Guidelines for evaluating water in pit slope stability / / editors, Geoff Beale and John Read

• Record Nr.: UNINA9910821522303321
• Pubbl/distr/stampa: Collingwood : , : CSIRO Publishing, , [2013]; ©2013
• ISBN: 1-5231-0855-X; 0-643-10836-X; 1-306-20823-8
• Descrizione fisica: 1 online resource (615 p.)
• Altri autori (Persone): BealeGeoff; ReadJohn
• Disciplina: 628.505
• Soggetti: Strip mining - Planning; Strip mining - Design and construction; Slopes (Soil mechanics); Landslides
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Cover; Contents; Preface and acknowledgements; INTRODUCTION; 1 Scope of LOP projecthydrogeological studies; 2 General impact of water onmining; 2.1 Water management issues; 2.2 Consequences of mining below thewater table; 2.3 General goals for the water-controlprogram; 3 Cost of managing water in slopestability; 3.1 Introduction; 3.2 Cost-benefit analysis; 3.3 An example of managing earlydewatering costs; 3.4 An example of large-scale cost-benefitanalysis for pit slope depressurisation; 4 Goals of managing water inslope stability; 4.1 Opportunities; 4.2 Passive pore pressure control; 4.3 Active pore pressure control4.4 Making the decision to implement anactive program; 5 General planning for mine watermanagement; 1FRAMEWORK: ASSESSING WATER IN SLOPE STABILITY; 1.1 Fundamental parameters; 1.1.1 Porosity and storage properties; 1.1.2 Permeability and transportproperties; 1.1.3 Pore pressure; 1.1.4 Head and pressure conditions; 1.1.5 Controls on pore pressure; 1.1.6 The role of water pressure in slopestability; 1.2 The hydrogeological model; 1.2.1 Basic ; regimes; 1.2.2 Geology; 1.2.3 Hydrology; 1.2.4 Hydraulic controls; 1.3 Managing water in open pitmines; 1.3.1 Key factors affecting the water managementprogram1.3.2 General mine dewatering; 1.3.3 Pit slope depressurisation andgeneral mine dewatering; 1.3.4 Steps required for implementing aslope depressurisation program; 1.3.5 Mine water balance; 1.3.6 Mine closure considerations; 2SITE CHARACTERISATION; 2.1 Planning field programs; 2.1.1 Introduction; 2.1.2 Scale of the investigation; 2.1.3 Early-stage investigation; 2.1.4 Integrating the design process; 2.1.5 Required effort based on projectlevel; 2.1.6 Planning for a Greenfield minedevelopment; 2.1.7 Planning for a Brownfield sitedevelopment; 2.1.8 Environmental baseline studies2.1.9 Water management practices duringthe field investigation program; 2.2 Implementing field programs; 2.2.1 Background; 2.2.2 Drilling methods; 2.2.3 'Piggy-backing' of data collection; 2.2.4 Dedicated hydrogeological drillingprograms; 2.2.5 Single-hole testing methods; 2.2.6 Monitoring installations; 2.2.7 Downhole geophysical logging; 2.2.8 Cross-hole and multi-hole testing; 2.2.9 Water quality testing; 2.2.10 Pilot drainage trials; 2.3 Presentation, analysis andstorage of data; 2.3.1 Types of data; 2.3.2 Display of time-series monitoringdata; 2.3.3 Analysis of one-off data2.3.4 Levels of data analysis for a typicaldevelopment program; 2.3.5 Databases; 3 PREPARING A CONCEPTUALHYDROGEOLOGICAL MODEL; 3.1 Introduction; 3.1.1 Background; 3.1.2 What is a conceptual model?; 3.1.3 Development of a sector-scale model; 3.1.4 Available data; 3.2 Components of the conceptualmodel; 3.2.1 Components of a larger scaleconceptual model; 3.2.2 The 'A-B-C-D' concept of fractureflow; 3.2.3 Components of the sector-scaleconceptual model; 3.3 Research outcomes from Diavik; 3.3.1 Background; 3.3.2 Diavik site setting; 3.3.3 Effects of blasting; 3.3.4 Influence of freeze-back
• Sommario/riassunto: Details the hydrogeological procedures that should be followed when performing open pit slope stability design studies.