Environmental geological assessment of a solid waste disposal site: a case study in Sivas, Turkey
Özet
The selection of the disposal site is probably the most important step in the development of solid waste management. In site selection, geology plays a determining role. This study evaluates the characteristics of the environment on the basis of the geological, hydrogeological and geo-engineering properties of the solid waste site of the Sivas city, Turkey. The area is underlain by the Oligocene-Miocene rocks which have limited aquifer properties. Thin Quaternary alluvium and soil cover overlie the Oligo-Miocene rocks, which are represented as well graded sand and inorganic silt of low plasticity. The Quaternary alluvium and soil cover are classified as inorganic clays having a low plasticity and the permeability varies from 1.2x10(-6) to 3.11x10(-6) m/s. These values are much higher than 1x10(-8) m/s, which is accepted for waste disposal standards. Seepage waters have a potential to pollute the ground water and the Kizilirmak River, which is 500 m to the southwest of the waste disposal area and because the disposal site is close to the river, the potential for flash flooding poses a high pollution risk. The waste disposal area must be covered by clay layers or an impervious artificial membrane. In addition, seepage must be controlled and removed from the site.
Kaynak
ENVIRONMENTAL GEOLOGYCilt
50Sayı
5Koleksiyonlar
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