Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Junqi Fan"'
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5929 (2024)
The collapse failure of rock surrounding caverns involves a progressive collapse process. Based on the nonlinear Hoek–Brown failure criterion and the upper limit theorem, the whole process curve of the progressive collapse of the surrounding rock o
Externí odkaz:
https://doaj.org/article/b24c16888ef6402b8a0fdcf6d7fc21a9
Autor:
Guozhu Wang, Lei Song, Qirui Wang, Zhuangcai Tian, Junqi Fan, Yu Wang, Jianwei Ren, Weihao Yang, Haipeng Li, Mingwei Zhang, Honglei Shen
Publikováno v:
Energy Science & Engineering, Vol 10, Iss 12, Pp 4466-4480 (2022)
Abstract In situ stress and groundwater have important effects on the deformation and stability of deep underground rock masses. Therefore, it is extremely important to study the mechanical properties and permeability evolutionary processes of rocks
Externí odkaz:
https://doaj.org/article/8514fb3641594b98814ddf1ef6fb0d20
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 49, Iss 6, Pp 114-123 (2022)
Rockburst is a dynamic process of a sudden and rapid release of elastic strain energy stored in hard rock mass during underground excavation. The occurrence of rockburst disaster during tunnel construction will cause serious consequences such as casu
Externí odkaz:
https://doaj.org/article/aa5481717b8a4b638907dba46cbee9d0
Autor:
Chenggang Zhao, Huihan Yu, Xiaoqing Fan, Wanxiang Niu, Junqi Fan, Suling Sun, Meiting Gong, Bing Zhao, Zhiyou Fang, Xueran Chen
Publikováno v:
Oncogenesis, Vol 11, Iss 1, Pp 1-12 (2022)
Abstract Glioblastoma stem cells (GSCs) are a highly tumorigenic cell subgroup of glioblastoma (GBM). Glycogen synthase kinase 3β (GSK3β) is considered a key hub for promoting malignant phenotypes in GBM. However, the functional relationships betwe
Externí odkaz:
https://doaj.org/article/b00fd3430baf4050bdc50eec7061e881
Publikováno v:
Oncogenesis, Vol 10, Iss 10, Pp 1-10 (2021)
Abstract Glioblastoma (GBM) is the most common and deadly of the primary intracranial tumors and is comprised of subsets that show plasticity and marked heterogeneity, contributing to the lack of success in genomic profiling to guide development of p
Externí odkaz:
https://doaj.org/article/580bd626cb444845a729c83a2461c16c
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
In order to study the effect of loading rate on rockburst, an indoor test of single-face fast unloading-three directions and five-face stress-vertical continuous loading is conducted under different loading rates using a new true-triaxial rockburst t
Externí odkaz:
https://doaj.org/article/2d23ebcdde224434bba5c090845c1933
Publikováno v:
Applied Sciences, Vol 13, Iss 15, p 8656 (2023)
To address the practical problem of decreased anchoring effect due to the detachment of the exterior bolt head from the cave wall under dynamic loads, this paper developed a partially recoverable displacement energy absorption (RDEA) bolt. On the bas
Externí odkaz:
https://doaj.org/article/7f52a4e12f3e4d7585c0d30ceddab0ff
Publikováno v:
Tehnički Vjesnik, Vol 27, Iss 3, Pp 826-834 (2020)
Demolishing a tall chimney by directional blasting can save time and cost. However, the blasting vibration and the touchdown vibration of the parts of the chimney falling to the ground will cause noise disturbance to the local residents. To reduce th
Externí odkaz:
https://doaj.org/article/24377699e70a4e1c892233de747d041f
Publikováno v:
Geofluids, Vol 2022 (2022)
To study the energy evolution law and failure characteristics of granite under different water content states, a series of compression failure tests of dry, natural, and saturated granite samples under different confining pressures were carried out b
Externí odkaz:
https://doaj.org/article/2ad85ab91e1a42c49b597c25c3e4a00b
Publikováno v:
Advances in Civil Engineering, Vol 2022 (2022)
Rockburst is still a stubborn disease in the field of engineering geology. The present research pays more attention to the influence of geological conditions on rockburst and less to the influence of type and stiffness of engineering support on rockb
Externí odkaz:
https://doaj.org/article/fd1e2013c93c4dc0a70fe9898662c749