Studies of Stress and Deformation in the Earth's Crust PDF Download

Author: John Wesley Gephart
Publisher:
ISBN:
Category : Calderas
Languages : en
Pages : 202

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Author: John Wesley Gephart
Publisher:
ISBN:
Category :
Languages : en
Pages : 101

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Author: Arno Zang
Publisher: Springer Science & Business Media
ISBN: 1402084447
Category : Science
Languages : en
Pages : 327

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Stress Field of the Earth’s Crust is based on lecture notes prepared for a course offered to graduate students in the Earth sciences and engineering at University of Potsdam. In my opinion, it will undoubtedly also become a standard reference book on the desk of most scientists working with rocks, such as geophysicists, structural geologists, rock mechanics experts, as well as geotechnical and petroleum en- neers. That is because this book is concerned with what is probably the most pe- liar characteristic of rock – its initial stress condition. Rock is always under a natural state of stress, primarily a result of the gravitational and tectonic forces to which it is subjected. Crustal stresses can vary regionally and locally and can reach in places considerable magnitudes, leading to natural or man-made mechanical failure. P- existing stress distinguishes rock from most other materials and is at the core of the discipline of “Rock Mechanics”, which has been developed over the last century. Knowledge of rock stress is fundamental to understanding faulting mechanisms and earthquake triggering, to designing stable underground caverns and prod- tive oil fields, and to improving mining methods and geothermal energy extraction, among others. Several books have been written on the subject, but none has atte- ted to be as all-encompassing as the one by Zang and Stephansson.

Author: M.B. Holness
Publisher: Springer Science & Business Media
ISBN: 9780412752902
Category : Science
Languages : en
Pages : 360

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30% discount for members of The Mineralogical Society of Britain and Ireland The movement of fluids through rocks has profound consequences for the transport of heat and matter within the Earth. Recently, considerable effort has been expended in determining the mechanisms and pathways of geological fluid flow, with much of this research concentrated on the effects of deformation on rock permeability. Although it is well known that fractures can act as conduits for fluid transport (as evidenced by abundant mineral-fined veins and sheet-like igneous intrusions), the role of ductile deformation has now been recognised as an important factor controlling rock permeability in environments as diverse as the mantle, the deep crust, and shallow crustal shear zones. This book brings together review and research articles united by the theme of deformation-enhanced fluid transport, with the aim of emphasizing the many common roots of this important body of work. Subjects covered include the movement of basaltic melts in the mantle; the segregation, ascent and emplacement of granitic melts in the crust; the flow through the crust of volatile fluids produced during metamorphic events; and the movement of aqueous fluids through fractured rocks near the Earth's surface. Deformation-Enhanced Fluid Transport in the Earth's Crust and Mantle will appeal to all geoscientists interested in the movement of fluids through the Earth. It will prove an invaluable reference work for those working in the field and will provide i useful introduction to this wide-ranging and rapidly evolving area of research for non-specialists.

Author: William R. Judd
Publisher:
ISBN:
Category : Rock mechanics
Languages : en
Pages : 760

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Author: Hans Ramberg
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 474

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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 783

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Contents: Rock stress, rock mechanics, and research; megageological considerations in rock mechanics, plowshare: scientific problems, brittle fracture of rocks, viscoelasticity of rocks, strain energy in rocks, strength variation and deformational behavior in anisotropic rock, failure of homogeneous rock under dynamic compressive loading, rock mechanics research in south Africa, in situ determination of stress by relief techniques, theory and applicati of curved jacks for measurement of stresses, the in situ measurement of rock stress based on deformation measurements, geophysical measurements of rock properties in situ, petrofabric techniques for the determination of principal stress directions in rocks, application of rock mechanics in the design of rock slopes, the problem of open-pit mine stability, rock mechanics considerations in the design of concrete dams, rock mechanics considerations in the design of underground protective structures, nuclear surface bursts and the design of protective construction in hard rock, some cases of residual stress effects in engineering work.

Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 268

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Author: B. Amadei
Publisher: Springer Science & Business Media
ISBN: 9401153469
Category : Science
Languages : en
Pages : 524

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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: National Earthquake Hazards Reduction Program (U.S.). Conference
Publisher:
ISBN:
Category : Plate tectonics
Languages : en
Pages : 524

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