LANDFILL LECTURE 6

Front

What are landfills?

Back

Facilities for the final controlled disposal of waste in or onto land.

Front

What is a sanitary landfill?

Back

A landfill that uses a clay liner to isolate the trash from the environment.

Front

What is a Municipal Solid Waste (MSW) landfill?

Back

Landfills used for debris generated during construction, renovations, demolitions of buildings and bridges.

Front

What are Construction and Demolition Waste Landfills?

Back

Landfills that accept specified industrial wastes, often associated with a specific industry or facility.

Front

What are the basic geotechnical considerations in landfill design?

Back

Siting criteria, landfill layout, landfill capacity, principles of decomposition in landfills, landfill cover design.

Front

What is siting criteria in landfill design?

Back

The definition and significance of the area where the waste will be filled and additional areas for support facilities.

Front

What are the types of landfill layouts?

Back

Trench landfill, area landfill, valley landfill.

Front

What factors affect landfill capacity?

Back

Nominal capacity based on contour maps, actual capacity depending on cover material volume and compacted density of waste.

Front

What are the three common methods for determining landfill capacity?

Back

1. Topographical Survey Methods 2. Weight-Based Methods 3. Other Methods.

Front

What is the principle of decomposition in landfills?

Back

Solid wastes decompose through chemical, physical, and biological processes, producing solid, liquid, and gaseous byproducts.