| 摘要 |
PROBLEM TO BE SOLVED: To provide a construction method of an underground structure capable of completing the underground structure such as a basement by easy and rational work. SOLUTION: A construction recessed place 10 having an extent of size capable of entirely store a unit of underground structure is excavated, the inside of the construction recessed place 10 is filled with a built-up form U, and after a unit of skeleton body S is molded by the form, the form U is disassembled to separate, then, the bottom of the construction recessed place 10 is made to dig down to lower the skeleton body S, a new construction recessed place 10 is increased upward thereof, the inside of the increased construction recessed place 10 is filled with a new form U, and after a unit of new skeleton body S is molded, the new form U is disassembled to separate. By repeating such a process, a required unit of underground structure skeleton body is formed.
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