Dynamics of surface settlements in landfills in the municipality of jaboatão dos guararapes, Pernambuco, Brazil

A source of social and environmental problems, the disposal of waste is a global difficulty and has attracted looks that aim to mitigate these evils. The study of the structure that receives this waste is of fundamental importance, aiming at the stability of these lands. Thus, the research deals with a comparative analysis in solid landfills on a large scale, being an old dump and a landfill, monitoring surface settlements. Considered the first year after the deactivation of the cells, the behavior of the discarded mass was known, through the implantation of superficial reference points, located on the shoulders during the operation period. These landfills are borderline and in the same physiographic conditions as Jaboatão dos Guararapes. The results revealed the elevation behavior of the structure and its direct relationship with climatic variations, also observing the influence of clay mineralogy in relation to the settlements.