System for the installation of vertical drains in soft soils with application of vacuum

摘要

System for the installation of vertical drains in soft soils with application of vacuum.Remarkably, a system that uses drain (1) pre manufactured previously stuck in the ground, which is further surrounded by a concentric outer tube (2), duly filled with gravel (3) or other material which prevents the accumulation of hydrophobic impermeable soil inside, Q. The EU remains free for the passage of negative pressure in the direction of the collector (4) in vacuum.