Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Zhengzhao Liang"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 4, Pp 1348-1361 (2024)
The geometry of joints has a significant influence on the mechanical properties of rocks. To simplify the curved joint shapes in rocks, the joint shape is usually treated as straight lines or planes in most laboratory experiments and numerical simula
Externí odkaz:
https://doaj.org/article/15f0eee41cd34a8d9f86e1648cb61552
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 12, Pp 4737-4754 (2023)
Abstract Layered shales exist widely and are often encountered during shale gas development. However, the mechanical response of layered shales is significantly affected by the existence of beddings, resulting in the obvious anisotropy characteristic
Externí odkaz:
https://doaj.org/article/00542192571f45879fb4a801d08c5272
Publikováno v:
Applied Sciences, Vol 13, Iss 14, p 8429 (2023)
To meet the demands of the mining, hydropower, and transportation industries, deep rock mass engineering in China has rapidly developed [...]
Externí odkaz:
https://doaj.org/article/ae25948929914f11b059594559c89683
Publikováno v:
Applied Sciences, Vol 12, Iss 18, p 9284 (2022)
The existence of fractures has a significant influence on the mechanical properties of a rock mass. The sensitivity of the rock mass’s mechanical properties to the fracture’s geometric parameters is conducive to improving the measurement accuracy
Externí odkaz:
https://doaj.org/article/201791f7cfaf47a5b5f19c46d4b4f313
Publikováno v:
Applied Sciences, Vol 12, Iss 12, p 6063 (2022)
Rocks are less resistant to tension than to compression or shear. Tension cracks commonly initiate compression or shear failure. The mechanical behavior of layered rocks under compression has been studied extensively, whereas the tensile behavior sti
Externí odkaz:
https://doaj.org/article/2ee35f9e4c6e4059aff638020830824f
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3864 (2022)
The multi-scale, high-resolution and accurate structural modeling of rocks is a powerful means to reveal the complex failure mechanisms of rocks and evaluate rock engineering safety. Due to the non-uniformity and opacity of rocks, describing their in
Externí odkaz:
https://doaj.org/article/f8bf22eac01a4a7db8fa929e3ec05080
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
The phenomenon of acoustic emission (AE) is associated with rock failure and rock fracturing. In order to investigate the influence of tectonic stress on rockburst in tunnel, a biaxial loading experiment system was used in this study. The excavation
Externí odkaz:
https://doaj.org/article/5a602d80274a404dbafd1204bda7a2a2
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
FEM-based numerical investigation was conducted to investigate the fracture characteristics of heterogeneous rocks with preexisting surface flaws under dynamic loadings. Different types of cracks from initiation to coalescence of the specimen with a
Externí odkaz:
https://doaj.org/article/1037d4c4a47742618f85395a5844abe3
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
The TBM tunneling at the Jinping II hydropower station in Southwest China has received extensive concerns around the world because of its large engineering scale and the high rockburst risks faced in the tunnel advancement. The associated energy chan
Externí odkaz:
https://doaj.org/article/dc6013491b2e49f587ae7fb660f8aa35
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
Different types of rocks generate acoustic emission (AE) signals with various frequencies and amplitudes. How to determine rock types by their AE characteristics in field monitoring is also useful to understand their mechanical behaviors. Different t
Externí odkaz:
https://doaj.org/article/867646fa50b645b9a4e340f3129133ad