Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Guowang Meng"'
Publikováno v:
Buildings, Vol 14, Iss 5, p 1349 (2024)
For the purpose of reliability quantitative assessment of the surrounding rock of the deeply embedded karst tunnel and the geological body around the cavern in the case of the cavern in the forepart of the tunnel face, on the basis of the upper bound
Externí odkaz:
https://doaj.org/article/b040eb114fa740ed8644218ba8b60043
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-14 (2023)
Abstract In the process of cyclic blasting during tunnel excavation, the reserved surrounding rock sustains irreparable damage accumulation. For safe tunnel construction, it is imperative to understand the characteristics of blasting dynamic cumulati
Externí odkaz:
https://doaj.org/article/758f68518bef41d0887a325e52108666
Publikováno v:
Applied Sciences, Vol 14, Iss 5, p 2079 (2024)
To conduct a sensitivity analysis of the relevant parameters that impact the mechanics of tunnel construction in karst areas, firstly, the orthogonal design and range analysis method is applied to sort the 11 kinds of karst-tunnel-influencing factors
Externí odkaz:
https://doaj.org/article/7b5e0d0c69a74af2b67d82bdd83ef94f
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract On the western plateau of China, ventilation problems brought on by low atmospheric pressure must be overcome. And CO migration after blasting in high-altitude tunnel by inclined shaft has become a significant scientific issue. In this study
Externí odkaz:
https://doaj.org/article/832503981f7b45229926feeac0d771e9
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-17 (2022)
Abstract The tunneling collapse is the main engineering hazard in the construction of the drilling-and-blasting method. The accurate assessment of the tunneling collapse risk has become a key issue in tunnel construction. As for assessing the tunneli
Externí odkaz:
https://doaj.org/article/a4f6ec557644454fa0e62c4612e567a3
Publikováno v:
Mathematical Biosciences and Engineering, Vol 19, Iss 1, Pp 309-330 (2022)
The tunnel collapse is one of the most frequent and harmful geological hazards during the construction of highway rock tunnels. As for reducing the occurrence probability of tunnel collapse, a new dynamic risk assessment methodology for the tunnel co
Externí odkaz:
https://doaj.org/article/5fcaaecfb7594649ab3b065881270da2
Publikováno v:
Heliyon, Vol 8, Iss 10, Pp e10992- (2022)
Numerical simulation based on SPH method, compared with laboratory experiments, using the grey correlation theory to analyze the correlation between the parameters of the elliptical bipolar linear shaped charge and the performance of the shaped charg
Externí odkaz:
https://doaj.org/article/dcf3030a01db486fb9df1096a79bf6d3
Autor:
Jinjiang Shi, Bo Wu, Yi Liu, Shixiang Xu, Jianlin Hou, Yong Wang, Qingwen Sun, Guowang Meng, Zhongjian Nong, Hongbin Qiu, Xiang Li
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
Taking the deep foundation pit of a metro station with rich water environment as the research background, a three-dimensional model of seepage-stress coupling is established. Numerical simulation is used to study the deformation process and influenci
Externí odkaz:
https://doaj.org/article/64abb4663c1b414687a83f4c1eb3b555
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Collapse is one of the main dangers of tunnel construction using the drill-blast method. To assess the risk of collapse and provide a basis for risk control, a failure probability evaluation method for tunnel collapse based on a Bayesian network (BN)
Externí odkaz:
https://doaj.org/article/e95a7254b6cb45b792be01f6b8041b5e
Publikováno v:
Advances in Materials Science and Engineering, Vol 2022 (2022)
To study the dynamic response of shallow buried tunnel lining by drilling and blasting method, ABAQUS simulation software was used to establish a tunnel blasting finite element model based on the consideration of in situ stress. Dynamic static coupli
Externí odkaz:
https://doaj.org/article/906db625c9d84f9fae6cb239fac48abe