Geotechnical engineering of landfills : proceedings of the symposium held at the Nottingham Trent University, Department of Civil and Structural Engineering on 24 September 1998

geotechnical Engineering Of Landfills Is A Symposium Designed To Provide A Forum For The Presentation Of Recent Developments In The Design, Construction And Operation Of Landfills Facilities. The Papers Presented In This Volume Bring Together Expertise And Experience From Industry, Academia And The Environment Agency. Title Page 1 Preface 3 Contents 4 Introduction 7 Mechanisms of compression 7 Primary compression 8 Secondary compression 13 Implications for practice 14 Conclusions 19 References 20 Introduction 23 Issues of barrier stability 24 Waste properties 25 Pressuremeter testing 26 Field trials 29 Comparison with values from the literature 35 Summary and future work 36 Acknowledgements 37 References 37 Introduction 41 Movement of contaminants through clay liners 42 Material suitability (or identification of possible source material for a landfill lining) 44 Acceptability of materials (or approval of lining material) 46 Correlations between physical and chemical tests 54 CQA testing 54 Conclusions 57 Acknowledgements 58 References 58 Introduction 65 Engineering characteristics of colliery spoil 66 Testing methods for permeability 68 Parameters influencing permeability 73 Approach to specification and quality control 77 Conclusions 80 Acknowledgements 81 References 81 Introduction 84 Permeability of bentonite enriched soils 84 Fines in soils 85 The bentonite enriched soil system 86 Applications of bentonite enriched soil liners 87 Materials for bentonite enriched soils: The bentonite 87 Materials for bentonite enriched soils: The soil 90 The behaviour of BES in-situ 92 Field Control 94 Chemical effects 96 Drying and freezing 96 Bentonite enriched soil mixing 97 References 98 Introduction 101 Background 101 Measurement of interface shear strength 102 Overview of stability analysis from the literature 110 Proposed stability analysis methodology 114 Discussion 118 Acknowledgements 118 References 119 Introduction 120 UK experience 120 Function of the protective layer 122 Testing of protective layers 122 Performance testing of protectors 124 Conclusions 129 Acknowledgements 129 Bibliography 130 Introduction 131 Function and properties 132 Testing 135 Product description 138 Quality aspects 138 Performance observations 145 Conclusions and recommendations 147 References 148 Content: Mechanical properties of landfill waste Compression of waste and implications for practice Stress states in, and stiffness of, landfill wasteIssues related to mineral liners Properties and testing of clay liners Issues related to the use and specification of colliery spoil liners The design and control of bentonite enriched soilsGeosynthesis in landfill design The stability of geosynthetic landfill lining systems Performance testing of protection materials for geomembranes Engineering properties and use of geosynthetic clay liners A symposium designed to provide a forum for the presentation of developments in the design, construction and operation of landfills facilities. This book aims to bring together expertise and experience from industry, academia and the Environment Agency.