| 摘要 |
PROBLEM TO BE SOLVED: To provide a partition body used for the construction of a diaphragm wall, capable of preventing the leakage of slurry and concrete and being easily removed after the construction of the wall. SOLUTION: The bag-like partition body for dividing adjacent elements from each other, which is installed within an excavated trench for the construction of the diaphragm wall, can be expanded by the supply of gas or a fluid and shrunk by the discharge of the gas or the fluid.
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