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Keywords: Health & Medicine
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Proceedings Papers
Methodology for Determination of Orthotropic Strength Parameters and Principal Directions from Laboratory Testing
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0518
...) and theoretical work by Pariseau (1972) where an orthotropic rock strength yield surface was given with the following equations in terms of nine rock property constants ( H , F , G , U , V , W , L , M , N ). united states government reservoir characterization shear stress geologist health...
Proceedings Papers
Developing a Velocity Model for an Underground Coal Mine Using a Compressed Load Column Seismic Source
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0284
... strata near the coal seam, inadequately designed pillars, multi-seam interactions, and a variety of other mining and geological factors (Mark and Guana, 2016). sedimentary rock geologist upstream oil & gas coal mining organic-rich rock united states government health & medicine...
Proceedings Papers
Strength of Utah Coal Evaluated Using Laboratory Tests with an Unloading Path
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0234
... test rock mechanic utah coal evaluated larson health & medicine specimen colorado school mining science united states kim confinement path walton ARMA 22 0234 Strength of Utah Coal Evaluated Using Laboratory Tests with an Unloading Path Walton, G. Colorado School of Mines, Golden...
Proceedings Papers
Laboratory Test on Direct Shear Behavior of Rock Joints Using a Bar Drop Impact System
Available to PurchaseG. G. Kim, C. H. Shin, P. R. Jeon, S. G. Lee, H. R. Kim, G. J. Min, S. H. Cho, J. S. Yang, K. J. Yun
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-2318
..., it has been pointed out that the joint surface of the specimen is damaged due to an increase in shear load due to the normal load, resulting in a lower shear strength than the direct shear test (Zhao and Zhou, 1992). health & medicine roughness displacement upstream oil & gas reservoir...
Proceedings Papers
Numerical Assessment of the Anisotropic Strengths of a Utah Coal Considering the Spatial Characteristics of Discontinuities Using Discrete Fracture Networks
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0016
... but were implicitly considered by assigning the equivalent material properties for the bedding planes in the model. reservoir characterization us government metals & mining hydraulic fracturing health & medicine coal seam gas persistence simulation spatial characteristic upstream...
Proceedings Papers
Stability Analysis of Coal Rib With Rock Parting Based on the Strength Reduction of the Coal Mass Model
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1120
.... metals & mining upstream oil & gas reservoir characterization wellbore design health & medicine in-seam rock parting scale effect peak strength international journal simulation rock-18 shale rock specimen coal rib reservoir geomechanics strength rock-38 mpa mohamed parting...
Proceedings Papers
The Influence of Heterogeneity of Block Contact Input Parameters on Model Behavior for Bonded Block Models of Laboratory Rock Specimens
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1250
... modeling scenarios like excavations, roof stability, underground pillar design, and other scenarios that cannot be tested in a laboratory. health & medicine peak friction angle confinement mpa reservoir characterization bbm input parameter macroscopic behavior upstream oil & gas...
Proceedings Papers
Review of Historic Records in the Design of Kensico-Eastview Connection Tunnel
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1765
... management New York City historical information water management immunology Catskill catskill aqueduct Health & Medicine kec project ground investigation investigation water inflow aqueduct kensico-eastview connection tunnel tunnel boring program reservoir New York historical data...
Proceedings Papers
Preliminary Development of Discontinuous Artificial Rock Joints
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-045
... Symposium Health & Medicine artificial jointed rock mass artificial joint material hirschfeld Upstream Oil & Gas feasibility mechanism rock material jointed rock mass compression Plaster Reservoir Characterization Nelson Simulation rock joint rock mass failure mechanism mechanics...
Proceedings Papers
Analysis of Crack Propagation in Shale Using Microscopic Imaging Techniques
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-461
.... Finally, we concluded that microscopy is an effective technique for micromechanical analysis of rocks. Reservoir Characterization Health & Medicine constant stress state specimen boundary crack propagation US government grain level Upstream Oil & Gas creep test reservoir...
Proceedings Papers
Seismic Data Interpretation of a Development Pillar at a Steeply Dipping Underground Limestone Mine
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-194
... Upstream Oil & Gas seismic data interpretation metals & mining biaxial stressmeter development pillar Health & Medicine accelerometer october 19 loading stress change Magnitude sensor pillar national institute december 12 microseismic activity esg solutions seismicity uniaxial...
Proceedings Papers
Visual Detection and Model Reconstruction for Underwater Topography and Rock Mass Surface by Using B-Mode Ultrasonic Imaging Device
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0462
... and model reconstruction for underwater topography and rock mass surface. 1. INTRODUCTION diagnostic medicine Upstream Oil & Gas muddy water Reservoir Characterization topographic line topographic surface real time system Health & Medicine Imaging visual detection mass surface...
Proceedings Papers
Critical State Modeling of Sedimentary Rock Incorporating Healing and Decay of Rock Structure
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-115
... time-dependent healing of the fault and its effect on the dilatancy behavior. structural geology modeling axial strain recovery Reservoir Characterization Rock Structure Simulation rock friction MPa constitutive model Health & Medicine strength decay Dieterich Geophy Upstream...
Proceedings Papers
Prediction of Tunnelling-induced Settlement Using Gene Expression Programming
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-090
... settlement equation prediction artificial intelligence genetic programming gene expression programming undergr neural network expression programming settlement selection excavation health & medicine expression tree fuzzy logic gep intelligent method algorithm suwansawat gep method...
Proceedings Papers
Contribution of Shear Slip in a Widespread Compressive Pillar Failure
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-254
... a pillar retreat mine fails unstably, and although the modeling procedures are identical in each simulation, the application of different coal/rock interface parameters results in a different progression and magnitude of failure. metals & mining health & medicine widespread compressive...
Proceedings Papers
Numerical Study on Nature Frequency Identification of Tunnel Lining Based on Microtremor Method
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-380
... of tunnel lining were also carried out to verify the numerical results. Reservoir Characterization field test concrete type consumer health frequency identification Health & Medicine power spectrum microtremor rock mass interface Upstream Oil & Gas numerical simulation tunnel...
Proceedings Papers
Research on the Detection Method of Bored Pile Bottom Sediment Thickness
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-156
... and environmental requirement were analyzed by field test. The result showed that this method can complete accurate measurement of sediment thickness with only 0.01~0.09cm error and little effect on test environment. Health & Medicine natural soil strata Reservoir Characterization Engineering...
Proceedings Papers
Comparisons of 2D Imaging Techniques For Internal Macropore Characterization
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-376
... volumes. The cone shaped macropores were really not true cones but were truncated cones; the top ends of the cones did not come to a point but were cut-off so they had a flat top. Upstream Oil & Gas x-ray imaging Styrofoam inclusion Health & Medicine macropore CSAT imaging horizontal...
Proceedings Papers
Subsurface migration of toxic fumes from surface construction blasting
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0381
... excavations that have poor air circulation will be most susceptible to build up of toxic fumes. Health & Medicine US government Upstream Oil & Gas air emission Niosh lateral migration groundwater level concentration manhole groundwater blast area migration gas Bubble subsurface...
Proceedings Papers
Application of DDA to block-in-matrix materials
Available to PurchasePublisher: American Rock Mechanics Association
Paper presented at the The 35th U.S. Symposium on Rock Mechanics (USRMS), June 5–7, 1995
Paper Number: ARMA-95-0033
... (1990) was selected for this study, because of its rigorous mathematical soundness, strict equilibrium satisfaction and robust contact scheme. The current code of DDA is limited to two-dimensional problems yet. Health & Medicine reservoir simulation deformability contrast orientation...
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