Results 201 to 210 of about 93,033 (262)

Mechanisms and control of large deformation in mudstone roof gob side entry of inclined coal seams with water softening. [PDF]

Sci Rep
Tian C, Chang J, Li Z, Chen D, Xing S, Zhang Z, Zhao W, Yang X.   +7 more
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Research on active advance support technology of mining roadway under hard roof condition. [PDF]

Sci Rep
Li Y, Hu D, Zhao J, Kong P, Yang Z, Cai H.   +5 more
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Stability criterion and control technology of roadway surrounding rock in Thick coal seam with multi-layer gangue roof. [PDF]

Sci Rep
Cao Y, Zheng Y, Xu Z, Tai L.
europepmc   +1 more source

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Finite Difference Analysis of Roadway Support

Advanced Materials Research, 2012
Hunchun Mining Co., Ltd. for a 11910 face return air drift mine for the study of the background, using the finite difference software (FLAC) simulated roadway excavation and shoring, anchors through simulation analysis supporting roadway network cable and rock deformation stress distribution, simulation results show that the design of the anchor mesh ...
Yu Zhang, Xiang Yi Kong
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Geogrid-Reinforced and Pile-Supported Roadway Embankment

Contemporary Issues in Foundation Engineering, 2005
Settlement is one of the major concerns in roadway embankment construction in areas where soft soil deposits constitute the major portion of subsurface soil. A pile foundation system is an effective way to support an embankment in order to minimize total settlement.
Reinaldo Vega-Meyer, Yong Shao
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Roadway Anchor Support Design Method Based on the “Three Zones” of Roadway Roof

Advanced Materials Research, 2014
Aiming at the problem of serious deformation and failure of the surrounding rock of the main roadways in diabase zone in west wing on-500m leve in Dongbaowei Coal Mine and roof caving occurring several times, the rupture characteristics of roadway roof rock was observed in this paper.
Zhi Gang Wang, Ling Fan Zhang, Da Zhang Zhang, Tian Bai Zhou, Zhi Hao Zhang   +4 more
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Integrated Decision Support for Roadway Safety Analysis

Journal of Computing in Civil Engineering, 2011
This paper presents an integrated decision-support framework that helps public agencies identify high-crash locations and develop cost-effective safety improvement projects. State-of-the-art safety concepts, such as safety performance functions, empirical Bayesian method, and potential for safety improvements, are incorporated to identify hazardous ...
Jang-Hyeon Jo, Jong-Sung Lee, Yanfeng Ouyang, Fan Peng   +3 more
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Strata loading of mine roadway supports

Mining Science and Technology, 1984
Abstract Several tunnels and roadways in U.K. coal mines have been instrumented to establish an improved understanding of the general characteristics of rock pressure loading on steel supports in such excavations. The sites selected were in a depth range of 350–780 m below surface, whilst the geology was typically Carboniferous Coal Measures rock ...
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Optimization of combined support in soft-rock roadway

Tunnelling and Underground Space Technology, 2020
Abstract Ground support and reinforcement technology can greatly enhance the stability of underground excavations and make the underground infrastructure safer. This paper investigates a combined support methodology aiming at increasing the stability and safety of soft-rock roadways in the Zhongguan iron mine in China via analysis of the field ...
Yu, Kunpeng, Ren, Fengyu, Puscasu, Ruslan, Lin, Peng, Meng, Qingge   +4 more
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