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Geotechnical Aspects of Landfill Design
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Flashcards
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Seismic Design Considerations
Incorporating seismic resilience into landfill structures to withstand earthquakes. Factors include local seismicity, dynamic soil properties, and landfill geometry.
Landfill Gas Control
Techniques to manage the production and emission of gases from decomposing wastes. Considerations include gas extraction methods, energy recovery systems, and emission control.
Hydrology and Drainage
Managing the flow of surface and subsurface water around the landfill. Considers surface water runoff, groundwater control, and drainage system design.
Capping Systems
The final cover applied to the landfill to isolate waste from the environment. Key considerations are barrier selection, erosion control, and vegetation compatibility.
Environmental Impact and Risk Assessment
Estimating the potential negative effects of landfills on the environment and assessing mitigation strategies. Focuses on pollution prevention, ecological impact, and regulatory compliance.
Liner Systems
Barriers that contain and prevent leakage of waste contents into the environment. Design considerations include material selection, permeability, and stability.
Leachate Management
Systems designed to collect and treat the liquid that filters through landfills. Considerations include leachate volume estimation, treatment methods, and disposal.
Slope Stability
Ensuring the integrity of landfill slopes to prevent failure. Considerations include soil strength, geometry of landfill slopes, and surcharge loads.
Foundation Design
Creating a stable base to support the landfill structure. Considerations involve bearing capacity, settlement, and soil reinforcement methods.
Waste Settlement Analysis
Predicting and accommodating the settlement of waste materials over time. This includes monitoring strategies, post-settlement land use, and design for future expansion.
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