ABSTRACT

Bulera's landfill is one of the few authorized landfills for hazardous waste in Italy. In the year 2016 an expansion was decided adding additional volume above the old waste body temporarily covered, for total expected further quantity of 640,500 m3. The project involved many challenging problems which have been efficiently solved with the use of geosynthetics. Very restrictive requirements had to be respected for the intermediate barrier system and capping, both from hydraulic and static point of view. To ensure the overall stability of the landfill body reinforced embankments were adopted. Furthermore, road base reinforcements were used to support the traffic of heavy vehicles on soft soils. Erosion control mats were also implemented to protect the slopes of the entire area. The paper illustrates the problems faced and the criteria adopted for the choice of the different solutions with geosynthetics.