This is a deep mixing method that features the enlargement and reduction system and the forward-reverse rotating system. By using the enlargement and reduction system, a dry excavation parts are improved with a reduced diameter and a improvement parts with an enlarged diameter, which realizes a reduction of waste soil and stabilizer as well as shorter period of excavation that will lead to more accurate and economical construction.
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Batholith improvement by earth retaining excavation, Foundation of water tank and structure, Prevention of sliding and destruction of filling, Creation of impermeable walls