Discrete Element Analysis of an Underground Opening in Blocky Rock: An Investigation of the Differences Between UDEC and DDA Results

机译：块状岩石中地下洞口的离散元分析：UDEC和DDA结果之间差异的调查

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In a previous study, two different discrete element methods (UDEC and DDA) were used to characterize the behavior of a blocky rock mass containing a rectangular-shaped underground opening (MacLaughlin and Langston, 2001). In eleven of the fifteen cases studied, both methods produced identical or very similar results. This paper presents the results of a follow-up study focussed on investigating the four cases in which the methods predicted drastically different behavior of the rock mass.

机译：在先前的研究中，使用两种不同的离散元素方法（UDEC和DDA）来表征包含矩形地下开口的块状岩体的行为（MacLaughlin和Langston，2001）。在所研究的十五个案例中，有十一个案例的结果相同或非常相似。本文介绍了一项后续研究的结果，该研究的重点是调查四种方法所预测的岩体行为截然不同的情况。

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《Third International Conference on Discrete Element Methods: Numerical Modeling of Discontinua Sep 23-25, 2002 Santa Fe, New Mexico, USA》|2002年|p.329-334|共6页
会议地点 Santa Fe NM(US)
作者
Mary M. MacLaughlin; Kathryn K. Clapp;
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Department of Geological Engineering, Montana Tech of The University of Montana, 1300 West Park Street, Butte, MT 59701, U.S.A.;

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原文格式 PDF
正文语种 eng
中图分类建筑科学;
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1. Prediction of strength and deformability of an interlocked blocky rock mass using UDEC [J] . Y.M.Alshkane, A.M.Marshall, L.R.Stace 岩石力学与岩土工程学报（英文版） . 2017,第003期

机译：UDEC预测互锁块状岩石岩体的强度和可变形性
2. Integration of three dimensional discontinuous deformation analysis (DDA) with binocular photogrammetry for stability analysis of tunnels in blocky rockmass [J] . Zhu Hehua, Wu Wei, Chen Jianqin, Tunnelling and underground space technology . 2016,第JANa期

机译：三维不连续变形分析（DDA）与双目摄影测量法的集成，用于块状岩体中隧道的稳定性分析
3. Application of 3D-DDA integrated with unmanned aerial vehicle-laser scanner (UAV-LS) photogrammetry for stability analysis of a blocky rock mass slope [J] . Liu Chi, Liu Xiaoli, Peng Xiaochu, Landslides . 2019,第9期

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4. Discrete Element Analysis of an Underground Opening in Blocky Rock: An Investigation of the Differences Between UDEC and DDA Results [C] . Mary M. MacLaughlin, Kathryn K. Clapp, Geotechnical Special Publication No.117 International conference on discrete element methods . 2002

机译：块状岩石地下开口的离散元素分析：乌德德与DDA结果差异的调查
5. Stability around underground openings in rock with dilative, non-persistent and multi-scale wavy joints using a discrete element method. [D] . Lee, Seungwon. 2003

机译：具有离散，非持久和多尺度波浪节的岩石地下开口周围的稳定性，采用离散元方法。
6. Investigation of the influence mechanism of rock damage on rock fragmentation and cutting performance by the discrete element method [O] . Si-fei Liu, Shuai-feng Lu, Zhi-jun Wan, 2019

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7. An Energy-Based Discrete Element Modeling Method Coupled with Time-Series Analysis for Investigating Deformations and Failures of Jointed Rock Slopes [O] . Xiaona Zhang, Gang Mei, Ning Xi, 2021

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8. UDEC - A Generalised Distinct Element Program for Modelling Jointed Rock [R] . Cundall, P. A. 1980

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Discrete Element Analysis of an Underground Opening in Blocky Rock: An Investigation of the Differences Between UDEC and DDA Results

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