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Chapter 6. Structural scale failure analysis of FRCCFigure 6.14: Crack paths of plain concrete and SFRC under three-point bending with centricalnotch by Carpinteri and Brighenti [2010].Table 6.2: Material parameters employed in the mesoscale analyses.ContinuumAggregatesContinuumMortarsContinuumFibersAggregate − MatrixInterfaceSFRC − SFRCInterfaceFiberBond − SlipFiberDowelk N [MPa/mm]1.E + 06c 0 [MPa]4.8G I I [N /mm]f1.200k N [MPa/mm]1.E + 06c 0 [MPa]5.6G I I [N /mm]f2.000ρ A E A [GPa] ν A28% 60.00 0.20ρ M E M [GPa] ν M72% 19.15 0.20ρ F E F [MPa] ν F0 − 0.25% − 0.50% 200.00 0.30k T [MPa/mm]1.E + 06t g φ 0 − t g φ r − t g β0.4 − 0.1 − 0.3σ di l [MPa]10.0k T [MPa/mm]1.E + 06t g φ 0 = t g φ r = t g β0.5 − 0.2 − 0.4σ di l [MPa]10.0χ 0 [MPa]2.4G I [N /mm]f0.120α χ−0.15χ 0 [MPa]3.2G I [N /mm]f0.200α χ−0.15τ y,a [MPa] k E [MPa/mm] k S [MPa/mm] l f [mm]6.95 100.0 0.1 44.0k dow d f [mm] f ′ c [MPa] σ y,s [MPa]2.8 0.98 40.0 800.0Figures 6.14 and 6.16 illustrate the cracked configurations at ultimate stages as obtainedin the experimental tests by Carpinteri and Brighenti [2010] and in the numericalsimulations. In both cases, failure process leads to only one macro-crack, starting at128
6.2. Macroscopic and mesoscopic FE analysis with FRC interfaces: three-pointbending testsFigure 6.15: Load-deflection behavior of plain concrete and SFRC three point beams witheccentrical notch: comparison between numerical and experimental results [Carpinteri andBrighenti, 2010].the top of the notch. Regarding the specimens with pre-fixed notch at mid-length of129
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Dottorato di Ricercain Ingegneria d
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AcknowledgementsI would like to exp
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Abstractinclusion of fibers and the
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ContentsAcknowledgementsAbstractTab
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Contents8.6.1 Tensile tests . . . .
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List of Figures2.1 Fine and coarse
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List of Figures4.16 Pull-out simula
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List of Figures6.14 Crack paths of
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List of Tables2.1 Mix design per cu
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Chapter 1. Introduction1.1.1 Fiber
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Chapter 1. Introductionthe fiber ad
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Chapter 1. Introductionand mechanic
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Chapter 1. Introduction[Vrech and E
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Chapter 1. IntroductionDespite the
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Chapter 1. Introduction(Figure 1.4)
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Chapter 1. IntroductionFigure 1.8:
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Chapter 1. Introductionfor structur
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Chapter 1. Introductioncracking beh
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Chapter 1. Introduction• "c" if 0
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Chapter 1. Introductionsumed due to
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Chapter 1. Introductionaleatoric na
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Chapter 1. IntroductionFigure 1.13:
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Chapter 1. IntroductionElement Meth
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Chapter 2. Experimental characteriz
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Chapter 3. Zero-thickness interface
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4 Bond behavior of fibers in cement
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4.2. Bond behavior of fibers in con
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4.3. Elasto-plastic joint/interface
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Page 107 and 108: 4.4. Fracture energy-based interfac
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Page 117 and 118: 4.6. Closing remarksMPa3.02.5Pi N2.
Page 119 and 120: 5 Model performance and numericalpr
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Page 129 and 130: 5.1. Numerical analysesσ MPa121086
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Page 167 and 168: 7 Cracked hinge numerical modelfor
Page 169 and 170: 7.1. Basic assumptionsSection at no
Page 171 and 172: 7.1. Basic assumptions1997, Stankow
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Page 175 and 176: 7.4. Numerical predictionsvertical
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Chapter 9. Conclusions9.6 Future re
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BibliographyN. Banthia and N. Nanda
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BibliographyM. Butler, V. Mechtcher
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BibliographyCUR. Bepaling van de Bu
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BibliographyEN-12390-3. Testing of
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BibliographyT. Guttema. Ein Beitrag
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BibliographyE. Kuhl, P. Steinmann,
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BibliographyO. Manzoli, J. Oliver,
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BibliographyK. Park, G. Paulino, an
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BibliographyI. Singh, B. Mishra, an
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BibliographyG. Wells and L. Sluys.
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