Zobrazeno 1 - 10
of 201
pro vyhledávání: '"construction parameters"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Effective coalbed methane extraction from soft coal seams is essential for mine safety and energy supply. To enhance the extraction efficiency of coal mine methane (CMM) and reduce the risk of gas outbursts in coal mining areas, we developed
Externí odkaz:
https://doaj.org/article/b5bb57392389498fa42b186c069634d1
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The effects on the upper masonry structure and the construction parameters of shield cutting piles were studied during shield construction, focusing on a shield interval of Zhengzhou Metro Line 5. The study utilized the actual engineering ca
Externí odkaz:
https://doaj.org/article/391687f270ce4c5aaf90df7f39cd6211
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
This work aims to derive a mathematical model that describes the thermal conductivity of the elastic single jersey knitted fabric (SJKF) based on the loop geometry and the yarn and fibers inclination on the direction of heat flow, and to assist the m
Externí odkaz:
https://doaj.org/article/ed6cada4681f4df2bd71ea66ea78046f
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The stability of the surrounding rock is an important engineering challenge for soft rock tunnels. Based on the FLAC3D finite difference numerical simulation software, this paper analyzes the typical area of the Fenghuang Mountain tunnel in the Chuxi
Externí odkaz:
https://doaj.org/article/16551d482a62484488b5d48b3ff0a710
Autor:
Haoqi Chen, Hualin Liu, Cheng Shen, Weiyang Xie, Taixin Liu, Junfu Zhang, Jiangnuo Lu, Zhenglan Li, Yu Peng
Publikováno v:
Energies, Vol 17, Iss 15, p 3644 (2024)
Shale gas reservoirs, as representative reservoirs in the Sichuan Basin, have attracted widespread attention regarding development. Using gas reservoir numerical simulation to assist development has greatly improved the work efficiency of workers. Ho
Externí odkaz:
https://doaj.org/article/2d5cdf1b46724bd5ae74ffa3edb66955
Publikováno v:
Petroleum Exploration and Development, Vol 50, Iss 2, Pp 464-472 (2023)
Using the visualized experimental device of temporary plugging in hydraulic fractures, the plugging behaviors of temporary plugging particles with different sizes and concentrations in hydraulic fractures were experimentally analyzed under the condit
Externí odkaz:
https://doaj.org/article/8eb5f5760c95437582d06ef19d8464cf
Publikováno v:
Electronic Research Archive, Vol 31, Iss 5, Pp 2775-2792 (2023)
In intelligent compaction, a critical issue is determining the combination of construction parameters (e.g., the rolling speed and the number of passes) for achieving optimal compaction results. In this paper, a finite element model was developed bas
Externí odkaz:
https://doaj.org/article/14422779fdb64159bc5f31260d009291
Autor:
Xiong Wu, Jiangbo Xu, Shaowei Wang, Peng Sha, Zemin Han, Xinyu Chen, Sheng Shu, Wei Qiao, Xianglong Zeng
Publikováno v:
Buildings, Vol 14, Iss 5, p 1236 (2024)
In order to mitigate ground deformation during shield construction in both upper soft and lower hard strata of coastal areas, a numerical simulation was executed. This simulation assessed surface deformation under varying stratum ratios, grouting pre
Externí odkaz:
https://doaj.org/article/a9a8938a368244259f803143d010db9a
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Akademický článek
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