Summary

DVS method is one of vacuum preloading method and Dong-Ah’s new technology. Technique promotes a consolidation through drainage water that in the cohesive soil layer Apply a 70kpa vacuum pressure to PBD that connected with corrugated flexible pipe. It is managed block-by-block basis. It is possible re-concrete placing work at once when the poor construction through ICS that can confirm both drainer placing work and vacuum pressure at the same time. In addition, this is economical method as compared with similar method because It can fill-up ground quickly without any additional process upon loading vacuum pressure.

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