Results 21 to 30 of about 544,820 (302)
Advances in Civil Engineering, 2019 According to the strain-softening characteristics of rock mass, an ideal elastic strain-softening model is developed, and the surrounding rock of tunnels is subdivided into the plastic broken zone, plastic strain-softening zone, and elastic zone.
Qifeng Guo +4 more
doaj +1 more source
矿业科学学报, 2017 The distribution of plastic zone of surrounding rock in deep mining roadway is the key to control the stability of surrounding rock. Taking the deep mining roadway of Xingdong Mine as the research background, according to the "butterfly-shaped" plastic ...
Li Yongen +4 more
doaj +1 more source
Influence Factor of Roadway Surrounding Plastic Zone Under Unequal Stress in Two Directions
Meikuang Anquan, 2020 To study the distribution of surrounding rock plastic zone in roadway under unequal stress in two directions, the south rail lane in 500 m underground 81 mining area of Xutuan Coal Mine is taken as the engineering background.
DONG Hailong, CHEN Rubo, ZHANG Zhao, LIU Dianzhu
doaj +1 more source
Advances in Civil Engineering, 2018 In order to reveal the failure mechanism of the deep roadway under mining-induced pressure in coal mine, the boundary equations for the plastic zone around the deep roadway were deduced, and then the evolution laws for morphology of the plastic zone and ...
Yue Yuan +3 more
doaj +1 more source
Effect of Principal Stress Field on the Development of Plastic Zone ahead of the Gateroad
Energies, 2020 The distribution of a plastic zone ahead of a gateroad plays a significant role in maintaining the long-term stability of mining spaces. For a long time, the principal stress field such as the values, the direction, etc.
Hongtao Liu +3 more
doaj +1 more source
Lubrication in cold rolling: Elasto-plasto-hydrodynamic lubrication [PDF]
, 1993 A model has been developed with respect to hydrodynamic lubrication in cold rolling. The basic model describes the configuration of a rigid, perfectly plastic sheet rolled by a rigid work roll.
Lugt, P.M. +6 more
core +3 more sources
Glial plasticity at nervous system transition zones
Biology Open, 2023 ABSTRACT The central and peripheral nervous systems (CNS and PNS, respectively) are two separate yet connected domains characterized by molecularly distinct cellular components that communicate via specialized structures called transition zones to allow information to travel from the CNS to the periphery, and vice versa.
openaire +3 more sources
Localization Analysis of an Energy-Based Fourth-Order Gradient Plasticity Model
, 2015 The purpose of this paper is to provide analytical and numerical solutions of the formation and evolution of the localized plastic zone in a uniaxially loaded bar with variable cross-sectional area.
Jirásek, Milan +2 more
core +1 more source
Meitan xuebaoWith the increasing depth of coal mining, the stability control of surrounding rock in deep roadway has become one of major problems in the mining field, and the effect of surrounding rock control in deep roadway is directly related to the safe ...
Weijun WANG +3 more
doaj +1 more source
AIP Advances, 2018 An elastic-plastic analysis of the mode III crack surface vicinity was performed in an infinitely wide elastic-perfectly plastic plate, in which a pair of anti-plane forces applied at an arbitrary point on the crack surface.
Feng Huang +7 more
doaj +1 more source