Fracture and fragmentation of dolomite rock using the JH-2 constitutive model: Parameter determination, experiments and simulations

• Published in: International journal of impact engineering Vol. 140; p. 103543
• Main Authors: Baranowski, Paweł, Kucewicz, Michał, Gieleta, Roman, Stankiewicz, Michał, Konarzewski, Marcin, Bogusz, Paweł, Pytlik, Mateusz, Małachowski, Jerzy
• Format: Journal Article
• Language: English
• Published: Oxford Elsevier Ltd 01.06.2020; Elsevier BV
• Subjects: Blast loads; Blasting; Computer simulation; Constitutive models; Damage; Dolomite; Finite element method; Fragmentation; Impact damage; JH-2 constitutive model; Mathematical models; Parameters; Rock; Rock; Damage; Blasting; JH-2 constitutive model; Fragmentation

•A procedure for determination of JH-2 model parameters for dolomite is presented in detail.•Fracture and damage parameters were obtained based on the proposed drop-weight laboratory stand and FEA.•The JH-2 model was used for simulating the shock induced fracture and damage of the dolomite.•Small di...