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International Journal of Rock Mechanics and Minings Sciences, 2023 © 2022 Elsevier LtdThe longwall top coal caving (LTCC) production method, applied by forming a face in the horizontal thickness of the seam and also called horizontal section top coal caving, especially in studies originating from China, is widely used ...
Arif ÇELİK, Y Özçelik
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Stress analysis of longwall top coal caving
International Journal of Rock Mechanics and Minings Sciences, 2010 Longwall top coal caving (LTCC) is a relatively new method of mining thick coal seams that is currently achieving high productivity and efficiency in application, particularly in China.
Habib Alehossein
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Comparison of 222Rn measurement methods in caves
2021<p>Radon (222Rn) is a naturally inert radioactive gas, originating from the radioactive decay of 226Ra in the 238U radioactive decay chain. 222Rn has a variety of geoscientific applications. 222Rn, however, represents the most significant source of ionizing radiation exposure and can be critical in underground working and living spaces ...
Sara Gil-Oncina +4 more
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Cave Art in Context: Methods for the Analysis of the Spatial Organization of Cave Sites
Journal of Archaeological Research, 2011Investigations of prehistoric cave art have long neglected the surrounding context: space, archaeological objects, and imprints. As a result, an integrative structural approach that analyzes cave art as part of an anthropomorphized landscape has not been available.
Andreas Pastoors, Gerd-Christian Weniger
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Longwall and caving mining methods
1985The essential geomechanical features of longwall and caving methods of mining were outlined in Chapter 12. Longwall and caving methods are distinguished from other mining methods by the fact that the near-field rock undergoes large displacements so that mined voids become self-filling.
B.H.G. Brady, E.T. Brown
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Contribution of culture-independent methods to cave aerobiology: The case of Lascaux Cave
20148 p.-- Papers presented at the International Workshop "The Conservation of Subterranean Cultural Heritage", held 25-27 March 2014, in Seville, Spain.
P Martin-Sanchez, C Saiz-Jimenez
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A preliminary evaluation of Cave's roentgenographic method of fetal cephalometry
American Journal of Obstetrics and Gynecology, 1951Abstract A brief review of the literature relating to roentgenographic cephalometry has been presented. Particular emphasis has been given to the recent work of Cave, and his so-called precision method has been evaluated. If grossly unsatisfactory roentgenograms are excluded—and we are of the opinion that such roentgenograms can usually be excluded ...
T W, McELIN +4 more
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A virtual environment making method for CAVE system
2020 International Conference on Computing and Data Science (CDS), 2020CAVE immersive system is a large VR system with high immersion and good interaction means. CAVE can integrate vision, touch, sound, etc., and is widely used in architecture display, equipment structure research, simulation training, scientific research and other fields with high requirements for space sense and visual effect. According to the structure
Liguo Zheng, Meili Zhu, Hongwei Yu
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Cave detection using multiple geophysical methods: Unicorn cave, Harz Mountains, Germany
Geophysics, 2011Abstract Unicorn cave in the southern Harz Mountains of Germany is a show cave in dolomitic rocks of the Zechstein Formation. The cave's trunk passage is interrupted by larger rooms. The overburden is only around 15 m. The passages are filled with sediments that can be up to 50 m thick.
Georg Kaufmann +2 more
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