Application and prospects of 3D printing in physical experiments of rock mass mechanics and engineering: materials, methodologies and models

Q Niu, L Jiang, C Li, Y Zhao, Q Wang… - International Journal of …, 2023 - Springer
The existence of joints or other kinds of discontinuities has a dramatic effect on the stability
of rock excavations and engineering. As a result, a great challenge in rock mass mechanics …

Initiation and propagation of a single internal 3D crack in brittle material under dynamic loads

Z Han, J Li, H Wang, J Zhao - Engineering Fracture Mechanics, 2023 - Elsevier
Different defects are widely distributed inside natural rock masses, and the development of
these defects poses a potentially severe threat to the entire structural stability and safety …

Experimental investigation into the mechanical behavior of jointed soft rock using sand powder 3D printing

Y Zhao, L Jiang, C Li, Q Niu, A Sainoki, HS Mitri… - Rock Mechanics and …, 2023 - Springer
The presence of joints and other types of discontinuities has a significant effect on the
mechanical behavior of rock, thereby fundamentally influencing the stability of rock …

Progressive failure characteristics and water-induced deterioration mechanism of fissured sandstone under water–rock interaction

C Song, G Feng, J Bai, J Cui, K Wang, X Shi… - Theoretical and Applied …, 2023 - Elsevier
Stability of engineered rock mass can be significantly affected by the combined action of
fissures and water. In this study, uniaxial compression tests of fissured sandstone under …

Application of 3D printing technology in the mechanical testing of complex structural rock masses

Y **a, Q Meng, C Zhang, N Liu, Z Zhao, J Chen… - …, 2021 - Wiley Online Library
In the engineering of underground construction, the discontinuous structures in rock mass
have important influences on the mechanical behaviors of the subsurface of rock mass. The …

Experimental study on mechanical behavior, AE response and energy evolution of fissure-filled sandstone from mine roadway under conventional triaxial …

KS Li, YQ Luan, JP Zhang, CX Liu - Theoretical and Applied Fracture …, 2024 - Elsevier
Engineering reliability exhibit sophistication and unpredictability for mining from all the
regions, largely due to the random combinatorial morphology of natural discontinuities …

Effect of grouting on damage and fracture characteristics of fractured rocks under mode I loading

Q Hu, G Chen, X Sun, Y Li, G Liu - Construction and Building Materials, 2024 - Elsevier
Grouting is widely used to improve the mechanical properties of fractured rocks, but its
impact on the fracture behavior of fractured rocks remains incompletely understood. This …

Temporal-spatial evolution characteristics of defective coal fracture based on electric potential and multifractal characterization

Z Zang, Z Li, Y Niu, S Yin, X Kong, B Liu, H Li - Engineering Fracture …, 2024 - Elsevier
The primary defects in coal are critical factors that induce geological disasters. Accurately
predicting and identifying local damage in these defects is essential for the safe mining of …

Mechanical behaviors and failure mechanism of flawed sandstone containing infillings under freeze-thaw cycles and uniaxial compression

F Yin, Y Li, K Li, S Zhang, C Wang, F Dai… - Theoretical and Applied …, 2023 - Elsevier
The flawed rock masses with joints, fissures, and other defects in cold regions engineering
are affected by freeze–thaw (FT) cycles. Substantial efforts have been focused on the …

[HTML][HTML] Analytical solution of the stress field and plastic zone at the tip of a closed crack

G Wu, W Wang, S Peng - Frontiers in Earth Science, 2024 - frontiersin.org
The investigation of stress field and plastic zone distribution at the closed crack tip provides
a fundamental basis for failure analysis and life prediction of geotechnical materials. Closed …