi-static and static processes in concretes and reinforced concretes by means of constitutive models formulated within continuum mechanics. The authors use continuous and discontinuous approaches. ... be of interest to students and researchers in fracture mechanics, applied mathematics, solid mechanics and mechanical engineering." (Razvan Raducanu, Zentralblatt MATH, Vol. 1252, 2012)

Lingua:
Inglese
Edizione:
2013
Numero di Pagine:
418
Sommario:
This book offers a detailed analysis of a quasi-static fracture process in concrete and reinforced concrete by means of constitutive models formulated within continuum mechanics, using both continuous and discontinuous modeling approaches.

Dati Principali

Tipologia prodotto:
Libro rilegato
Dimensioni del collo:
0.232 x 0.16 x 0.028 m; 0.703 kg
GTIN:
09783642284625
DUIN:
C8CM60MEVJ6
141,35 €
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