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Analysis of Lining Properties at Landfills Using Geophysical Methods - Case Study: Tveta (Sweden).
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Mark- och vattenteknik, Teknisk geologi och geofysik.
2011 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

Recently established EU environmental legislation obliged Sweden to close many landfills until year 2020. Such an operation requires a lot of inexpensive and water resistant coverage materials. Six prototypes of linings were constructed at Tveta landfill. Built coverage consisted mainly of residual products such as compost, sludge, fly and bottom ash. Between 2004 and 2007 water permeability through tested coverage was well below the maximum limit for non-hazardous waste. However, recent lysimeter records indicated increased permeability through the constructed linings. Readings of water infiltration were verified. Direct current (DC) resistivity, induced polarization (IP) and ground penetrating radar (GPR) were the methods applied in the research. The data was processed to present resistivity distribution in 2D pseudo-sections and 3D model. Resistivity measurements confirmed increased conductivity at the area with highest lysimeter readings. Unfortunately, GPR and IP output could not be used as reference information for DC resistivity readings. Constructed prototypes seemed to be suitable for coverage lining. Leakage was probably a result of minor mass transport along the slopes of the waste pile. It was recommended to prepare additional DC resistivity measurements to verify correctness of the processed 2D pseudo-sections and 3D model.

sted, utgiver, år, opplag, sider
2011. , s. 50
Serie
TRITA-LWR Degree Project, ISSN 1651-064X ; LWR-EX-11-11
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-96086OAI: oai:DiVA.org:kth-96086DiVA, id: diva2:529512
Fag / kurs
Land and Water Resources
Utdanningsprogram
Degree of Master - Environmental Engineering and Sustainable Infrastructure
Uppsök
Technology
Veileder
Examiner
Tilgjengelig fra: 2012-05-30 Laget: 2012-05-30 Sist oppdatert: 2012-05-30bibliografisk kontrollert

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