| EPSRC Reference: |
GR/R02832/01 |
| Title: |
Modelling Secondary Settlement In Landfills |
| Principal Investigator: |
Pyrah, Professor IC |
| Other Investigators: |
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| Department: |
Engineering and the Built Environment |
| Organisation: |
Edinburgh Napier University |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
01 January 2001 |
Ends: |
31 December 2003 |
Value (£): |
89,041
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| EPSRC Research Topic Classifications: |
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| Environment |
No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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The proposed research aims to further the development of a settlement model for landfilled waste.Firstly, a mechanical model, which links to existing models of the hydraulic and biodegradation behaviour waste refuse, will be developed to account for both primary and secondary compressions in landfill. The mechanical model, like the others, will be implemented using finite element techniques. Using coupled hydraulic, biodegradation and mechanical models of landfill behaviour allows for a more fundamental interpretation of the key factors affecting secondary settlement, ie waste type, initial organic fraction, moisture content, density.Secondly, with a mechanical model in place a series of comparative (with data obtained from Southampton's experimental work) and illustrative simulations will be performed. Simulations of the experimental waste columns will examine settlement under a given overburden stress with corresponding hydraulic conductivity and leachate control. By using finite element techniques, a sophisticated framework for the investigation of site management practices is obtained. Individual elements of waste are imported and biodegradation processes are initiated on arrival. Numerical simulations can then be devised to investigate practices such as leachate re-circulation or the pattern of decomposition and compressibility within the waste profile, which is important in deciding when to cap.
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Key Findings |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Potential use in non-academic contexts |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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Impacts |
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| Description |
This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk |
| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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| Project URL: |
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| Further Information: |
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| Organisation Website: |
http://www.napier.ac.uk |