1-20 of 22
Keywords: deformability
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7731
... Abstract This paper deals with the scale effects on deformability of rock mass in Himalayas by conducting in-situ tests with different methods. The deformability tests conducted by using plate jacking test, plate loading test, Goodman jack test and laboratory test show the comparison among...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7286
... dependence porous sandstone Haimson Magnitude true triaxial strength reservoir geomechanics variation true triaxial test Coconino deformability ARMA 14-7286 True triaxial tests in two porous sandstones: experimental failure characteristics and theoretical prediction Ma, X. Geological Engineering...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-203
... ABSTRACT: The paper describes determination of the deformation moduli of carbonate rocks in Croatian karst in order to predict deformation of geotechnical structures in a more reliable manner. Intensive measurements taken during geotechnical works conducted in carbonate rocks in Croatian karst...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-115
... ABSTRACT: This paper deals with the comparison of modulus of deformation of rock mass between direct and indirect methods. The modulus of deformation in direct method was determined in-situ by using plate jacking test with borehole deformation measurement and it was evaluated by rock mass...
Proceedings Papers

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-10-411
... of the use of the Hoek-Brown failure criterion for estimating global rock mass strength, the Barton empirical equation for discontinuity shear strength and the empirical estimation of rock mass deformability. Analytical methods include both limit equilibrium and finite element methods and use of Strength...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-054
... experimentally by different researchers. They proposed models that can deal with the strength, deformability, or dilatancy of rock fractures. These models include several parameters and they are much more complicated than Barton’s model. Experimental data found in the literature are used in this paper...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1036
...1. INTRODUCTION According to the principles of NATM (New Austrian Tunnelling Method), the rock support is adjusted to the time-dependent deformations of the rock mass. When tunnelling through poor ground under high primary stresses, in many cases excavation leads to a considerable deformation...
Proceedings Papers

Paper presented at the Golden Rocks 2006, The 41st U.S. Symposium on Rock Mechanics (USRMS), June 17–21, 2006
Paper Number: ARMA-06-1169
... ARMA/USRMS 06-1169 A review of empirical methods for assessing rock mass deformability Richards, L. Rock Engineering Consultant, Canterbury, New Zealand. email: [email protected] Read, S. A. L. GNS Science, Lower Hutt, New Zealand. email: [email protected] Copyright 2006, ARMA, American...
Proceedings Papers

Paper presented at the The 35th U.S. Symposium on Rock Mechanics (USRMS), June 5–7, 1995
Paper Number: ARMA-95-0689
... ABSTRACT: Goodman Jack test data obtained in a closely jointed rock mass have been analyzed statistically. The analyses indicate that the method can provide a pragmatic means of obtaining a probability distribution of rock mass deformation properties. The field test data show an extremal...
Proceedings Papers

Paper presented at the The 34th U.S. Symposium on Rock Mechanics (USRMS), June 28–30, 1993
Paper Number: ARMA-93-0680
... mechanical properties. At present, satisfactory procedures are not available in the rock mechanics literature to estimate anisotropic, scale dependent deformability properties of jointed rock. The study described in this paper was aimed at making a contribution in this direction. NUMERICAL PROCEDURE...
Proceedings Papers

Paper presented at the The 32nd U.S. Symposium on Rock Mechanics (USRMS), July 10–12, 1991
Paper Number: ARMA-91-303
... Geological Survey, Denver, Colo. ABSTRACT: The variation of the modulus of deformation measured along the walls of a hole drilled in an anisotropic rock mass during expansion tests can be used to determine the rock mass deformability properties. A method is presented in this paper for the determination...
Proceedings Papers

Paper presented at the The 29th U.S. Symposium on Rock Mechanics (USRMS), June 13–15, 1988
Paper Number: ARMA-88-0085
... parameters that limit their practical applications. In this paper, test results from an experimental program conducted on Indiana limestone are analyzed and are used to calibrate an octahedral formulation describing the deformability of intact rock under multiaxial loading conditions. The formulation...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0107
... Upstream Oil & Gas cleat joint metals & mining displacement holographic interferometry Reservoir Characterization axial stress radial displacement Artificial Intelligence coal sandstone specimen stiffness mechanics cleat direction limestone deformability Poisson...
Proceedings Papers

Paper presented at the The 24th U.S. Symposium on Rock Mechanics (USRMS), June 20–23, 1983
Paper Number: ARMA-83-0335
..., there is legitimate doubt as to whether laboratory derived material properties accurately characterize the in situ behavior of the rock mass in question. Thus, field tests have been established to measure rock mass deformability in situ. This paper presents a relatively new technique, known as the corejacking test...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-778
...Chapter 79 EXTERNAL DISPLACEMENT METHOD FOR DETERMINING THE IN-SITU DEFORMABILITY OF ROCK MASSES Rodolfo V. de la Cruz University of Wisconsin-Madison Madison, Wisconsin ABSTRACT The in situ deformability of rock masses is determined by relating the applied load to the radial displacements...
Proceedings Papers

Paper presented at the The 23rd U.S Symposium on Rock Mechanics (USRMS), August 25–27, 1982
Paper Number: ARMA-82-739
... centimeters to many tens of meters. Strength and deformability vary both qualitatively and quantitatively as a result of this size range. A key issue is therefore the appropriate size of the test sample. A large body of test data was reviewed to determine the influence of block size on the displacement...
Proceedings Papers

Paper presented at the 19th U.S. Symposium on Rock Mechanics (USRMS), May 1–3, 1978
Paper Number: ARMA-78-0621
... ABSTRACT An extensive program of in-situ testing which featured no less than ten different types of in-situ tests has just been completed on a major hydro-electric project. The program involved two techniques for rock stress measurements and eight for rock mass deformability. This unusually...
Proceedings Papers

Paper presented at the The 14th U.S. Symposium on Rock Mechanics (USRMS), June 11–14, 1972
Paper Number: ARMA-72-0441
...ON MODELLING TECHNIQUES FOR THE STUDY OF TUNNELS IN JOINTED ROCK ñ by Richard E. Goodman , Francois E. Heuz * , and Gilles J. Bureau INTRODUCTION Since the modes of rock deformation in tunnels are governed by the interplay of numerous ill-defined variables, rock support requirements cannot...
Proceedings Papers

Paper presented at the The 11th U.S. Symposium on Rock Mechanics (USRMS), June 16–19, 1969
Paper Number: ARMA-69-0069
... are deemed satisfactory for the construction of major structures. Ultimately, the geotechnical engineer or the engineering geologist has to express the effect of geologic factors in quantitative ,even if approximate, terms and provide numerical data on strength and deformability of rock systems...

Product(s) added to cart

Close Modal