Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Wenqing PENG"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 6, Pp 2728-2740 (2024)
With the urgent need of energy saving and consumption reduction in today's world, the topic of increasing the energy conversion efficiency of ventilation fans has been attracted a lot of attentions, it has become a key issue in the field of ventilati
Externí odkaz:
https://doaj.org/article/315ba76073a44296be320c0f1ee0e13f
Autor:
Wenqing Peng, Shenghua Feng
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7527 (2024)
The phenomenon of peripheral rock instability is more common in crushed bedrock roadways, and the fundamental reason for this lies in the significantly different characteristics of its peripheral rock stress field. Taking the newly dug belt inclined
Externí odkaz:
https://doaj.org/article/ba56abd7cb31443fba62fd61c731dea7
Autor:
Wei Chen, Jie Liu, Wei Liu, Wenqing Peng, Yanlin Zhao, Qiuhong Wu, Yuanzeng Wang, Wen Wan, Shengnan Li, Huihua Peng, Xiantao Zeng, Xiaofan Wu, Yu Zhou, Senlin Xie
Publikováno v:
Journal of Materials Research and Technology, Vol 26, Iss , Pp 3245-3271 (2023)
To investigate the lateral deformation characteristics of dam bedrock scoured by river flow environments, standard specimens were prepared using cored sandstone from the barrage bedrock at the Sanhekou Water Conservancy Dam. The mechanical parameters
Externí odkaz:
https://doaj.org/article/891135c9ed3d4d8c89f59e27e2b0668d
Publikováno v:
SAGE Open, Vol 13 (2023)
There has long been a consensus that translation competence is a multi-componential construct, encompassing linguistic, strategic, and extra-linguistic competence. In this digitalized age, when translators are required to work with complex discourses
Externí odkaz:
https://doaj.org/article/ae844dee162c49138cf73ae590815964
Autor:
Wei Chen, Wen Wan, Yanlin Zhao, Qiuhong Wu, Huan He, Wenqing Peng, Xiaofan Wu, Yu Zhou, Li Wu, Senlin Xie
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
In order to study the deterioration characteristics of the tunnel surrounding rock under the scouring of flowing groundwater, we ratioed similar acidic solutions based on groundwater composition. The microstructure of granite samples cored on site, d
Externí odkaz:
https://doaj.org/article/3fff36bf29e747b9a6e92ac389a4e8bc
Publikováno v:
Energy Science & Engineering, Vol 8, Iss 9, Pp 3348-3364 (2020)
Abstract In this paper, the large deformation mechanism of deep dynamic pressure roadway is studied from the perspective of the formation and development of plastic zone, and creep and damage of rock mass. The results show that (a) the butterfly‐sh
Externí odkaz:
https://doaj.org/article/4adde66522e94ef0b30eb4eebafdcb0e
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
The paper studies the uniaxial compression mechanical properties of pillars under the deep and high-humidity environment. We make the pillars cored from the −750 m mine room of Wengfu Phosphate Mine into the standard dolomite samples and test with
Externí odkaz:
https://doaj.org/article/2fd7e814fb714502b58b230804e98d24
Autor:
Wei Chen, Wen Wan, Senlin Xie, Wenlong Kuang, Wenqing Peng, Qiuhong Wu, Shasha Tong, Xianqing Wang, Xiaoyu Tang
Publikováno v:
Geofluids, Vol 2020 (2020)
Acidic fluids cause rock erosion and further endanger the safety of rock engineering, especially the corrosion of pillars by acidic or weakly acidic groundwater. In this paper, the rock samples in the gypsum mining area were taken as the research obj
Externí odkaz:
https://doaj.org/article/bc80ad3aae624067be9488df3a4e2d02
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
The effect of rockbolt density on fractured specimens and the distribution law of fragments were studied using the fractal method. The results show that with the increase of rockbolt density, the strength of specimens is improved. Its degree of fragm
Externí odkaz:
https://doaj.org/article/f6616325d8fb4699bc41c039d09686a7
Autor:
Wei Chen, Wen Wan, Shuailong Lian, Senlin Xie, Yu Zhou, Wenqing Peng, Wenlong Kuang, Xianqing Wang, Shasha Tong
Publikováno v:
Advances in Civil Engineering, Vol 2020 (2020)
Roadway excavation changes the original equilibrium stress state of the rock mass, resulting in the loading and unloading of the surrounding rock near the free surface. After the excavation, the tangential stress increases and the radial stress decre
Externí odkaz:
https://doaj.org/article/40efdcbe8fac41c598d5ace8222df514