| 摘要 |
PROBLEM TO BE SOLVED: To provide an underground structure holding frame supporting device without the need of using a buried-left member. SOLUTION: The underground structure holding frame supporting device includes a bolt 11 planted on a foundation structure side 32 for clamping a holding frame 30 on the foundation structure side 32 and a female screw section having a space inside thereof so as to cover a bolt shaft from the above and partially screwed to a male screw section of the bolt 11. It includes a body 15 having a means for making screw operation and an arm 20 provided to the body 15 in a vertically movable manner together with the body 15 by running idle to the rotation of the body 15 and having a hooking means 26 lifting up the body 15 by being hooked to a proper spot inside or outside the holding frame. COPYRIGHT: (C)2004,JPO&NCIPI
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