Settlement And Cover Subsidence Of Hazardous Waste Landfills

This report describes the causes and effects, prediction methods, and technologies that may be applied for the prevention of subsidence in hazardous landfills. The information should be of assistance to those involved in evaluating landfill permit applications. The goal is to help prevent damage to, and resulting leaks through, landfill covers caused by subsidence-induced stresses.

It is toward investigating, discussing and presenting the various issues involved in solid waste closure that this book is focused. It consists of invited papers presented at the 4th Annual Geosynthetic Research Institute Seminar. The closure [capping] of completed or abandoned solid waste facilities present particular challenges, for example: ★ there usually exists a very uncertain and random subsidence behaviour of the existing waste beneath the closure, ★ the friction behaviour of the various interfaces that are involved in solid waste facilities is not established, ★ there are numerous long term geosynthetic stability and durability issues that must be addressed, and ★ there are an extremely large number of sites that require proper closure. These topics are addressed in the three sessions Geosynthetics in Landfill Closures, Interface Friction Considerations and Geocomposites Systems and New Materials. Current materials and basic techniques are reviewed and innovations discussed. Owners' perspectives and design considerations raised and specific problems such as liquid intrusion are addressed. The area of landfill closure simply begs innovation and the manufacturing sector is meeting the challenge. This gathering of expert opinions is an important document of the proper use of geosynthetics in landfill closure systems.

This book focuses on waste management which is the collection, transport, processing, recycling or disposal of waste materials. The term usually relates to materials produced by human activity, and is generally undertaken to reduce their effect on health, aesthetics or amenity. Waste management is also carried out to reduce the materials' effect on the environment and to recover resources from them. Waste management can involve solid, liquid or gaseous substances, with different methods and fields of expertise for each. Waste management practices differ for developed and developing nations, for urban and rural areas, and for residential and industrial, producers. Management for non-hazardous residential and institutional waste in metropolitan areas is usually the responsibility of local government authorities, while management for non-hazardous commercial and industrial waste is usually the responsibility of the generator.