Results 11 to 20 of about 18,688 (295)

Surrounding Rock Stability Classification Method of Coal Roadway Based on In Situ Stress [PDF]

open access: yesAdvances in Civil Engineering, 2021
In situ stress is one of the most important factors affecting surrounding rock stability classification of coal roadway. Most surrounding rock stability classification methods do not fully consider the influence of in situ stress.
Yongjie Yang, Gang Huang, Lingren Meng
doaj   +2 more sources

Prediction of surrounding rock stability of coal roadway based on machine learning and its application [PDF]

open access: yes矿业科学学报, 2023
The classification of surrounding rock stability of coal roadway has important theoretical and practical significance for the design, construction and management of on-site rock mass engineering.This paper selected seven key indexes that affect the ...
Ma Xinmin   +5 more
doaj   +2 more sources

Numerical Simulation on the Stability of Surrounding Rock of Horizontal Rock Strata in the Tunnel [PDF]

open access: yesCivil Engineering Journal, 2018
Horizontal rock strata is a geological condition of rock which is often encountered in the tunnel construction, and it has an important influence on the tunnel construction, it is necessary to analyze and study the stability of horizontal rock strata in tunnel construction to ensure the tunnel construction's safety and efficiency.
Nian Zhang   +3 more
openaire   +4 more sources

Evaluation and Application of Surrounding Rock Stability Based on the Improved Weighting Multidimensional Cloud Model [PDF]

open access: yesAdvances in Civil Engineering, 2021
Aiming at the uncertainty in the existing tunnel surrounding rock stability evaluation methods and the inability to make scientific explanations in the process of determining the weights of multiple evaluation indicators, this paper combines subjective ...
Jing Long Li   +3 more
doaj   +2 more sources

Study on the Stability of Surrounding Rock of Underground Circular Cavern Based on the Anchor Reinforcement Effect [PDF]

open access: yesAdvances in Civil Engineering, 2018
Achieving a comprehensive and accurate understanding of the anchor reinforcement mechanism and a quantitative evaluation of the surrounding rock’s stability for an anchored underground cavern can provide an important theoretical basis for supporting and ...
Shuancheng Gu   +5 more
doaj   +2 more sources

Numerical Modeling and Stability Analysis of Surrounding Rock of Yuanjue Cave [PDF]

open access: yesGeofluids, 2021
Yuanjue Cave, located in Big Buddha Bay, Mount Baoding, Dazu Rock Carvings Area, has extremely high historical, artistic, and religious value and is an important grotto cultural relic in China. Due to the cutting action of the fissures and weak interlayers, the South Cliff of Big Buddha Bay where Yuanjue Cave is located showed signs of instability.
Zhigang Meng   +4 more
openaire   +4 more sources

Stability of surrounding rock with water accumulation in goaf [PDF]

open access: yes矿业科学学报
This study investigates the influence of water accumulation in goaf on the stability of surrounding rock in a coal mine in Shanxi Province via field test, laboratory experiment and numerical simulation. Specifically, we established 3D geometric models of water bodies and goaf in water-bearing goaf based on 3D laser scanning and sonar. We then conducted
JIN Changyu, WEI Zhenlin, CHEN Tianyu
openaire   +4 more sources

Research on the Stability of Inter-Roadway Surrounding Rock in Spatially Intersected Roadways Under Dynamic Loading [PDF]

open access: yesApplied Sciences
Spatially intersecting roadways in mines are prone to stress concentration due to disturbances during mining operations, which significantly affects the stability of the inter-roadway surrounding rock between the roadways.
Pei Zhang   +4 more
doaj   +2 more sources

Stability Analysis and Support Optimization of Tunnel Surrounding Rock with Weak Interlayer Based on Catastrophe Theory [PDF]

open access: yesBuildings
A tunnel excavation model with weak interlayers is established to analyze the effect of different angles and thicknesses on the displacement of the surrounding rock.
Tuo Zhang   +3 more
doaj   +2 more sources

Back analysis and stability prediction of surrounding rock during excavation of the Shuangjiangkou underground powerhouse [PDF]

open access: yesJournal of Civil Engineering and Management
The underground powerhouse of the Shuangjiangkou hydropower station is one of the largest caverns under construction in China, and its stability during construction is crucial for safe construction.
You Li   +6 more
doaj   +4 more sources

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