Geotechnical Aspects of Landfill Design and Construction / Edition 1by Xuede Qian, Robert M. Koerner, Donald H. Gray
Pub. Date: 09/03/2001
Publisher: Prentice Hall
Focuses on actual, state-of-the-art design/construction procedures as opposed to a discussion of solid waste management issues and to general descriptions and/or conceptual designs. Provides an integrated package of analytical tools, design equations, and step-by-step construction procedures for all elements of a landfill, giving the reader a better sense/b>… See more details below
Focuses on actual, state-of-the-art design/construction procedures as opposed to a discussion of solid waste management issues and to general descriptions and/or conceptual designs. Provides an integrated package of analytical tools, design equations, and step-by-step construction procedures for all elements of a landfill, giving the reader a better sense of the necessary site investigation, planning, analysis, and organization that go into a landfill design and construction project. The characteristics of landfill containment envelopes and their design/construction are treated in detail. Physico-chemical and engineering properties of solid waste that are relevant and important to landfill design and construction are tabulated and described. Includes explanation of how to evaluate and assess potential problems that affect landfill performance such as sideslope stability, settlement, containment effectiveness, and erosion control. Discusses vertical landfill expansion; how leachate moves across a liner or barrier under both advection and diffusion; compares the containment effectiveness of different liner systems to the combined advective-diffusive transport of dissolved leachate solutes. Includes a detailed explanation with numerical examples and calculations of how to design a gas collection and piping system in a landfill—including the collection and handling of condensate in the gas. Detailed installation and inspection guidelines are provided for both earthen and geosynthetic liner/cover systems—comparing the relative advantages and limitations of each. For professional training courses in Geotechnical and Geoenvironmental Engineering.
- Prentice Hall
- Publication date:
- Edition description:
- New Edition
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- Product dimensions:
- 6.90(w) x 8.90(h) x 1.70(d)
Table of Contents(NOTE: Each chapter concludes with Problems and References.)
Need for Landfills. Principal Landfill Requirements. Landfill Components and Configuration. Landfill Envelope. Composite Liners. Benefits of Double Composite Liners. Liner Linkage Mechanisms. Scope and Organization of Book.
2. Landfill Siting and Site Investigation.
Siting Considerations. Location Restrictions. Siting Process. Site Investigation. Borrow Source Investigation. Field Hydraulic Conductivity Tests. Material Laboratory Tests.
3. Compacted Clay Liners.
Overview Compacted Clay Liners. Compaction and Permeability Considerations. Design of Compacted Clay Liners. Influence of Clods on Hydraulic Conductivity. Effect of Gravel Content on Hydraulic Conductivity. Effect of Freezing and Thawing on Hydraulic Conductivity. Summary Comments Regarding Compacted Clay Liners.
Composition and Thickness of Geomembranes. Current Uses of Geomembranes in Landfills. Tensile Behavior of Geomembranes. Friction Behavior of Geomembranes. Tension Stresses Due to Unbalanced Friction Forces. Tension Stresses Due to Localized Subsidence. Runout and Anchor Trenches. Assessment of Leakage through Liners. Concluding Comments Regarding Geomembranes.
5. Geosynthetic Clay Liners.
Types and Current Uses of Geosynthetic Clay Liners. Hydraulic Conductivity. Ability to Withstand Differential Settlement. Shear Strength. Differences between Geosynthetic Clay Liners and Compacted Clay Liners. Contaminant Transport through Geosynthetic Clay Liner and Compacted Clay Liner. Comparison of Mass Transport through a GCL and CCL. Recommendations for Use of Geosynthetic Clay Liners. Summarizing Comments Regarding Geosynthetic Clay Liners.
6. Engineering Properties of Municipal Solid Waste.
Constituents of Municipal Solid Waste. Unit Weight of Municipal Solid Waste. Moisture Content of Municipal Solid Waste. Porosity of Municipal Solid Waste. Hydraulic Conductivity of Municipal Solid Waste. Field Capacity and Wilting Point of Municipal Solid Waste. Shear Strength of Municipal Solid Waste. Compressibility of Municipal Solid Waste.
7. Leachate Generation and Evaluation in MSW Landfills.
MSW Leachate Characterization. Factors Affecting Leachate Quantity. Estimation of Leachate Production Rate in an Active Condition. Estimation of Leachate Production Rate in a Postclosure Condition. Hydrologic Evaluation of Landfill Performance (HELP) Model.
8. Liquid Drainage Layer.
Profile of Leachate Drainage Layer. Soil Drainage and Filtration Layer. Geotextile Design for Filtration. Geonet Design for Leachate Drainage. Estimate of Maximum Liquid Head in a Drainage Layer.
9. Leachate Collection and Removal Systems.
Subbase Grading. Leachate Collection Trenches. Selection of Leachate Collection Pipe. Deformation and Stability of Leachate Collection Pipe. Sump and Riser Pipes. Leachate Removal Pumps.
10. Gas Collection and Control Systems.
Gas Generation. Gas Composition. Factors Affecting Gas Generation. Gas Generation Rate. Gas Migration. Types and Components of Gas Collection Systems. Gas Control and Treatment. Design of Gas Collection System.
11. Final Cover System.
Components of Final Cover System. Alternative Landfill Cover. Field Study of Landfill Covers. Soil Erosion Control. Effects of Settlement and Subsidence. Differential Subsidence Case History.
12. Landfill Settlement.
Mechanism of Solid Waste Settlement. Effect of Daily Cover. Landfill Settlement Rate. Estimation of Landfill Settlement. Effect of Waste Settlement on Landfill Capacity. Other Methods for Estimating Landfill Settlement. Estimation of Landfill Foundation Settlement.
13. Landfill Stability Analysis.
Types of Landfill Failures. Factors Influencing Landfill Stability. Selection of Appropriate Properties. Veneer Slope Stability Analysis. Subsoil Foundation Failures. Waste Mass Failures. Concluding Remarks.
14. Vertical Landfill Expansions.
Considerations Involved in Vertical Expansions. Liner Systems for Vertical Expansion. Settlement of Existing Landfill. Estimation of Differential Settlement Due to Waste Heterogeneity. Vertical Expansion over Unlined Landfills. Design Considerations for Landfill Structures. Geosynthetic Reinforcement Design for Vertical Expansions. Stability Analysis for Vertical Expansion.
15. Bioreactor Landfills.
Introduction. Liquids Managements Strategies. Concepts of Waste Degradation. Leachate Recycling Methods. Bioreactor Landfill Issues and Concerns. Performance-to-Date. Summary Comments.
16. Construction of Compacted Clay Liners.
Subgrade Preparation. Soil Materials for Compacted Soil Lines. Compaction Objectives and Choices. Initial Saturation Specifications. Clay Liner Compaction Considerations. Compaction Specifications. Leachate Collection Trench Construction. Protection of Compacted Soil. Field Measurement of Water Content and Dry Unit Weight. Construction Quality Assurance and Quality Control Issues.
17. Installation of Geosynthetic Materials.
Material Delivery and Conformance Tests. Installation of Geomembranes. Installation of Geonets. Installation of Geotextiles. Installation of Geocompostes. Installation of Geosynthetic Clay Liners.
18. Postclosure Uses of MSW Landfills.
Athletic and Recreational Facilities. Industrial Development. Aesthetics. Concluding Remarks.
Appendix I. Help Model Input and Output—Active Condition.
Appendix II. Help Model Input and Output—Postclosure Condition.
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