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Engineering rock mass classification [[electronic resource] ] : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel
| Engineering rock mass classification [[electronic resource] ] : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel |
| Autore | Singh Bhawani |
| Pubbl/distr/stampa | Burlington, Mass., : Butterworth-Heinemann, 2011 |
| Descrizione fisica | 1 online resource (382 p.) |
| Disciplina | 625.1/22 |
| Altri autori (Persone) | GoelR. K. <1960-> |
| Soggetto topico |
Engineering geology
Tunneling Foundations Landslides - Prevention Rocks Rock mechanics |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-283-15265-7
9786613152657 0-12-385879-8 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910461646203321 |
Singh Bhawani
|
||
| Burlington, Mass., : Butterworth-Heinemann, 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Engineering rock mass classification [[electronic resource] ] : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel
| Engineering rock mass classification [[electronic resource] ] : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel |
| Autore | Singh Bhawani |
| Pubbl/distr/stampa | Burlington, Mass., : Butterworth-Heinemann, 2011 |
| Descrizione fisica | 1 online resource (382 p.) |
| Disciplina | 625.1/22 |
| Altri autori (Persone) | GoelR. K. <1960-> |
| Soggetto topico |
Engineering geology
Tunneling Foundations Landslides - Prevention Rocks Rock mechanics |
| ISBN |
1-283-15265-7
9786613152657 0-12-385879-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910789437203321 |
|
Singh Bhawani
|
||
| Burlington, Mass., : Butterworth-Heinemann, 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Engineering rock mass classification : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel
| Engineering rock mass classification : tunnelling, foundations, and landslides / / Bhawani Singh, R.K. Goel |
| Autore | Singh Bhawani |
| Edizione | [1st ed.] |
| Pubbl/distr/stampa | Burlington, Mass., : Butterworth-Heinemann, 2011 |
| Descrizione fisica | 1 online resource (382 p.) |
| Disciplina |
625.1/22
625.122 |
| Altri autori (Persone) | GoelR. K. <1960-> |
| Soggetto topico |
Engineering geology
Tunneling Foundations Landslides - Prevention Rocks Rock mechanics |
| ISBN |
1-283-15265-7
9786613152657 0-12-385879-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover -- Engineering Rock Mass Classification: Tunneling, Foundations, and Landslides -- Copyright -- Dedication -- Contents -- Preface -- Acknowledgments -- Chapter 1: Philosophy of Engineering Classifications -- The classification -- Philosophy of classification system -- Need for engineering geological map -- Management of uncertainties -- Present-day practice -- Scope of the book -- References -- Chapter 2: Shear Zone Treatment in Tunnels and Foundations -- Shear zone -- Treatment for tunnels -- Treatment for dam foundations -- References -- Chapter 3: Rock Material -- Rock material -- Homogeneity and inhomogeneity -- Classification of rock material -- Class I and II brittle rocks -- Uniaxial compression -- Stability in water -- Classification on the basis of slake durability index -- References -- Chapter 4: Rock Quality Designation -- Rock quality designation -- Direct method -- Indirect methods -- Weighted joint density -- Red-flag effect of low RQD -- Application of RQD -- References -- Chapter 5: Terzaghi's Rock Load Theory -- Introduction -- Rock classes -- Rock load factor -- Modified Terzaghi's theory for tunnels and caverns -- References -- Chapter 6: Rock Mass Rating -- Introduction -- Collection of field data -- Estimation of RMR -- Applications of RMR -- Precautions -- Rock mass excavability index for TBM -- Tunnel alignment -- References -- Chapter 7: Tunneling Hazards -- Introduction -- Tunneling Conditions -- Empirical approach for predicting ground conditions -- Theoretical/analytical approach -- Effect of thickness of weak band on squeezing ground condition -- Sudden flooding of tunnels -- Chimney formation -- Environmental hazards due to toxic or explosive gases and geothermal gradient -- Concluding remarks -- References -- Chapter 8: Rock Mass Quality Q-System -- The Q-system -- Joint orientation and the Q-system.
