Foundation with sand drains

Surcharge Precompression on Ground with Sand Drains

LAYERED SUBGRADE

pavement and double-layered subgrade coupled syste

Sand-layered soil

Aeolian Sand Subgrade

soil sand subgrade

areas with sand and coarse sediment

Cold Production with Sand Inflow

Covered sand with membrane

dam with drains for floatage

Fiber Pipes with Sand

Filled with Sand

filling bag with sand

Frid macao sole fish balls with with vegetable

gray pottery mixed with sand

heated with sand

Leaching method with sand column

loess column with sand layer