Results 81 to 90 of about 3,856,015 (196)
Advances in Civil Engineering, 2019 In order to analyze the impact of compound breakage of key strata on overlying strata movement and strata pressure behavior during the fully mechanized caving mining in shallow and extremely thick seams, this paper took the 1322 fully mechanized caving ...
Junmeng Li +5 more
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Mechanical Analysis of the First Fracture Characteristics of Hard Roof of Extra-thick Coal Seam
Meikuang Anquan, 2020 In order to investigate the failure mechanisms of the hard roof in the fully mechanized caving face in the extra-thick coal seam, the mechanical analysis model of the first breaking of the hard top roof in the fully mechanized caving mining of the extra-
LIANG Shaping, LU Yinlong, GUO Peng, WU Bingzhen
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Research on stress distribution characteristics of coal pillar in fully mechanized caving face
Gong-kuang zidonghua, 2020 For fully mechanized caving face with high gas and fault occurrence, coal pillar with reasonable reserved width can not only support overlying strata pressure, but also isolate gas in goaf and reduce gas diffusion. However, there is a lack of research on distribution characteristics of surrounding rock stress under the condition of reasonable reserved ...
LIU Ming, CAO Minyuan, LI Bo
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Failure Mechanism of Asymmetric Large Deformations Under Repeated Mining in Roadways
Energy Science &Engineering, Volume 14, Issue 3, Page 1195-1212, March 2026.Principal stress‐evolution diagram at different advance positions of 42205 working face. ABSTRACT To address the challenge of controlling severe asymmetrical deformation in roadways subjected to repeated mining, this study (i.e., based on the engineering context of the Buertai Coal Mine) investigated the characteristics of the regional stress field in ...
Ai‐Rong Wang +3 more
wiley +1 more source
International Journal of Tourism Research, Volume 28, Issue 2, March/April 2026.ABSTRACT Despite extensive literature on the demand for recreational sports tourism, more research is needed on stakeholders' shared responsibilities for environmental conservation. To address this gap, this study proposed an extended conceptualization of shared responsibility, examining stakeholders' perceptions, expectations and interactions in ...
Casey Wai Ki Ho, Vincent Wing Sun Tung
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Electrical and Mechanical Technology Research of Fully Mechanized Coal Caving under Aquifer
, 2011 In this paper, We studied the technical issues of fully mechanized caving under aquifer in Tiebei mine of Zhalainuoer mining company，carry on analysis and studies from the electrical and mechanical equipment to the technical management and gave the ...
Gui Ling Bu, Li Wang, Bai Chao Song
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Antipode, Volume 58, Issue 2, March 2026.ABSTRACT Construction of the Mountain Valley Pipeline (MVP), a 42‐in. diameter, 303‐mile fracked gas pipeline through Appalachia, was mandated by the US Congress in the Fiscal Responsibility Act of 2023. The pipeline was completed despite numerous legal and regulatory challenges.
Alaina Kinol
wiley +1 more source
, 2011 Because of its high output，much more dust is produced in fully-mechanized Longwall mining with top-coal caving (LMTC) mining faces than in conventional mechanized mining faces without top-coal caving.
Sheng Ming Yan +2 more
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, 2021 The dust concentration changing regularities are the basis to take dust depression measures, which is greatly influenced by the airflow. In the software of FLUENT, the value of ventilation velocity is set as a constant, which cannot express the real ...
Yuyan Zhuang +4 more
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, 2023 Monitoring and providing warnings for coal mine rockburst disasters is a worldwide problem. Several rockburst accidents have occurred in a 1301 belt transport chute near a 1300 fully mechanized caving mine face.
Yongming Yin +5 more
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