Generating a blocky rock mass
WebJan 9, 2006 · The fracture of a rock mass is an important stage in the development of catastrophes in a block system. In this paper, the characteristics of P-wave propagation in block rock mass containing … WebJan 1, 2012 · Traditional rock support design methods of rock slopes and tunnels are reviewed. Towards a more rational support design, not only the effects of blocks inside …
Generating a blocky rock mass
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WebThis paper describes an algorithm to generate the realistic numerical representation of three-dimensional rock masses. The discontinuities can be treated as infinite or finite planes with or without thickness. A finite plane is represented by a polygon and defined using centroid of the polygon, orientation, geometry in 2D plane, the angle between strike line … WebSep 9, 2024 · Blocky Rock Mass and DFN. In the excavation of jointed rock masses at relatively shallow depth, the most common types of failure are those involving wedges falling from the roof or sliding out of the sidewalls of the openings. ... The main task of the Dagangshan hydropower station is to generate electricity, and its control area is 62 727 …
WebNov 8, 2024 · The group is dominated by large faults and joints [25, 26] thereby creating a discrete and blocky rock mass especially in Thulamela [28 –30 ... As a result, the rock mass may disintegrate and generate blocks and unstable ground conditions. The observations and ASTER-based analysis finally support the fact that geological features … WebAll aspects of rock mass and discontinuity behaviour could then be incorporated and work is being undertaken to utilise just such a synthetic rock mass for the analysis of large volumes of rock mass (Pierce et al., 2007; Cundall et al., 1996). This paper concentrates on the use of polyhedral rock mass representations for the study of blocky rock
WebJun 1, 2010 · Identification of the polyhedra or rock blocks present in a rock mass structure model is an important tool in the application of block theory and numerical studies of rock mass stability [1].Of necessity, the modelling of the rock mass fabric using computational techniques is always subject to some degree of idealisation and simplification. WebJul 1, 2024 · Using a point cloud model (PCM) of rock exposures generated from remote sensing techniques, we developed a consistent and comprehensive method for rock block characterization that is composed …
WebJan 1, 2024 · A well-known approach to obtain the block size of a fragmented rock mass was introduced by Cai et al. (2004). The formula (Eq. ... in order to estimate the rock mass modulus and generate values for the GSI. The DFN is based on the manual mapping of joint network by fitting planes in the point cloud. Since a jointed rock mass consists of ...
WebTo try and constrain the rock mass quality levels at which rockbursts can be expected, we generate four block system meshes with DDA that represent rock mass qualities between “Good” and “Very Good” according to Bieniawski (1973), as shown in Table 7.3.1 and demonstrated in Fig. 7.3.4A–D. suburbs near dallas texasWebMay 1, 2024 · For a blocky rock mass, both Pu and Vu decay with the epicentral distance, in general following an inverse power law trend. ... Procedures of geometrical model … suburbs near houstonWebSep 1, 2024 · 1. Introduction. Generating a realistic three dimensional model of a fractured rock mass is the first step in many analyses. Discrete block based methods such as … suburbs near houston txWebTo try and constrain the rock mass quality levels at which rockbursts can be expected, we generate four block system meshes with DDA that represent rock mass qualities … suburbs near maroochydore queenslandWebJul 1, 2024 · Once ready, the Generator object generates the rock block system based on the previously created DFN object by means of its “generate_RockMass” method. Once … suburbs near jersey cityWebMar 5, 2024 · A parametric study was carried out to identify the joint parameters to ensure that the UDEC model can generate the same response as that from the laboratory tests by Arzúa et ... Alshkane YM, Marshall AM, Stace LR (2024) Prediction of strength and deformability of an interlocked blocky rock mass using UDEC. J Rock Mech Geotech … painted pontoon tubesWebMay 8, 2024 · Generating a realistic representation of a fractured rock mass is a first step in many different analyses. Field observations need to be translated into a 3-D model … suburbs near houston texas