Fracture properties of jointed rock infilled with mortar under uniaxial compression

•Mortar-filled rocks consisting pre-existing crack were tested under uniaxial compression.•Volume fracture energy was introduced to investigate the mixed Mode I-II fractures.•A front boundary effect model was proposed to calculate the size-independent fracture energy.•The proposed method showed well...

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Veröffentlicht in:	Engineering fracture mechanics 2020-04, Vol.228, p.106822, Article 106822
Hauptverfasser:	Zhong, Zhibin, Deng, Ronggui, Zhang, Jin, Hu, Xiaozhi
Format:	Artikel
Sprache:	eng
Schlagworte:	Bilinear model Fracture behavior Front boundary effect Geotechnical engineering Granite Inclination Jointed rock Mortar-filled rock joints Mortars (material) Peak load Specific volume Stone Volume fracture energy
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