A Solid-inclusion Borehole Probe to Determine Three-dimensional Stress Changes at a Point in a Rock Mass PDF Download
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Author: Thomas C. Nichols
Publisher:
ISBN:
Category : Probes (Electronic instruments)
Languages : en
Pages : 36
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Book Description
Development and laboratory testing of a solid-inclusion borehole instrument and the mathematical bases for reduction of the three-dimensional data produced by the instrument.
Author: Thomas C. Nichols
Publisher:
ISBN:
Category : Probes (Electronic instruments)
Languages : en
Pages : 36
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Book Description
Development and laboratory testing of a solid-inclusion borehole instrument and the mathematical bases for reduction of the three-dimensional data produced by the instrument.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1244
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 20
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 404
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 576
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Book Description
Author: Richard A. Farrow
Publisher:
ISBN:
Category : Rock deformation
Languages : en
Pages : 20
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Book Description
A new laboratory technique for measuring orthotropic deformation anisotropy in single rock specimens and comparison of results with structural features in the source rock mass.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 1060
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Book Description
Author: Richard E. Goodman
Publisher: John Wiley & Sons
ISBN: 0471812005
Category : Technology & Engineering
Languages : en
Pages : 582
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Book Description
Introduces a new approach to rock mechanics called ``block theory,'' which formalizes procedures for selecting proper shapes and orientations for excavations in hard jointed rock. Applies block theory to rock slopes and underground excavations, and covers the Q theory of rock classification, the empirical criterion of joint shear strength, rock bolting, properties of weak rocks, statistical frequency of jointing, an empirical criterion of rock strength, and design of underground supports. Contains many new problems with worked-out solutions.
Author: Michael J. Beus
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 48
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Book Description
Author: B. Amadei
Publisher: Springer Science & Business Media
ISBN: 9401153469
Category : Science
Languages : en
Pages : 524
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Book Description
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.
