Search Results - "Kemeny, John"

Automatic extraction of blocks from 3D point clouds of fractured rock by Chen, Na, Kemeny, John, Jiang, Qinghui, Pan, Zhiwen

“…This paper presents a new method for extracting blocks and calculating block size automatically from rock surface 3D point clouds. Block size is an important…”
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Subcritical crack growth in rocks under shear loading by Ko, Tae Young, Kemeny, John

“…In this study, the subcritical crack growth parameters for Coconino sandstone under modes II and III loading were determined experimentally by using the…”
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Damage evolution of rock-encased-backfill structure under stepwise cyclic triaxial loading by Xin Yu, Yuye Tan, Weidong Song, John Kemeny, Shengwen Qi, Bowen Zheng, Songfeng Guo

“…Rock-encased-backfill (RB) structures are common in underground mining, for example in the cut-and-fill and stoping methods. To understand the effects of…”
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Determination of the subcritical crack growth parameters in rocks using the constant stress-rate test by Ko, Tae Young, Kemeny, John

“…Subcritical crack growth plays an important role in evaluating the long-term stability of structures in rocks. The characteristics of subcritical crack growth…”
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Analysis of the Hydraulic and Heat Transfer Evolution Mechanism of a Single Rock Fracture by Shu, Biao, Zeng, Fan, Kemeny, John, Zhu, Runjun, Chen, Keping, Tan, Jingqiang

“…Mineral dissolution and mechanical deformation of granite are two main mechanisms that affect permeability evolution of rock fracture. In this study, two water…”
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Change Detection and Feature Extraction of Debris-Flow Initiation by Rock-Slope Failure Using Point Cloud Processing by He, Xiaoying, Yu, Zeqing, Kemeny, John M., Youberg, Ann, Wang, Yunkun

“…Our understanding of debris-flow initiation by slope failure is restricted by the challenge of acquiring accurate geomorphic features of debris flows and the…”
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Fracture characteristics of rocks under shear loading by Kemeny, John, Ko, Tae Young, Jeon, Seokwon

“…Fracture problems in rock structures quite commonly involve shear loadings including in-plane shearing (mode II) or out-of-plane shearing (mode III). Even…”
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Mechanical properties and fracturing of rock-backfill composite specimens under triaxial compression by Yu, Xin, Kemeny, John, Tan, Yuye, Song, Weidong, Huang, Kun

“…•Triaxial loadings have been conducted in the rock-backfill interface behavior.•Fracturing is monitored by traditional methods and modern CT scan…”
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Energy dissipation and 3d fracturing of Backfill-encased-rock under triaxial compression by Yu, Xin, Song, Weidong, Tan, Yuye, Kemeny, John, Wang, Jie

“…•A comprehensive set of triaxial compression tests have been conducted on cylindrical Backfill-encased-rock specimen to understand the complex coupling and…”
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Experimental and numerical investigation of the punch-through shear test for mode II fracture toughness determination in rock by Wu, Haoyan, Kemeny, John, Wu, Shunchuan

“…•Three dimensional PFC was used to simulate the process of punch-through shear test.•9 confining pressures ranging from 0.1 to 80MPa were tested in numerical…”
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Effect of Rapid Thermal Cooling on Mechanical Rock Properties by Kim, Kwangmin, Kemeny, John, Nickerson, Mark

“…Laboratory tests have been conducted to investigate the effects of rapid thermal cooling on various rock specimens including igneous, sedimentary, and…”
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3D Observations of Fracturing in Rock-Backfill Composite Specimens Under Triaxial Loading by Yu, Xin, Kemeny, John, Li, Jialuo, Song, Weidong, Tan, Yuye

“…The method of backfill in underground mining is important for ground control as well as material recycling and energy efficiency. Even though extensive testing…”
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Finding the right place in Mohr circle space: Geologic evidence and implications for applying a non-linear failure criterion to fractured rock by Reeher, Lauren J., Hughes, Amanda N., Davis, George H., Kemeny, John M., Ferrill, David A.

“…The ability to relate patterns of brittle rock failure to stress conditions permits geologists to better understand the nature of rock deformation in natural…”
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Damage index correlation in massive granite-porous backfills under hydromechanical triaxial cyclic loading using acoustic emissions and X-ray computed tomography by Yu, Xin, Tan, Yuye, Qi, Shengwen, Song, Weidong, Kemeny, John, Zheng, Bowen, Guo, Songfeng

“…The characterization accuracy of damage indices in massive and porous composite biomaterials under complex osmotic conditions has long been a challenge in…”
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Joint spacing distributions from oriented core data by Annavarapu, Srikant, Kemeny, John, Dessureault, Sean

“…Oriented core drilling data from the East Ertsberg Skarn System (EESS) area of PT Freeport Indonesia were analyzed to help identify the nature of the joint…”
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Three-dimensional discrete element method simulation of core disking by Wu, Shunchuan, Wu, Haoyan, Kemeny, John

“…The phenomenon of core disking is commonly seen in deep drilling of highly stressed regions in the Earth’s crust. Given its close relationship with the in situ…”
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Estimating three-dimensional rock discontinuity orientation from digital images of fracture traces by Kemeny, John, Post, Randy

“…This paper describes a computer approach that has been developed for estimating three-dimensional fracture orientations from two-dimensional fracture trace…”
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Introduction to finite mathematics: [by] John G. Kemeny, J. Laurie Snell [and] Gerald L. Thompson by Kemeny, John G

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The time-dependent reduction of sliding cohesion due to rock bridges along discontinuities: A fracture mechanics approach by KEMENY, J

“…In this paper, a fracture mechanics model is developed to illustrate the importance of time-dependence for brittle fractured rock. In particular a model is…”
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Method for Automated Discontinuity Analysis of Rock Slopes with Three-Dimensional Laser Scanning by Slob, Siefko, van Knapen, Bart, Hack, Robert, Turner, Keith, Kemeny, John

“…Three-dimensional (3D) laser scanning data can be used to characterize discontinuous rock masses in an unbiased, rapid, and accurate manner. With 3D laser…”
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