Results 1 to 10 of about 210,778 (120)
Study on periodic stress bearing characteristics of water-immersed coal body
Meikuang Anquan, 2023 For the long-term progressive damage of the coal pillar dam body of the underground reservoir under the action of water immersion-periodic stress, taking a mine in Shaanxi Province as the engineering background of the underground reservoir project, the ...
LIU Xiaofei, XUE Zongjian, NIU Tengchong
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CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS [PDF]
Минералогия, 2023 As part of the synthesis of new matrix materials for vitrification of highly active radioactive wastes, the crystalline phases formed during rapid cooling from melts of the Na2O–Rb2O–SrO(Ba)–B2O3– SiO2–Al2O3–ZrO2 system with a high Rb and Zr content (up ...
V.E. Eremyashev +3 more
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Yantu gongcheng xuebao, 2021 In order to enhance the strength of the structures and the stability of the floating process and to realize the fine leveling of the sinking process, the bulkheads must be installed in the composite bucket foundation.
CAI Zheng-yin 1, WANG Qing-shan 1, GUAN Yun-fei 1, HAN Xun 1, LI Wen-xuan 2
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Experimental Research on the Bearing Properties of Red Mud Geopolymer Foundations
Frontiers in Earth Science, 2022 In this study, the mechanical properties of composite foundations in red mud ground were examined, and the reinforcement effect of composite foundation dams with mixed geopolymer piles of fly ash and red mud were determined.
Haiqing Zhang +7 more
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Applied Sciences, 2023 In longwall top coal caving (LTCC), due to the fracture and migration of top coal, the roof will break and collapse, which causes serious impact damage to hydraulic support.
Qingliang Zeng +3 more
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Yantu gongcheng xuebao, 2022 The support structure of frame-prestressed anchor cable has limitations in the rapid emergency landslide reinforcement or slope support projects. At the same time, the existing support structure of variable cross-section prefabricated frame-prestressed ...
GUO Nan 1, 2, LU Fa 1, 2, YANG Xiao-hui 1, 2, MA Tian-zhong 1, 2
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Experimental study on bearing characteristics of micro steel tube piles in loess fill foundation
Yantu gongcheng xuebao, 2018 The researches on the performance of micro steel tube piles for the loess fill foundation are very scarce. Based on a practical reinforcement and slant rectification project, three micro steel tube piles are used as the test piles in the loess fill site.
ZHU Yan-peng 1, 2, WANG Hai-ming 1,2, YANG Kui-bin 1, 2, YANG Xiao-hui 1, 2
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Science and Engineering of Composite Materials, 2020 The concrete-filled steel tubular (CFST) arch is a new high-strength support form for a mine roadway in deep/soft rock stratum; however, the bearing characteristics have not been clearly elucidated for scientifically guiding field applications. Numerical
Mei Yuchun +5 more
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Yantu gongcheng xuebao, 2017 In order to meet the requirements of weak surrounding rock tunnel to close rock surface as soon as possible after excavation, to adapt to a certain deformation and to provide sufficient supporting force, through the indoor model tests on the mechanical ...
CUI Guang-yao 1, WANG Dao-yuan 2,3, NI Song-zhi 1, YUAN Jin-xiu 3, MA Jun-hui 4, ZHU Chang-an 5
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Research on bearing residual life prediction method of coal mine machinery equipment
Gong-kuang zidonghua, 2021 The bearing residual life prediction of coal mine machinery equipment is of great significance for equipment maintenance. The existing bearing residual life prediction methods are either difficult to establish an accurate mathematical model of bearing ...
SUN Yongxin
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