Case Study

Private building for residential use in Altavilla Milicia (PA)

110% Seismbonus intervention with invoice discount

Structure: a private building for residential use located in Altavilla Milicia (PA), consisting of three above-ground floors with concrete block masonry and late concrete floors.
Foundations: reinforced concrete curb placed at the level of the floor level and continuing 70 cm deep.
Disturbance: subsidence of the building to the north/west by about 7 cm and to the south by 1.5 cm.
Soil: 0.00 to 5.0 m – particularly sparse clayey silts, above 5.0 m – semi-consolidated clays.
Request for action: bottom consolidation intervention. Seismbonus 110% with invoice discount.

Il Progetto

Intervention: consolidation by driving in 68 MP60 steel micropiles (CE-marked product according to European standard EN1090-1:2009).
Depth reached by the micropiles in relation to the foundation laying surface: 8 to 10 meters.
Driving pressure: 220 and 240 bar corresponding to 22 and 24 tons per driven in micropile.
Duration of consolidation intervention: 6 working days.
Number of operators employed for the work: 3 specialized operators.