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Dynamic fracture of concrete L-specimen: Experimental and numerical study (CROSBI ID 224039)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ožbolt, Joško ; Bede, Natalija ; Sharma, Akanshu ; Uwe, Mayer Dynamic fracture of concrete L-specimen: Experimental and numerical study // Engineering fracture mechanics, 148 (2015), 27-41. doi: 10.1016/j.engfracmech.2015.09.002

Podaci o odgovornosti

Ožbolt, Joško ; Bede, Natalija ; Sharma, Akanshu ; Uwe, Mayer

engleski

Dynamic fracture of concrete L-specimen: Experimental and numerical study

To confirm the findings of previously performed numerical studies, experimental and numerical studies on L-specimen loaded under different loading rates are performed. For strain rates lower than 10/s the response is controlled primarily by the rate dependent constitutive law. For higher strain rates a change in crack direction, crack branching and progressive increase of resistance are observed. This is attributed to inertia and not to rate dependent strength. The comparison between numerical and experimental results shows that modeling approach based on continuum mechanics, rate dependent microplane model and standard finite elements predicts complex phenomena related to dynamic fracture of concrete realistically.

Dynamic fracture; Concrete; Experiments; Finite element analysis; Crack branching

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Podaci o izdanju

148

2015.

27-41

objavljeno

0013-7944

10.1016/j.engfracmech.2015.09.002

Povezanost rada

Građevinarstvo, Temeljne tehničke znanosti

Poveznice
Indeksiranost