Proceedings of the 26th Us Symposium on Rock Mechanics: Proceedings of the 26th Us Symposium on Rock Mechanics

ISBN-13: 9789061916017 / Angielski / Twarda / 1985 / 708 str.

Ashworth, Eileen

Opis

This book is an outcome of the twenty-sixth symposium on "Rock Mechanics: Research and Engineering Applications in Rock Masses" in U.S. It focuses on the problems associated with rock mass and many experiments and modeling techniques are being performed in this area.

Spis treści

Slope stability 1. Study on rock slope protection of toppling failure by physical modelings 2. Nomograms for the assessment of toppling failure in rock slopes 3. Geotechnical investigation and appraisal of face stability in jointed rock mass in surface mining 4. The characteristics of coal measures slope instability in British surface coal mines 5. Rock mechanics in surface mining — An update Geological and empirical evaluation of rock properties 6. A comparison of some approaches to the classification of rock masses for geotechnical purposes 7. Influence of geological factors on the mechanical properties of rock in the Palo Duro Basin 8. A new rock classification method for design purposes 9. Analysis of the elastic and strength properties of Yucca Mountain tuff, Nevada 10. Pillar design for frozen placers Numerical modeling of fractured rock 11. A simplified modelling strategy for describing rockmass behaviour around stope faces in deep hard-rock gold mines 12. The kinematics of block inter-penetrations 13. Equivalent continuum of large scale modeling for rock masses: An alternative approach 14. Seismic stability of fractured rock masses with the distinct element method 15. Rock motion modeling of oil shale cratering experiments Subsidence 16. Subsidence prediction for Saskatchewan potash mines 17. Numerical modelling of the behavior of overburden rock masses associated with longwall mining 18. Subsidence over a room and pillar mine in the Appalachian coal province and the use of subsidence predictive methods - A comparative analysis 19. Computer modeling of the surface effects of subsidence control methods 20. Surface subsidence resulting from longwall mining in central Utah — A case study Rock mass characterization in deep boreholes 21. Applications of borehole-acoustic methods in rock mechanics 22. Borehole measurements in extreme environments 23. Fracture detection and evaluation using new wireline methods Applied numerical modeling 24. 2-D and 3-D finite element analyses of room-pillar mining systems with flat and rolling coal seams 25. Comparison of numerical modeling with predictions from laboratory tests and field observations of deformation in a potash mine in Sergipe, Brazil 26. Salt pressures on defense high-level waste packages 27. Modeling with infinite elements in the study of stress field and heat diffusion at the contour of underground excavations 28. Fuzzy methodology in tunnel support design Problems associated with weak rock 29. Cross hole seismic investigation for characterization of the rock foundation at the site of a large rock fill dam 30. Design procedures of large underground openings in weak rock 31. Mine inundations 32. Building embankments with shale 33. Test procedures for salt rock Hydraulic fracture 34. Pseudo-three-dimensional fracture growth modeling 35. An improved model for fluid-driven cracks in jointed rock 36. Hydraulic-fracture growth in dipping anisotropic strata as viewed through the surface deformation field 37. The sizing of a hot dry rock reservoir from a hydraulic fracturing experiment 38. Determination of rock mass deformation modulus during hydraulic fracturing Constitutive modeling of rock, rock masses andjoints 39. Nonassociative constitutive"laws for Algerie granite 40. Constitutive modeling of rock joints with dilation 41. A constitutive law for shear behavior of rock joints 42. A comparison of hydrostatic-stress and uniaxial-strain pore-volume compressibilities using nonlinear elastic theory Ground support 43. Effects of moisture on anchorage capacity of expansion shell rock bolts 44. Evaluation of roof bolt tension measuring techniques 45. The influence of monolithic permanent roadside support upon coal rib pillar design in longwall mining 46. Liner support for excavations through strong jointed rock masses 47. A new aspect in tunnel closure interpretation Fracture mechanics 48. Fracture parameters of Fontainebleau sandstones: Experimental study using a high temperature controlled atmosphere double torsion apparatus 49. Formation and stability of steeply dipping joint sets 50. Time-dependent microcracking in plutonic rock due to heat from a nuclear-fuel waste vault 51. The modelling and measurement of super-conducting rock joints 52. Fracture toughness testing of coal Model verification 53. Physical and numerical simulations of fluid-filled cavities in a creeping material 54. Calculation of laboratory stress-strain behavior using a compliant joint model 55. Measurement and calculation of the mechanical response of a highly fractured rock 56. Comparison between predicted and measured stresses in an underground coal mine 57. Energy analysis of hydraulic fracturing Poster session A 58. Use of the Schmidt hammer for rock and coal testing 59. Study on estimating geostresses by the Kaiser effect of AE 60. Effects of contact area of an interface on acoustic wave transmission characteristics 61. Crustal stress and rock pressure are determined from the shape of the weak plane 62. In situ stress indications around Lake Ontario 63. Moisture adsorption rate and strength degradation of Illinois shales 64. Penetrometer to determine the mechanical properties of rocks 65. A note on the implementation of a continuum finite element approach for stress analysis in jointed rock 66. The effect of hydraulic-fracture growth on free oscillations of wellbore pressure 67. Coupled finite element/boundary element analysis for nonlinear fluid flow in rock fissures and fissure networks 68. On the use of a single shape function for the integral equation of a plane crack under normal loading 69. Finite element modeling of rock breakage mechanism 70. Finite element analysis of the Stress Control Method 71. Field application of fracture mechanics analysis to small rock slopes 72. Rock wedge stability analysis on a personal computer

O autorze

Eileen Ashworth (Author)