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Žiković, Laura; Crnković, Bojan
Zbornik radova (Građevinski fakultet Sveučilišta u Rijeci), 12/2022, Volume: 25, Issue: 1Journal Article, Paper
U radu se provodi analitička analiza jednoosno vlačno opterećene beskonačnehomogene ploče s kružnim otvorom (tzv. Kirschov problem). Eksperimentalnirezultati iz literature daju vrijednosti koncentracije naprezanja na rubu otvora, kojesu uvijek manje od teorijske pretpostavke temeljene na klasičnoj teoriji elastičnosti tese za bolje opisivanje razmatranog problema predlaže primjena mikropolarne teorijekontinuuma. U radu je stoga prikazana detaljna analiza temeljena na mikropolarnojteoriji, a dobiveni rezultati tvore bitnu teorijsku podlogu za budući rad. An analytical analysis of a linear elastic homogeneous and isotropic infinite platewith a circular hole under uniaxial tension (Kirsch’s problem) has been carriedout. Experimental results found in available literature have shown that the stressconcentration factor at the edge of the hole is always lower than the theoreticalprediction based on the classical theory of elasticity. Therefore, the application of themicropolar continuum theory is proposed for a better description of the consideredproblem. The presented results of the detailed analysis provide a suitable theoreticalbasis for the further investigation of the micropolar continuum.
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