Updating the Q-system -- Collection of field data -- Classification of the rock mass -- Estimation of support pressure -- Estimation of deformation or closure -- Unsupported span -- Design of supports -- New austrian tunneling method -- Norwegian method of tunneling -- Rock mass characterization -- Drainage measures -- Experiences in poor rock conditions -- Concluding remarks -- References -- Chapter 9: Rock Mass Number -- Introduction -- Interrelation between Q and RMR -- Prediction of ground conditions -- Prediction of support pressure -- Effect of tunnel size on support pressure -- Correlations for estimating tunnel closure -- Effect of tunnel depth on support pressure and closure in tunnels -- Approach for obtaining ground reaction curve -- Coefficient of volumetric expansion of failed rock mass -- References -- Chapter 10: Rock Mass Index -- Introduction -- Selection of parameters used in RMi -- Calibration of RMi from known rock mass strength data -- Scale effect -- Examples (palmstrom, 1995) -- Applications of RMi -- Benefits of using RMi -- Limitations of RMi -- References -- Chapter 11: Rate of Tunneling -- Introduction -- Classification of ground/job conditions for rate of tunneling -- Classification of management conditions for rate of tunneling -- Combined effect of ground and management conditions on rate of tunneling -- Tunnel management (Singh, 1993) -- Poor tender specifications -- Contracting practice -- Quality management by international tunneling association -- References -- Chapter 12: Support System in Caverns -- Support pressure -- Wall support in caverns -- Roof support in caverns -- Stress distribution in caverns -- Opening of discontinuities in roof due to tensile stress -- Rock reinforcement near intersections -- Radial displacements -- Precautions -- References -- Chapter 13: Strength Enhancement of Rock Mass in Tunnels. Causes of strength enhancement -- Effect of intermediate principal stress on tangential stress at failure in tunnels -- Uniaxial compressive strength of rock mass -- Reason for strength enhancement in tunnels and a new failure theory -- Critical strain of rock mass -- Criterion for squeezing ground condition -- Rock burst in brittle rocks -- Tensile strength across discontinuous joints -- Dynamic strength of rock mass -- Residual strength parameters -- References -- Chapter 14: Rock Mass Quality for Open Tunnel Boring Machines -- Introduction -- Q and QTBM -- Penetration and advance rates -- Cutter wear -- Penetration and advance rates versus QTBM -- Estimating time for completion -- Risk management -- References -- Chapter 15: Strength of Discontinuities -- Introduction -- Joint wall roughness coefficient -- Joint wall compressive strength -- Joint matching coefficient -- Residual angle of friction -- Shear strength of joints -- Dynamic shear strength of rough rock joints -- Theory of shear strength at very high confining stress -- Normal and shear stiffnesses of rock joints -- References -- Chapter 16: Shear Strength of Rock Masses in Slopes -- Mohr-coulomb strength parameters -- Non-linear failure envelopes for rock masses -- Strength of rock masses in slopes -- Back analysis of distressed slopes -- References -- Chapter 17: Types of Failures of Rock and Soil Slopes -- Introduction -- Planar (translational) failure -- 3D Wedge failure -- Circular (rotational) failure -- Toppling failure (topples) -- Raveling slopes (falls) -- Effect of slope height and groundwater conditions on safe slope angle -- A basic landslide classification system -- Causative classification -- Comprehensive classification system of landslides -- Landslide in over-consolidated clays -- Rock slope failures -- Landslide dams -- References -- Chapter 18: Slope Mass Rating. The slope mass rating -- Slope stability classes -- Support measures -- Modified SMR approach -- Case study of stability analysis using modified SMR approach -- Portal and cut slopes -- References -- Chapter 19: Landslide Hazard Zonation -- Introduction -- Landslide hazard zonation maps-the methodology -- A case history (gupta and anbalagan, 1995) -- Proposition for tea gardens -- Geographic information system -- Mega-regional landslide zonation -- References -- Chapter 20: Allowable Bearing Pressure for Shallow Foundations -- Introduction -- A classification for net safe bearing pressure -- Allowable bearing pressure -- Coefficient of elastic uniform compression for machine foundations -- Scour depth around bridge piers -- Rock parameters to select type of dam -- References -- Chapter 21: Method of Excavation -- Excavation techniques -- Assessing the rippability -- Rock mass classification according to ease of ripping -- Empirical methods in blasting -- References -- Chapter 22: Rock Drillability -- Drillability and affecting parameters -- Classification for drilling condition -- Other approaches -- References -- Chapter 23: Permeability and Groutability -- Permeability -- Permeability of various rock types -- Permeability for classifying rock masses -- Permeability versus grouting -- Determination of permeability -- Grouting -- References -- Chapter 24: Gouge Material -- Gouge -- Shear strength of filled discontinuities (silty to clayey gouge) -- Dynamic strength -- References -- Chapter 25: Engineering Properties of Hard Rock Masses -- Hard rock masses -- Modulus of deformation -- UCS -- Uniaxial tensile strength -- Strength criterion -- Support pressure in non-squeezing/non-rock burst conditions (H < -- 350 Q1/3) -- Half-tunnels -- References -- Chapter 26: Geological Strength Index -- Geological strength index -- Generalized strength criterion. Mohr-coulomb strength parameters -- Modulus of deformation -- Rock parameters for intact schistose -- Estimation of residual strength of rock masses -- Classification of squeezing ground condition -- References -- Chapter 27: Evaluation of Critical Rock Parameters -- Introduction -- Critical parameters -- Parameter intensity and dominance -- Classification of rock mass -- Example for studying parameter dominance in underground excavation for a coal mine with a flat roof -- Relative importance of rock parameters in major projects -- Interaction between rock parameters -- Application in entropy management -- References -- Chapter 28: In Situ Stresses -- The need for in situ stress measurement -- Classification of geological conditions and stress regimes -- Variation of in situ stresses with depth -- Effects of in situ stress on rock mass properties -- Core Discing -- References -- Appendix I -- Appendix II -- Index. |
| Record Nr. | UNINA-9910820234603321 |
|
Singh Bhawani
|
||
| Burlington, Mass., : Butterworth-Heinemann, 2011 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||