Zobrazeno 1 - 10
of 16
pro vyhledávání: '"LUSHENG YANG"'
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
The paper presents a framework for accelerating the phase field modeling of compressive failure of rocks. In this study, the Drucker-Prager failure surface is taken into account in the phase field model to characterize the tension-compression asymmet
Externí odkaz:
https://doaj.org/article/488cb9e094734e61ae975309b1be3830
Publikováno v:
Oil Shale, Vol 39, Iss 1, Pp 79-95 (2022)
In this study, a self-designed test system for injecting water vapour was used to pyrolyse oil shale from Barkol, Xinjiang, China. The internal structure of oil shale samples after water vapour pyrolysis at different temperatures was characterised us
Externí odkaz:
https://doaj.org/article/64cf200774e34eafb050f8d6e7ba51c2
Publikováno v:
Geofluids, Vol 2021 (2021)
Water inrush from coal seam floors is one major geological obstacle hindering safe and efficient production activities in mines. Determining the source of water inrush can facilitate its prediction and guide decisions regarding measures for preventio
Externí odkaz:
https://doaj.org/article/e20a6621c1fc4245a48a93911723cedd
Autor:
Lusheng Yang, Peng Li
Publikováno v:
Geofluids, Vol 2021 (2021)
This paper adopts a real-time high-temperature triaxial seepage test system to study the permeability evolution of oil shale in the Jimusar area, Xinjiang, with the temperature, pore pressure, and volumetric stress. The results indicate that (1) the
Externí odkaz:
https://doaj.org/article/9bb6cda5c1844b12a467d309ae25e481
Autor:
Zhenghe Liu, Hailong Ye, Lusheng Yang, Shaohua Wang, Junwen Zhang, Baisheng Zhang, Zhiqiang Li
Publikováno v:
Geofluids, Vol 2020 (2020)
The width of an abandoned roadway has a great influence on the roof stability of the working face. According to the coal seam conditions of the 30106 working face in the Sanyuan Shiku mine, the advance of a working face through an abandoned roadway w
Externí odkaz:
https://doaj.org/article/a8161f95439f4b1d98ecc0b593dcda30
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources. 7
Directional hydraulic fracturing by prefabricating longitudinal (axial) cracks on the sides of boreholes is an effective technique to control hard roof and ensure mining safety. In the present work, a true triaxial hydraulic fracturing experimental d
Autor:
Peng Li, Lusheng Yang
Publikováno v:
Geofluids, Vol 2021 (2021)
This paper adopts a real-time high-temperature triaxial seepage test system to study the permeability evolution of oil shale in the Jimusar area, Xinjiang, with the temperature, pore pressure, and volumetric stress. The results indicate that (1) the
Publikováno v:
Geofluids, Vol 2021 (2021)
Water inrush from coal seam floors is one major geological obstacle hindering safe and efficient production activities in mines. Determining the source of water inrush can facilitate its prediction and guide decisions regarding measures for preventio
Publikováno v:
Liu, Z, Ren, X, Lin, X, Lian, H, Yang, L & Yang, J 2020, ' Effects of Confining Stresses, Pre-crack Inclination Angles and Injection Rates : Observations from Large-Scale True Triaxial and Hydraulic Fracturing Tests in Laboratory ', Rock Mechanics and Rock Engineering, vol. 53, no. 4, pp. 1991-2000 . https://doi.org/10.1007/s00603-019-01995-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28f83b9126572689e30e10a06c1bd65c
https://pure.au.dk/portal/da/publications/effects-of-confining-stresses-precrack-inclination-angles-and-injection-rates(92d397ad-0c04-47ad-b9f7-8583a429bc86).html
https://pure.au.dk/portal/da/publications/effects-of-confining-stresses-precrack-inclination-angles-and-injection-rates(92d397ad-0c04-47ad-b9f7-8583a429bc86).html
Publikováno v:
Engineering Fracture Mechanics. 250:107790
In this work, large-scale true triaxial tests were conducted with sandstone specimens to investigate several factors that determine whether hydraulic fractures can propagate from the tips of axial prefabricated cracks (pre-cracks). Specifically, we i