Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Weige HAN"'
Autor:
Shankun ZHAO, Bingqin WANG, Zhenguo SU, Shaogang LI, Yue SHI, Xincheng SANG, An LIU, Weige HAN
Publikováno v:
Meikuang Anquan, Vol 55, Iss 12, Pp 10-21 (2024)
With the extensive development of coal resources in Shaanxi and Mongolia, rock burst phenomenon has gradually become an important problem affecting the safety production of coal mines. Aiming at the problem of uniform pressure relief of hard thick ro
Externí odkaz:
https://doaj.org/article/d03f22d48b97420f80c22114bda22d7a
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-23 (2024)
Abstract To address the need for rapid repair and emergency support of traffic capacity in damaged tunnels, this study proposed a new structure combining arches assembled from steel plates and shotcrete with high early strength and performance (herei
Externí odkaz:
https://doaj.org/article/154d2132278e4a58959e71e573948c55
Autor:
Zhengguo Zhu, Chaoyi Ma, Zhichun Fang, Weige Han, Renyuan Wang, Zhiming Han, Shaohu Chu, Yuanbo Gao
Publikováno v:
PLoS ONE, Vol 17, Iss 12, p e0278782 (2022)
Rockburst physical model test, as one of the important means to study deep tunnel engineering, reflects the main influencing factors of rockburst into the model test through similar theory, so as to reveal the formation mechanism, influencing factors
Externí odkaz:
https://doaj.org/article/a069bdb77cdd4d0ca3c24bd636109087
Publikováno v:
Energies, Vol 15, Iss 16, p 6052 (2022)
The bedding planes of unconventional oil and gas reservoirs are relatively well developed. Bedding planes directly interfere with hydraulic fracture expansion. Determining how bedding planes influence hydraulic fractures is key for understanding the
Externí odkaz:
https://doaj.org/article/ce455d1ef8bf445ab8fd5810660b34eb
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
Producing a sufficient volume of multiscale crack networks is key to enhancing recovery of shale gas. The formation of crack network largely depends on initiation and propagation of microcracks. To reveal the influence of different loading methods on
Externí odkaz:
https://doaj.org/article/ae08b622eae64ad085b16904302921e4
Publikováno v:
Energies, Vol 14, Iss 13, p 4040 (2021)
When the shale gas reservoir is fractured, stress shadows can cause reorientation of hydraulic fractures and affect the complexity. To reveal the variation of stress shadow with perforation spacing, the numerical model between different perforation s
Externí odkaz:
https://doaj.org/article/d32ac3e1aefe4dfa9ee4d5698e7e7534
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources. 8
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
Producing a sufficient volume of multiscale crack networks is key to enhancing recovery of shale gas. The formation of crack network largely depends on initiation and propagation of microcracks. To reveal the influence of different loading methods on
Publikováno v:
Journal of Petroleum Science and Engineering. 168:409-418
Due to the typical depositional environment and pre-existing microcracks, shale usually exhibits strong anisotropy. Characterizing crack propagation of shale with obvious stratification is crucial in the shale gas development. Therefore, this work ai
Publikováno v:
Theoretical and Applied Fracture Mechanics. 116:103093
Rock fracture toughness is an important parameter for the engineering geological design. In this present study, chevron straight-notched semi-circular bend (CSNSCB) specimens with wide-flat liner chevron ligament (Type-A) and long-narrow liner chevro