Microscopic interface deterioration mechanism and damage behavior of high-toughness recycled aggregate concrete based on 4D in-situ CT experiments

C Wang, Z Du - Cement and Concrete Composites, 2024 - Elsevier
High-toughness recycled aggregate concrete (HTRAC), as an innovative green building
material, showcases outstanding performance and environmental attributes. To investigate …

An extensive investigations on fracture parameters of concretes based on quaternary binders (QBC) by means of the DIC technique

GL Golewski - Construction and Building Materials, 2022 - Elsevier
The following article presents an extensive investigations of the fracture mechanics
parameters of concretes made of quaternary binders (QBC). A composition of the two most …

Comparative measurements of fracture toughgness combined with visual analysis of cracks propagation using the DIC technique of concretes based on cement matrix …

GL Golewski - Theoretical and Applied Fracture Mechanics, 2022 - Elsevier
This paper presents comparative measurements of the fracture toughness together with
visual analysis of cracks propagation of concretes made of quaternary binders. A …

A digital image correlation technique for laboratory structural tests and applications: a systematic literature review

MA Mousa, MM Yussof, TS Hussein, LN Assi… - Sensors, 2023 - mdpi.com
Digital image correlation (DIC) is an optical technique used to measure surface
displacements and strains in materials and structures. This technique has demonstrated …

Experimental study on influence of lithology on directional propagation law of type-I cracks

L Chen, W Guo, Y Jiang, Y Tan, Y Zhang, D Lu… - Journal of Central South …, 2023 - Springer
To study the influence of lithology on the directional propagation law of rock type-I cracks, a
simple crack directional propagation device was used to conduct loading tests on three rock …

On the incorporation of class F fly-ash to enhance the geopolymerization effects and splitting tensile strength of the gold mine tailings-based geopolymer

N Zhang, A Hedayat, HGB Sosa, RPH Bernal… - … and Building Materials, 2021 - Elsevier
Mine tailings (MTs) are ore residuals after valuable metals were extracted during mineral
processing, which can be reused to produce the geopolymer concrete for construction and …

Experimental studies on the durability and leaching properties of alkali-activated tailings subjected to different environmental conditions

N Zhang, A Hedayat, L Figueroa, KX Steirer, H Li… - Cement and Concrete …, 2022 - Elsevier
This paper presents an investigation on the durability and leaching behavior of gold MTs-
based geopolymer by conducting a series of experiments that included uniaxial …

Experimental investigation on mode I fracture behavior of sandstone after grouting filling under three-point bending

W Wang, H Su, H Zhao, L Yu, C Wu - Engineering Fracture Mechanics, 2023 - Elsevier
The widespread presence of fissures in natural rock masses poses numerous challenges to
the design and construction of rock engineering. As an effective reinforcement method …

Fracture properties of the gold mine tailings-based geopolymer under mode I loading condition through semi-circular bend tests with digital image correlation

N Zhang, A Hedayat, HGB Sosa, RPH Bernal… - Theoretical and Applied …, 2021 - Elsevier
Sustainably reusing mine tailings and reducing the economic costs of storing them is an
ongoing concern in the geomechanics field. This paper discusses the process of utilizing …

Fracture process zone development and length assessment under the mixed-mode I/II load analysed by digital image correlation technique

P Miarka, AS Cruces, P Lopez-Crespo… - Cement and Concrete …, 2023 - Elsevier
In this paper, the fracture process zone (FPZ) of high-performance concrete (HPC) is
investigated under mixed-mode I/II load conditions, and its formation is studied by applying …