Paper Titles
Analysis of the 3D State of Stress of a Concrete Beam
p.45
Analysis of Timber-Concrete Ceiling Structure in Multi-Storey Building
p.51
Application of the Meshless Local Petrov-Galerkin Method for Subsoil Settlement Analysis
p.55
Classification of Steel Mine Support Sections as per EC3 Classification
p.63
Combination of Wedge Splitting and Bending Fracture Test-Crack Tip Stress Field and Nonlinear Zone Extent Analysis
p.67
Comparation of Numerical Methods for Calculation of Thin Slabs
p.73
Comparison Experimental Tests of Behavior of the Slab-Column Structure after Removal of the Corner Support with Simplified Models Describing the Mechanism of Destruction
p.78
Comparison of Finite Element and Classical Computing Models of Reinforcement Pavement
p.85
Comparison of Fracture Energy Values Obtained from 3PB, WST and CT Test Configurations
p.89

Combination of Wedge Splitting and Bending Fracture Test-Crack Tip Stress Field and Nonlinear Zone Extent Analysis

Article Preview

Abstract:

The paper is focused on a numerical study of fracture test of quasi-brittle materials which is a combination of both the wedge splitting and the three-point bending configuration. Changes in some parameters of the test geometry lead to variations in constraint conditions at the crack tip, which affects the extent of the fracture process zone, i.e. the volume where the crucial processes, determining the possibility and extent of the failure take place. Differences indicated by the failure extents (expressed as the crack pattern) and stress distributions are plotted for several stages of loading for the proposed fracture test configurations.

You might also be interested in these eBooks
Structural and Physical Aspects of Civil Engineering View Preview

Info:

Periodical:

Advanced Materials Research (Volume 969)

Pages:

67-72

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.969.67

Citation:

Cite this paper

Online since:

June 2014

Authors:

Jakub Sobek, Václav Veselý, Stanislav Seitl*

Keywords:

Bending, Constraint, Fracture Process Zone, Fracture Test, Notched Specimen, Simulation, Wedge Splitting

Export:

RIS, BibTeX

Price:

Permissions CCC:

Request Permissions

Permissions PLS:

Request Permissions

Сopyright:

© 2014 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

* - Corresponding Author

References

[1] RILEM Committee FMC 50, Determination of the fracture energy of mortar and concrete by means of three-point bend test on notched beams, Materials and Structures 18 (1985) 285–290.

DOI: 10.1007/bf02472918

Google Scholar

[2] RILEM Report 5, Fracture mechanics test methods for concrete, eds. S.P. Shah, A. Carpinteri, Chapman and Hall, London, (1991).

Google Scholar

[3] H.N. Linsbauer, E.K. Tschegg, Fracture energy determination of concrete with cube-shaped specimen, Zement und Beton 31 (1986) 38–40.

Google Scholar

[4] A. Strauss, T. Zimmermann, D. Lehký, D. Novák, Z. Keršner, Stochastic fracture-mechanical parameters for the performance based design of concrete structures, Structural Concrete (2014), (in press).

DOI: 10.1002/suco.201300077

Google Scholar

[5] S. Korte, V. Boel, W. De Corte, G. De Schutter, Static and fatigue fracture mechanics properties of self-compacting concrete using three-point bending tests and wedge-splitting tests, Construction & Building Materials (2014), (in press).

DOI: 10.1016/j.conbuildmat.2014.01.090

Google Scholar

[6] S. Seitl, S. Korte, W. De Corte, V. Boel, J. Sobek, V. Veselý, Selecting a suitable specimen shape with low constraint value for determination of fracture parameters of cementitious composites, Key Engineering Materials Vols. 577–578 (2014).

DOI: 10.4028/www.scientific.net/kem.577-578.481

Google Scholar

[7] V. Veselý, J. Sobek, P. Frantík, M. Štafa, L. Šestáková, S. Seitl, Estimation of the zone of failure extent in quasi-brittle specimens with different crack-tip constraint conditions from stress field, Key Engineering Materials Vols. 592–593 (2014).

DOI: 10.4028/www.scientific.net/kem.592-593.262

Google Scholar

[8] V. Veselý, L. Řoutil, S. Seitl, Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites Part I: Cohesive Crack Modelling, Key Engineering Materials Vols. 452–453 (2011) 77–80.

DOI: 10.4028/www.scientific.net/kem.452-453.77

Google Scholar

[9] S. Seitl, J. Klusák, V. Veselý, L. Řoutil, Wedge-Splitting Test – Determination of Minimal Starting Notch Length for Various Cement Based Composites Part II: Crack and Notch Fracture Mechanics Approaches, Key Engineering Materials Vols. 452–453 (2011).

DOI: 10.4028/www.scientific.net/kem.452-453.81

Google Scholar

[10] S. Seitl, V. Veselý, L. Řoutil, Two-parameter fracture mechanical analysis of a near-crack-tip stress field in wedge splitting test specimens, Computers & Structures 89 (2011) 1852–1858.

DOI: 10.1016/j.compstruc.2011.05.020

Google Scholar

[11] V. Červenka, L. Jendele, J. Červenka, ATENA Program documentation – Part 1: Theory, Červenka Consulting, Praha, (2007).

Google Scholar

[12] Z.P. Bažant, Analysis of work-of-fracture method for measuring fracture energy of concrete, ASCE Journal of Engineering Mechanics 122(2) (1996) 138–144.

DOI: 10.1061/(asce)0733-9399(1996)122:2(138)

Google Scholar

[13] X-Z. Hu, K. Duan, Influence of fracture process zone height on fracture energy of concrete, Cement and Concrete Research 34 (2004) 1321–1330.

DOI: 10.1016/j.cemconres.2003.12.027

Google Scholar

[14] V. Veselý, P. Frantík, Reconstruction of a fracture process zone during tensile failure of quasi-brittle materials, Applied and Computational Mechanics 4 (2010) 237–250.

Google Scholar

[15] V. Veselý, P. Frantík, An application for the fracture characterisation of quasi-brittle materials taking into account fracture process zone influence, Advances in Engineering Software (2013).

DOI: 10.1016/j.advengsoft.2013.06.004

Google Scholar

[16] P. Frantík, V. Veselý, Z. Keršner, Parallelization of lattice modelling for estimation of fracture process zone extent in cementitious composites, Advances in Engineering Software 60–61 (2013) 48–57.

DOI: 10.1016/j.advengsoft.2012.11.020

Google Scholar