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Keywords: Preece
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Proceedings Papers

Paper presented at the The 33rd U.S. Symposium on Rock Mechanics (USRMS), June 3–5, 1992
Paper Number: ARMA-92-0295
... greatly to an understanding of the physics involved in the blasting process and can also contribute to the blast design. This paper will describe the latest enhancements to the blast modeling code DMC (Distinct Motion Code) [Taylor and Preece, 1989] and will demonstrate the ability of DMC to model gas...
Proceedings Papers

Paper presented at the The 31st U.S. Symposium on Rock Mechanics (USRMS), June 18–20, 1990
Paper Number: ARMA-90-0873
... ABSTRACT INTRODUCTION The computer code DMC ( Distinct Motion C_ode ) has been developed for modeling rock motion associated with rock blasting (Taylor and Preece 1989a&b). DMC was written to be computationally efficient by employing spherical elements and by vectorizing all of the code...
Proceedings Papers

Paper presented at the The 29th U.S. Symposium on Rock Mechanics (USRMS), June 13–15, 1988
Paper Number: ARMA-88-0343
... the oil storage area (Preece and Krieg 1984). However, due to the three-dimensional nature of the room and pillar mine and the lack of a three-dimensional computational creep capability, volume loss calculations using finite element methods were not performed until now. In this study the total mine volume...
Proceedings Papers

Paper presented at the The 26th U.S. Symposium on Rock Mechanics (USRMS), June 26–28, 1985
Paper Number: ARMA-85-0507-1
... assumptions to reduce the three-dimensional cavern geometries to two dimensions (Preece and Foley, 1984). Centrifuge testing has been employed to qualify the finite element program on a well-controlled laboratory experiment which bears resemblance to an oil-filled cavern in rock salt. Centrifuge testing...

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