The phenomenon of cracking in cement concretes and reinforced concrete structures: the mechanism of cracks formation, causes of their initiation, types and places of …

GL Golewski - Buildings, 2023 - mdpi.com
Cracks and cavities belong to two basic forms of damage to the concrete structure, which
may reduce the load-bearing capacity and tightness of the structure and lead to failures and …

Combined effect of coal fly ash (CFA) and nanosilica (nS) on the strength parameters and microstructural properties of eco-friendly concrete

GL Golewski - Energies, 2022 - mdpi.com
Disposal of the coal fly ash (CFA) generated from thermal power plants in huge quantities is
one of the major concerns for the industry, as well as the natural environment. On the other …

Fracture performance of cementitious composites based on quaternary blended cements

GL Golewski - Materials, 2022 - mdpi.com
This study presents test results and in-depth discussion regarding the measurement of the
fracture mechanics parameters of new concrete composites based on quaternary blended …

The role of pozzolanic activity of siliceous fly ash in the formation of the structure of sustainable cementitious composites

GL Golewski - Sustainable Chemistry, 2022 - mdpi.com
The following article introduces, in a thorough manner, how the chemical pozzolanic
reaction takes place in cement composites containing the fly ash (FA) additive. In the …

Influence of arch shaped notch angle, length and opening on the failure mechanism of rock like material and acoustic emission properties: experimental test and …

J Fu, H Haeri, V Sarfarazi, AA Naderi, MF Marji… - Theoretical and Applied …, 2023 - Elsevier
The uniaxial compressive failure mechanism of rock like specimens with arched shaped
notches was studied experimentally and numerically considering the effects of cracks' …

[HTML][HTML] A universal direct tensile testing method for measuring the tensile strength of rocks

Y Wu, J Liu, Z Wu, J Liu, Y Zhao, H Xu, J Wei… - International Journal of …, 2024 - Elsevier
There is limited applicability to the current method for testing the direct tensile strength of
rocks because it places stringent requirements on the testing equipment. This work suggests …

Peak strength, coalescence and failure processes of rock-like materials containing preexisting joints and circular holes under uniaxial compression: experimental and …

M Wang, Z Lu, Y Zhao, W Wan - Theoretical and Applied Fracture …, 2023 - Elsevier
The stability of rock masses is greatly influenced by the voids and joints present in rock
masses; therefore, the peak strength, coalescence and failure process of rock masses with …

[HTML][HTML] Experimental study on mechanical properties and failure behaviours of new materials for modeling rock bridges

C Xu, Y Cui, L Xue, H Chen, J Dong, H Zhao - Journal of Materials …, 2023 - Elsevier
Rock bridges control the stability of rock slopes with intermittent joints. To better understand
the evolution of water-induced damage in rock bridges, we developed new, water-sensitive …

Interface stress analysis and failure mechanism of rock–concrete composite structures under multi-directional stress waves

J Chen, L Zhou, Z Zhu, X Shui, L Ma… - Rock Mechanics and Rock …, 2024 - Springer
The rock–concrete interface serves as the weak point of concrete structures based on rocks;
the initial failure of the interface under stress waves can easily cause instability and failure of …

Damage constitutive model and mechanical properties of jointed rock mass under hydro-mechanical coupling

B Yan, H Kang, X Li, Q Qi, B Zhang, J Liu - Theoretical and Applied Fracture …, 2023 - Elsevier
The damage evolution law and mechanical property weakening mechanism of jointed rock
mass under hydro-mechanical coupling are important scientific problems in deep rock mass …