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Keywords: geologic material
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Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-813
... ABSTRACT: Logistic regressions are developed to assess the probability of spillway erosion as a function of hydraulic attack expressed as Stream Power and geologic material erosion resistance expressed as Erodibility Index. The formulations are developed based on spillway erosion case...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0953
... ABSTRACT ABSTRACT: This paper presents a theoretical analysis of the effect of shape and size on strength of geologic materials. The results indicate that the shape effect is caused by the development of confining pressure at the interfaces. The linearization of the obtained formula is of the...
Proceedings Papers

Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-0609
... developed for solids and then specialized for contacts (discontinuities).(mathematical equation) (available in full paper) laboratory test prediction somasundaram Upstream Oil & Gas tensor stress tensor Reservoir Characterization geologic material Desai asperity comprehensive series...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0473
... ABSTRACT ABSTRACT A technique has been developed that can produce a prescribed diametrical strain versus axial strain curve in a geologic material by subjecting the material to triaxial stress. The geologic materials that have been tested are polycrystalline salt and tuff. In the future...
Proceedings Papers

Paper presented at the The 14th U.S. Symposium on Rock Mechanics (USRMS), June 11–14, 1972
Paper Number: ARMA-72-0339
... underground gas storage reservoir refers to natural or man-made cavities, or porous inclusions below ground used for storing natural gas under pressure. reservoir geomechanics geologic material investigation storage reservoir Upstream Oil & Gas Rock mechanics tensile strain internal pressure...
Proceedings Papers

Paper presented at the The 12th U.S. Symposium on Rock Mechanics (USRMS), November 16–18, 1970
Paper Number: ARMA-70-0301
... ABSTRACT Recent studies of inelastic behavior and acoustic emission in geologic materials further validate the concept that such materials may be considered to consist of an elastic media containing an array of pores and cracks. In the present paper this concept is investigated further by...
Proceedings Papers

Paper presented at the The 11th U.S. Symposium on Rock Mechanics (USRMS), June 16–19, 1969
Paper Number: ARMA-69-0377
... ABSTRACT Since 1964, the Dept. of Mining at The Pennsylvania State University has been carrying out extensive studies associated with the phenomena of microseismic activity and inelastic behavior in geologic materials. Briefly, the program to date has involved the following stages: Study...
Proceedings Papers

Paper presented at the The 10th U.S. Symposium on Rock Mechanics (USRMS), May 20–22, 1968
Paper Number: ARMA-68-0035
... ABSTRACT Little data exists on the high strain rate behavior of geologic materials. Uniaxial stress tests by Kumar 1 and by Serdengecti and Boozer 2 present some results to strain rates in the range 10 to 10 3 per sec. The two references cited are the only ones the authors found for high...
Proceedings Papers

Paper presented at the The 3rd U.S. Symposium on Rock Mechanics (USRMS), April 20–22, 1959
Paper Number: ARMA-59-0176
... ABSTRACT ABSTRACT The time-dependent behavior of geologic materials under conditions of low and high uniaxial stress is considered to be important in the study of comminution and underground failure. Under low values of applied stress it is postulated that time-dependent deformation may be...
Proceedings Papers

Paper presented at the The 1st U.S. Symposium on Rock Mechanics (USRMS), April 23–25, 1956
Paper Number: ARMA-56-0129
... & Gas Washington lateral pressure pillar stope geologic material ore elastic limit fragmentation fundamental consideration dimension experiment Orebody draw point strength Colorado School slusher drift elevation haulageway mining FUNDAMENTAL CONSIDERATIONS IN BLOCK CAVING BY PHILIP...

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