| 摘要 |
PURPOSE: A steel pipe assembly for an underground structure is provided to reduce construction period and cost since a large diameter of steel pipe can be used without worry about the ground settlement. CONSTITUTION: A steel pipe assembly for an underground structure comprises a steel pipe(100) and a dividing member(200). The steel pipe forms a steel-pipe-roof structure along the outline of an underground structure to be installed. The steel pipe is used for a steel-pipe propelling technique of eliminating the soil. The dividing member divides the inner area of a steel pipe. The dividing member is installed in the steel pipe to form a through hole in a longitudinal direction.
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