Results 81 to 90 of about 2,891 (238)
Advances in Civil Engineering, 2020 This paper studies and introduces the successful case of gob-side entry retaining technology and the typical mining pressure law in Luan mining area, which is the main mining coal seam in Qinshui coalfield. Qinshui coalfield has an estimated coal reserve
Meng Zhang +6 more
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Gong-kuang zidonghua, 2021 At present, the research on the coal pillar width of gob-side entry retaining focuses on the coal pillar strength, coal pillar load and coal pillar stability.
XIE Zhenhua1 +6 more
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Climate Change and Livelihoods-Based Adaptation: Experiences and Lessons from Bringing the Two Discourses Together [PDF]
, 2016 In past two decades or so, the ‘livelihoods' centric approaches in rural development have grown globally in a rapid manner. These are elaborated in diverse forms and framed in diverse social-ecological systems.
Ahmed, A. K. (Atiq) +2 more
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Deep Underground Science and Engineering, EarlyView.In response to the problem of strong mining pressure manifestation along the goaf roadway in a thick coal seam mining area, this study uses a new type of combined blasting roof cutting technology to effectively control the manifestation and deformation of mining pressure along the goaf roadway.
Xiaoding Xu +6 more
wiley +1 more source
Застосування FLAC3D моделі для комп’ютерного моделювання механізму деформування стального рамного кріплення, яке задане явним профілем [PDF]
, 2012 Purpose. The problem of simulating steel frame irreversible deformation and displacement remains unsolved. The purpose of this research was to develop a new approach to simulation of frame yield support. Methods. We used combination of different methods,
Butschen, Thomas +3 more
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Energy Science & Engineering, 2019 The successful retaining of the gob‐side entry under a thick and hard roof stratum is difficult because of the high pressure present and complex construction technology commonly used.
Wanpeng Huang +5 more
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ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.A sulfur fixation strategy via magnesium oxide is proposed to address sulfur dissolution in hard carbon anodes for sodium‐ion batteries. This method focuses on modifying the morphological structure of the hard carbon material, leading to significantly improved electrochemical performance.
Zebin Song +5 more
wiley +1 more source
Numerical studies of floor heave control by the rock bolts reinforcement technology in retained gob-side gateroad [PDF]
The effectiveness of modified rock bolts reinforcement technology for floor heave control in gob-side entry retaining was studied in this paper. A finite-element numerical simulation was used to analyse stress-strain state of surrounding rocks before and
Cabana Edgar Caceres +3 more
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ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.The work presents an innovative method for the preparation of mesoporous carbon materials (MCs) from highly graphitized carbon quantum dots. The zinc‐ion hybrid capacitors assembled with MCs deliver high rate performance and stability, providing promising advancements for future energy storage solutions.
Guoli Zhang +6 more
wiley +1 more source
Energy Science &Engineering, EarlyView.A novel collaborative control technology of gob‐side entry retention with narrow roadside filling wall is proposed, wherein anchoring end of anchor cable must penetrate the boundary line of stress peak (plastic zone). ABSTRACT Gob‐side entry retention represents a major technological innovation in the history of coal mining, offering numerous ...
Wenxu Liang, Wei Fu, Ziwen Liu
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