共搜索到14009条信息,每页显示10条信息,共1401页。用时:0小时0分0秒697毫秒
J. Cent. South Univ. (2017) 24: 2082-2091 DOI: https://doi.org/10.1007/s11771-017-3617-3 A new failure mechanism for deep cavity and upper bound solution of supporting pressure ZHANG Dao-bing(张道兵)1... for deep buried cavity. Three failure mechanisms are first introduced according to the existing failure mechanisms of geotechnical structures of limit analysis. A comparison with respect to the optimal......
J. Cent. South Univ. (2018) 25: 2979-2991 DOI: https://doi.org/10.1007/s11771-018-3968-4 Geotechnical characterization of red shale and its indication for ground control in deep underground mining..., Chongqing 400044, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: Geotechnical properties of red shale encountered in deep underground......
J. Cent. South Univ. (2020) 27: 2822-2833 DOI: https://doi.org/10.1007/s11771-020-4512-x Core discing characteristics and mitigation approach by a novel developed drill bit in deep rocks ZHENG Min... discing often occurs in deep rocks under high-stress conditions and has been identified as an important characteristic for deep rock engineering. This paper presents the formation mechanism of core......
J. Cent. South Univ. (2019) 26: 711-718 DOI: https://doi.org/10.1007/s11771-019-4041-7 Numerical study of flocculation settling and thickening of whole-tailings in deep cone thickener using CFD..., Beijing 100083, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Deep cone thickener (DCT) is the key equipment in cemented paste backfill (CPB......
J. Cent. South Univ. (2020) 27: 210-220 DOI: https://doi.org/10.1007/s11771-020-4289-y Model test to investigate reasonable reactive artificial boundary in shaking table test with a rigid container... of Springer Nature 2020 Abstract: When conducting dynamic tests of underground structure by a rigid container, reasonable boundary conditions are one of the essential factors related to the accuracy of test......
Axial bearing behavior of super-long piles in deep soft clay over stiff layersZOU Xin-jun(邹新军), ZHAO Ming-hua(赵明华)(College of Civil Engineering, Hunan University, Changsha 410082, China)Abstract:In order to find out the bearing behavior of super-long piles located in deep soft clay over stiff layers around Dongting Lake, China, a test pile was first designed with the field loading test finished......
变形;温热拉深;极限拉深比 中图分类号:TG 146 文献标志码:A Deep drawing of twin-roll cast AZ31B Mg alloy sheets at warm temperatures by pre-forming LIU Zhi-min, XING Shu-ming, BAO Pei-wei, LI... warm deep drawability of the twin-roll cast AZ31B Mg alloy sheet, a warm deep drawing process by pre-forming was proposed. The warm deep drawing experiments of twin-roll cast AZ31B Mg alloy sheets......
)03-0936-04 Forming properties of 5182 aluminum alloy for automotive body sheet during warm deep drawing processes WANG Meng-jun1, 2, ZHOU Wei1, REN Jie1, LI Cai-wen1, HUANG Dian-yuan1, LI Guang-yao2... and Manufacture for Vehicle Body, Hunan University, Changsha 410082, China) Abstract: The forming properties of 5182 aluminium alloy sheet for automotive body were studied by warm deep drawing......
Hydrodynamic deep drawing of double layered conical cups Alireza JALIL1, Mohammad HOSEINPOUR GOLLO1, M. Morad SHEIKHI1, S. M. Hossein SEYEDKASHI2 1. Faculty of Mechanical Engineering, Shahid Rajaee...: Hydrodynamic deep drawing assisted by radial pressure is an advanced sheet forming technology with great advantages such as higher drawing ratio, good surface quality and higher dimensional accuracy......
ARTICLE J. Cent. South Univ. (2019) 26: 1619-1636 DOI: https://doi.org/10.1007/s11771-019-4117-4 Factors affecting thin coal seam shearer drum coal-loading performance by a model test method GAO... to study the pivotal factors’ influences on drum coal-loading rate using a model test method. The effects of the drum hub diameter, cutting depth, vane helix angle, drum rotation speed and hauling speed......