Slope and Settlement Movements of an MSW Landfill during Elevated Temperatures

Navid H. Jafari, Timothy D. Stark

Research output: Contribution to journalConference articlepeer-review


Elevated temperature events are problematic for Subtitle D landfills because they: (1) are challenging to identify and delineate; (2) can remain undetected for a relatively long period of time; (3) are difficult to extinguish; (4) may damage engineered components, (5) direction and rate of movement are not uniform, and (6) produce side effects that may damage a facility enough to warrant permanent closure. In addition, slope instability and movement have occurred at these landfills with elevated temperature, leachate, and/or gas pressures. This paper discusses the mechanisms for slope instability, including elevated gas pressures, perched leachate surfaces, and reduced MSW shear strength. Based on a case study, slopes are found to move outwards of up to 15 m. In addition, the slope can reverse backwards into the settlement bowl if settlement is excessive.

Original languageEnglish (US)
Pages (from-to)275-284
Number of pages10
JournalGeotechnical Special Publication
Issue number271 GSP
StatePublished - Jan 1 2016
Event3rd Geo-Chicago Conference: Sustainable Geoenvironmental Systems, Geo-Chicago 2016 - Chicago, United States
Duration: Aug 14 2016Aug 18 2016

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Geotechnical Engineering and Engineering Geology

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