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SEALING SOLUTIONS FOR COMPLIANT LANDFILL FOUNDATION, ACTIVITIES UNDERTAKEN TO PROTECT ENVIRONMENTAL FACTORS IN OPERATING AND AFTER CLOSING A LANDFILL
Abstract
The paper presents solutions for the sealing of the foundation plate inside a compliant landfill, the conditions necessary for the selection of certain materials in execution. Geometry of landfills (shape and dimensions in horizontal and vertical planes) often follows the site's orography, is influenced by the hydrogeology of the underground profile (groundwater level, inadequate or rocky land and difficulties with excavation), stability in the slope for the maximum possible weight (also related to the angle of settlement/stability of the waste), ensuring the stability of the sealing/separating or draining layers and of course, the financial possibilities. It is important to emphasize that when the compliant landfill serves large urban areas (large volumes of waste resulting), the possible loading in the vertical plane influences proportionally the required deposit area. This is particularly important because the activity of a landfill is efficient if it allows for a minimum of 20 years of operation (situation solved today, to a great extent by the new Strategic Waste Management Plan).
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References5
Decision no. 870 of 06/11/2013 Published in the Official Gazette, Part I no. 750 of 12/4/2013 effective from: 01/01/2014 Decision no. 870/2013 approving the National Strategy for Waste Management 2014-2020
A. Wehry, M.Orlescu „Recycling and ecological waste storage” Orizonturi Universitare Publishing House, Timișoara, Romania, 2000.
Council Directive 75/442/EEC on waste. Member States shall take appropriate steps to encourage the prevention, recycling and processing of waste, the extraction of raw materials and possibly of energy therefrom and any other process for the re-use of waste.
European Parliament and Council Directive 94/62/EC of 20 December 1994 on packaging and packaging waste.
Directive 99/31/EC on landfill of Waste.
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