A method for deep compaction and reinforcement of loess collapsible soils includes drilling of a designed number of wells to whole depth of collapsing stratum. In the cavities of the wells one places perforated pipes connected to water supply network. One fills the wells with lime-sand mixture. After that those are partially compacted and backfilled with heavy concrete. Then the wells through perforated tubes are filled with water and completely closed with concrete.
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