Prefabricated vertical drains are commonly used materials in soft soil foundation treatment

Plastic drainage boards are commonly used materials in soft soil foundation treatment. 

In vacuum preloading and load preloading treatment of soft foundations, the vertical drainage body has the dual functions of drainage and vacuum transmission, so the performance and construction of the vertical drainage body Quality will directly affect the reinforcement effect. Plastic drainage board soft foundation has the advantages of good reinforcement effect, fast construction speed and low cost, and is widely used in soft foundation reinforcement projects.