Opening and mixed mode fracture processes in a quasi-brittle material via digital imaging
Fracture tests were performed on sandstone specimens under three-point bending with a
variety of notch positions to achieve K II/KI= 0–12%. At peak load, the maximum crack …
variety of notch positions to achieve K II/KI= 0–12%. At peak load, the maximum crack …
Active seismic monitoring of crack initiation, propagation, and coalescence in rock
Active seismic monitoring was used to detect and characterize crack initiation, crack
propagation and crack coalescence in pre-cracked rock specimens. Uniaxial compression …
propagation and crack coalescence in pre-cracked rock specimens. Uniaxial compression …
Experimental study on damage evolution of rock under uniform and concentrated loading conditions using digital image correlation
H Song, H Zhang, D Fu, Y Kang… - Fatigue & Fracture of …, 2013 - Wiley Online Library
Damage evolution and crack propagation in sandstone specimens have been observed by
digital image correlation method. To investigate deformation and failure process of rock …
digital image correlation method. To investigate deformation and failure process of rock …
Random evolution of multiple cracks and associated mechanical behaviors of segmental tunnel linings using a multiscale modeling method
The segmental tunnel linings with cracks affected by the mesostructured of concrete exhibits
heterogeneous and nonlinear behaviors in the cracked area. However, there are obvious …
heterogeneous and nonlinear behaviors in the cracked area. However, there are obvious …
An experimental investigation on the damage of granite under uniaxial tension by using a digital image correlation method
G Yang, Z Cai, X Zhang, D Fu - Optics and Lasers in Engineering, 2015 - Elsevier
This paper presents an experimental investigation of the damage mechanisms of granites
under uniaxial tension. The displacement distribution and surface tensile strain of the …
under uniaxial tension. The displacement distribution and surface tensile strain of the …
Automatic crack tip detection and stress intensity factors estimation of curved cracks from digital images
J Réthoré - International Journal for Numerical Methods in …, 2015 - Wiley Online Library
With the development of full‐field measurement techniques, it has been possible to analyze
crack propagation experimentally with an increasing level of robustness. However, the …
crack propagation experimentally with an increasing level of robustness. However, the …
Transition from energy dissipation to crack openings during continuum–discontinuum fracture of concrete
Fracture in quasi-brittle materials like concrete is mainly governed by two processes: energy
dissipation and discontinuous displacement fields or discrete cracks. In this study we …
dissipation and discontinuous displacement fields or discrete cracks. In this study we …
Effect of casting flow defects on the crack propagation in UHPFRC thin slabs by means of stereovision Digital Image Correlation
Owing to their outstanding compressive strength and considerable cracking resistance, Ultra
High Performance Fibre Reinforced Concrete (UHPFRC) have been recently successfully …
High Performance Fibre Reinforced Concrete (UHPFRC) have been recently successfully …
Fracture and cohesive parameter identification of refractories by digital image correlation up to 1200° C
The mechanical and fracture properties of refractory ceramics are determined by means of
an inverse identification procedure between experimental data and numerical simulations …
an inverse identification procedure between experimental data and numerical simulations …
Identification of asymmetric constitutive laws at high temperature based on Digital Image Correlation
The mechanical characterization of ceramics can be very challenging. Depending on their
composition and fabrication process, ceramic materials may exhibit at room temperature …
composition and fabrication process, ceramic materials may exhibit at room temperature …