Method for treating foundation consisting of liquid soil layer and soft soil mutual layer
A foundation treatment and soil layer technology, applied in soil protection, foundation structure engineering, sheet pile walls, etc., to achieve the effects of improving work efficiency, convenient construction, and simple operation
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[0021] The invention organically combines the two foundation treatment methods, first constructs bidirectional mixing variable cross-section piles, and then constructs compacted sand piles, which not only solves the liquefaction problem of the upper liquefied soil layer, but also solves the bearing of the soft soil layer Force and settlement issues.
[0022] The invention mainly organically combines the two foundation treatment methods to form a new construction method. The specific operation steps are as follows:
[0023] The specific steps are as follows:
[0024] (1) Leveling the site
[0025] (2) Bidirectional mixing variable cross-section piles and compacted sand piles are arranged in a plum blossom shape (see figure 1 )
[0026] (3) Two-way mixing pile machine positioning: move the two-way mixing pile machine, hold the drill bit to the pile position;
[0027] (4) Drilling, shotcreting and mixing: construct a two-way mixing pile with a pile diameter of ¢500cm in the liquefied soil ...
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