Abstract: Two consolidation drainage measures were discussed from the viewpoints of increasing drainage channel and discharging consolidated water as soon as possible. The one was the combination of plastic drainage plate, sand cushion and geogrid, the other was the combination of plastic drainage plate and vertical drainage pipe. Monitoring results showed that the consolidation settlement was 60~80 cm during construction. It was the new technology of the vertical drainage pipe in the consolidation drainage measures.

Key words: soft soil, foundation, consolidated drainage