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New methods of safety evaluation for rock/soil mass surrounding tunnel under earthquakeCHENG Xuan-sheng(程选生)1, 2, 3, DOWDING Charles H2, TIAN Rui-rui(田瑞瑞)1(1. School of Civil Engineering, Lanzhou... with the seismic safety evaluation for the rock mass or soil mass surrounding a tunnel, and the limitation of evaluating seismic stability is considered using the pseudo-static strength reduction......
Finite element model with imposed slip surfaces for earth mass safety evaluationNuno ARAúJO1, Gaspar J. MACHADO2, Júlio B. MARTINS2, Hugo M. R. D. SILVA1(1. C-TAC, Territory, Environment...:The study of earth masses requires numerical methods that provide the quantification of the safety factor without requiring detrimental assumptions. For that, equilibrium analysis can perform fast......
as the evaluation indexes for safety methods. A massage robot realizes its massage therapy function through applying a rhythmic force on the massage object. Therefore, the traditional definition of safety...; the evaluation of the safety of working environments and the design of improvements to the safety of working environments; and the determination of the limiting conditions for the safety of manipulator......
谈黄金(有色)冶炼行业建设项目的安全评价周肇民1(1.陕西省渭南市潼关县潼关中金冶炼有限责任公司)摘 要:黄金(有色)冶炼行业建设项目的安全评价可包括两方面内容:一是危险化学品建设项目安全评价;二是非危险化学品建设项目安全评价.阐述了黄金(有色)冶炼行业建设项目的安全评价界定,介绍了安全评价的导则和技术标准,分析了安全评价中的常见问题.关键词:冶炼行业; 建设项目; 项目设立安全评价; 安全预评价; 安全验收评价......
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J. Cent. South Univ. (2018) 25: 1524-1534 DOI: https://doi.org/10.1007/s11771-018-3845-1 Backfill support’s backfill and operation properties and evaluation ZHANG Qiang(张强)1, 2, DU Chang-long(杜长龙)1... intensity and vertical roof gap. Seven separate evaluation indexes are selected to build a backfill and operation properties based system for evaluating the design schemes of the backfill support via......
J. Cent. South Univ. (2020) 27: 1587-1598 DOI: https://doi.org/10.1007/s11771-020-4392-0 Catastrophe theory-based risk evaluation model for water and mud inrush and its application in karst tunnels... University, Changsha 410075, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: This paper presents a risk evaluation model of water and mud......
of the ultimate stress to the maximum compressive stress of the roof, which is a quantitative evaluation index of roof stability. Considering the failure mode of roof, the comprehensive safety factor (K... J. Cent. South Univ. (2021) 28: 595-603 DOI: https://doi.org/10.1007/s11771-021-4624-y Comprehensive safety factor of roof in goaf underdeep high stress JIANG Li-chun(姜立春)1, 2, JIAO Hua-zhe(焦华喆)3......
to implement effective safety diagnosis and evaluation of CMPS. According to the characteristics of CMPS, generally, the safety evaluation method includes process safety review, safety checklist analysis... and Proadwaytary Science, 2009, 11(1): 13-19. [7] HOU Yun-bing, PAN Ren-fei, WU Ji-yan, WANG Bao-ping. Coal mine safety evaluation based on the reliability of expert decision [J]. Procedia Earth......
powered excavation; comprehensive evaluation 1 Introduction With the increasing requirements of safety, environmental protection and energy saving and efficiency for excavation in deep rock mass...J. Cent. South Univ. Technol. (2011) 18: 1902-1909 DOI: 10.1007/s11771-011-0921-1 A novel experimental system for performance evaluation of water powered percussive rock drill LI Xi-bing(李夕兵), LI Zhi......