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1-20 of 22
Keywords: deformation
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Proceedings Papers
Numerical Analysis of Lining Structure Deformation of Long Tunnel Passing Through Fracture Zone Under Non-Uniform Excitation
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-111
... ABSTRACT: The seismic response of the lining structure of a tunnel, especially in the area of the crossing fracture zone, is the focus of current research for tunnel design. In order to investigate the lining structure deformation characteristics of a long tunnel passing through the fracture...
Proceedings Papers
Three-Dimensional Monitoring of Slope Deformation Using Digital Photogrammetry
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-151
... deformation three-dimensional monitoring measurement system Rock Dynamics: Progress and Prospect Li et al. (eds) © 2023 The Author(s), ISBN 978-1-032-41664-9 Three-dimensional monitoring of slope deformation using digital photogrammetry A a Boney* & Satoshi Nishiyama Graduate School of Environmental...
Proceedings Papers
Research on Multi-Dimensional Monitoring of "Point, Line, Plane, Body" in Hydropower Engineering
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-137
... the deformation problem of the main structure of hydropower engineering such as tunnel and dam become increasingly prominent, so it is particularly important to monitor the deformation of hydraulic structures. This paper studies various safety monitoring methods currently used in hydropower projects...
Proceedings Papers
The Estimation of Ground Motions Through Erratic Pattern Screening (EPS) Method and Some Empirical Approaches
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-107
... engineering structures are discussed. plate tectonics ground motion arrival time difference displacement earthquake geologist maximum ground acceleration consideration reservoir characterization erratic pattern screening ground deformation structural geology deformation relation aydan...
Proceedings Papers
Application of Three-Dimensional Laser Point Cloud Technology to River Management
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-119
... underwater. We examined the effect of river transparency on riverbed understanding, accuracy verification on land, and to develop a method to extract deformations using laser data at two periods. Therefore, the depth at which the drone equipped with the green laser scanner can be measured depends...
Proceedings Papers
Impact of Slope Stability Radar (SSR) Position on Early Warning Detection for Hazardous Geotechnical Event, Study Case: Bench-Scale Failure
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-008
..., blasting activity, excavation etc. are several common factors that could affect instability of wall and in the end unexpected failure events may occur. slope stability radar ssrxt-a hazardous geotechnical event deformation magnitude deformation wall failure wall movement ssr ssrxt-b failure...
Proceedings Papers
Physics, Motions and Prediction of Earthquakes from Rock Mechanics Perspective
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-001
... ABSTRACT: Earthquakes are known to be one of the natural disasters resulting in the huge losses of human lives as well as of properties as experienced in the recent great earthquakes. Ground motion characteristics, deformation and surface breaks of earthquakes depend upon the causative faults...
Proceedings Papers
Effect of the Loading Frequency on Mechanical Behaviour of Sandstones Under Cyclic Loading
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Paper presented at the ISRM 4th International Conference on Rock Dynamics, August 17–19, 2022
Paper Number: ISRM-ROCDYN-2022-048
... ABSTRACT: The research was performed to assess the effects of loading frequency on mechanical characteristics of the Khao Ya Puk Formation sandstone in the northern part of Thailand. The aims of this research are to assess fatigue behaviour and compare stress-strain deformation in rocks...
Proceedings Papers
Relationships between interface stress element method and applied element method
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-39
... element method accuracy rigid element AEM Artificial Intelligence stiffness matrix Interface stress Element Method spring pair example 1 china earthquake administration ISEM example 2 matrix local stiffness matrix model composition deformation stiffness matrixe ABSTRACT...
Proceedings Papers
Numerical modeling of fracture behaviour of sandy mudstone under impact loading
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-53
... burst prevention. Reservoir Characterization strength experiment soft rock compression Engineering stress wave dynamic loading constitutive model structural geology rock element transmission bar loading strain rate deformation rock sample element mechanics Upstream Oil & Gas...
Proceedings Papers
Experimental research on rockburst tendency and acoustic emission characteristics of coal under different gas pressures
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-29
... ABSTRACT: The specimens under the conditions of uniaxial compression, different gas-pressure conditions (0.0, 0.5, 1.0, and 1.5 MPa), sample strengths, deformation, energy, count of acoustic-emission signals, and laws influenced by gas pressure were investigated by self-developed equipment...
Proceedings Papers
Strain localization in rocks under uniaxial compression and direct tension
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-19
... uniaxial tension of sylvinite and uniaxial compression of granite. Tensile experiment showed the existence of equidistant zones of strain localization and deformation activation of one of zones at the stage of macrofracture initiation. For uniaxial compression tests of granite, it has been found...
Proceedings Papers
Dynamic behavior of NPR bolt and its application to rock burst control
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-03
... ABSTRACT: This paper presents an innovative bolt which has the Negative Poisson's Ratio effect (NPR bolt). The NPR bolt can absorb energy and sustain high constant resistance and large deformation. The working principle of this new type of bolt is introduced and a series of dynamic laboratory...
Proceedings Papers
Dynamics of impact cratering
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-04
... ABSTRACT: Impact cratering is a fundamental geological process in the solar system. The formation of impact craters is a highly dynamic and complex process that subjects the impacted target rocks to numerous types of deformation. The impact process can be subdivided into three subsequent...
Proceedings Papers
Seismic monitoring of nuclear power plants in Russia
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-63
... deformation Reservoir Characterization thick sediment seismic monitoring small-aperture array measurement recurrence relationship Magnitude Rock Dynamics: From Research to Engineering Li et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-02953-8 451 Seismic monitoring of nuclear...
Proceedings Papers
Multi-scale characteristics of rockburst under the multi-level stress control
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-74
... ABSTRACT: As a kind of dynamic damage in coal mine, rockburst is the result of deformation and failure under different scale stress. Under the action of tectonic stress, in-situ stress and mining stress, both of the macro occurrence form of coal-rock mass and its surface and internal...
Proceedings Papers
Numerical simulation of blasting excavation in reconstruction and expansion tunnel
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-66
..., the safety and stability of existing tunnel reconstruction is one of the leading research topics in geotechnical engineering. rock fragmentation numerical simulation numerical calculation method vibration reservoir simulation expansion tunnel collapse cavity reconstruction deformation...
Proceedings Papers
Modelling of deep mining induced seismicity for hazard estimation
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-01
... is more difficult as high rates of deformation and dynamic loading are still comparatively infrequent events and the simulation of support and reinforcement for dynamic loading is more com- plex. Empirical methods of estimating excavation capacity for dynamic rock related hazards are also very poorly...
Proceedings Papers
Experimental study on dynamic response of rock masses with different joint matching coefficients
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-15
... of notches while the surface of the other one was flat and smooth. Each sample has the same depth but different width of notches. Based on the fundamental theory of SHPB test, the transmission coefficients, the deformation of rock specimens and the closure volume of joints were obtained. The experimental...
Proceedings Papers
A parameter-variable creep damage model considering the effects of loading frequency for rock salt and its engineering application in deep storage cavern
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Paper presented at the ISRM 2nd International Conference on Rock Dynamics, May 18–19, 2016
Paper Number: ISRM-ROCDYN-2016-37
... ABSTRACT: Laboratory tests were conducted to assess the effects of loading frequency on the time-dependent behaviour and damage properties of rock salt under confining stress states. An axial two-stage irreversible deformation complied from the loci of minimum load of each cycle was observed...
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