Rock Anisotropy And The Theory Of Stress Measurements PDF Download
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Author | : Bernard Amadei |
Publisher | : Springer Science & Business Media |
Total Pages | : 498 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 3642820409 |
Download Rock Anisotropy and the Theory of Stress Measurements Book in PDF, ePub and Kindle
Any undisturbed rock mass is subject to natural stresses inclu ding gravitational stresses due to the mass of the overburden and possibly tectonic stresses due to the straining of the earth's crust and remanent stresses due to past tectonism. Knowledge of the in situ stress field must be integrated into any rock engineering design along with general rock mass characteristics such as de for mability, strength, permeability and time dependent behavior. For example, the choice of optimum orientation and shape of deep underground caverns or complex underground works will be controlled by the orientation and the magnitude of the in situ stress @ield if it is necessary to minimize stress concentration problems. Long term variation of the in situ stress field may also help to evaluate the potential hazard of earthquake occurences. The magnitude and orientation of the stress field ata point within a rock mass can be measured but there is no known method by which the state of stress at a point can be accurately determined by instruments located remotely. In general, measurements are made inside boreholes, on outcrops or on the internal surfaces of under ground cavities. Most of the measuring techniques intentionally disturb the state of stress in the rock and then measure consequent strains and displacements. Measured strains or displacements are then related to the stresses through assumptions of material behavior. A common procedure is to assume that the rock mass is linearly elastic, isotropic, continuous and homogeneous.
Author | : B. Amadei |
Publisher | : Springer Science & Business Media |
Total Pages | : 524 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401153469 |
Download Rock Stress and Its Measurement Book in PDF, ePub and Kindle
Rock masses are initially stressed in their current in situ state of stress and to a lesser natural state. Whether one is interested in the extent on the monitoring of stress change. formation of geological structures (folds, faults, The subject of paleostresses is only briefly intrusions, etc. ), the stability of artificial struc discussed. tures (tunnels, caverns, mines, surface excava The last 30 years have seen a major advance our knowledge and understanding of rock tions, etc. ), or the stability of boreholes, a in the in situ or virgin stress field, stress. A large body of data is now available on knowledge of along with other rock mass properties, is the state of stress in the near surface of the needed in order to predict the response of rock Earth's crust (upper 3-4km of the crust). masses to the disturbance associated with those Various theories have been proposed regarding structures. Stress in rock is usually described the origin of in situ stresses and how gravity, within the context of continuum mechanics. It is tectonics, erosion, lateral straining, rock fabric, defined at a point and is represented by a glaciation and deglaciation, topography, curva second-order Cartesian tensor with six compo ture of the Earth and other active geological nents. Because of its definition, rock stress is an features and processes contribute to the current enigmatic and fictitious quantity creating chal in situ stress field.
Author | : Verne E. Hooker |
Publisher | : |
Total Pages | : 38 |
Release | : 1969 |
Genre | : Rock mechanics |
ISBN | : |
Download Near-surface Horizontal Stresses Including the Effects of Rock Anisotropy Book in PDF, ePub and Kindle
Author | : Bernard Amadei |
Publisher | : |
Total Pages | : 0 |
Release | : 1982 |
Genre | : |
ISBN | : |
Download The Influence of Rock Anisotropy on Measurement of Stresses in Situ Book in PDF, ePub and Kindle
Author | : Ming Lu |
Publisher | : CRC Press |
Total Pages | : 578 |
Release | : 2006 |
Genre | : Science |
ISBN | : |
Download In-situ Rock Stress Book in PDF, ePub and Kindle
Understanding in-situ rock stress is important in the exploration and engineering involving rock masses for mining, hydropower, tunneling, oil and gas production, and stone quarrying. Traditional methods of determining these stresses have not developed substantially to keep pace with the increasing utilization of rock masses. Contributed by a group of leading experts, this book addresses new developments in numerical modeling and advanced measuring techniques. The papers in In-Situ Rock Stress: Measurement, Interpretation and Application reflect the development in this field, covering measuring techniques, interpretation methods, and application of the in-situ stress in engineering practice.
Author | : J.F. Thimus |
Publisher | : CRC Press |
Total Pages | : 676 |
Release | : 2020-12-18 |
Genre | : Technology & Engineering |
ISBN | : 1000150917 |
Download Poromechanics Book in PDF, ePub and Kindle
This text features 105 papers dealing with the fundamentals and the applications of poromechanics from the Biot conference of 1998, held in Louvain-la-Neuve. Topics include: wave propogation; numerical modelling; identification of poromechanical parameters; and constitutive modelling.
Author | : Robert M. Becker |
Publisher | : |
Total Pages | : 32 |
Release | : 1967 |
Genre | : Rock pressure |
ISBN | : |
Download Some Anisotropic Considerations in Rock Stress Determinations Book in PDF, ePub and Kindle
Author | : Furen Xie |
Publisher | : CRC Press |
Total Pages | : 891 |
Release | : 2010-07-29 |
Genre | : Technology & Engineering |
ISBN | : 0203836103 |
Download Rock Stress and Earthquakes Book in PDF, ePub and Kindle
The evaluation of in-situ rock stress is not only important in the exploration and engineering involving rock masses for mining, hydropower, tunneling, oil and gas production, and stone quarrying, but also in the geodynamics and earthquake prediction. The methods of determining these stresses for shallow crust in the engineering practice, including
Author | : J.A. Hudson |
Publisher | : Elsevier |
Total Pages | : 971 |
Release | : 2014-06-16 |
Genre | : Technology & Engineering |
ISBN | : 1483297977 |
Download Rock Testing and Site Characterization Book in PDF, ePub and Kindle
Rock Testing and Site Characterization
Author | : S. Norris |
Publisher | : Geological Society of London |
Total Pages | : 366 |
Release | : 2017-05-04 |
Genre | : Science |
ISBN | : 1786202735 |
Download Radioactive Waste Confinement Book in PDF, ePub and Kindle
It is internationally accepted that the safest and most sustainable option for managing radioactive waste is geological disposal, utilizing both engineering and geology to isolate the waste and contain the radioactivity. This Special Publication contains 25 scientific studies presented at the 6th conference on ‘Clays in natural and engineered barriers for radioactive waste confinement’ held in Brussels, Belgium in 2015. The conference and this resulting volume cover many of the aspects of clay characterization and behaviour considered at various temporal and spatial scales relevant to the confinement of radionuclides in clay, from basic phenomenological process descriptions to the global understanding of performance and safety at repository and geological scales. The papers in this volume consider research into argillaceous media under the following topic areas: large-scale geological characterization; general strategy for clay-based disposal systems; geomechanics; mass transfer; bentonite evolution and gas transfer. The collection of different topics presented in this Special Publication demonstrates the diversity of geological repository research.