| 摘要 |
PROBLEM TO BE SOLVED: To provide a prestressed steel strand feeding device which is constituted as such a new type that a winding portion can be towed and hoisted and can travel, which facilitates the operation of laying the unwound prestressed steel strand, and which prevents damage to the prestressed steel strand; and to provide a prestressed steel strand laying method which enables the rationalization and labor-saving of the laying operation to be achieved by the feeding device. SOLUTION: The prestressed steel strand feeding device A has the winding portion 10 which winds up thereon the prestressed steel strands W to be laid in a prestressed concrete structure. The winding portion 10 has a space which enables the wound prestressed steel strands W to be rotatably housed in the winding portion 10. A guide portion 12 serving as a guide for unwinding the prestressing strands W, and an engaging portion 14 for towing and hoisting the winding portion 10 are provided in predetermined positions of the winding portion 10. The winding portion 10 can travel on a foundation surface of a PC concrete structure when it is towed or hoisted. COPYRIGHT: (C)2009,JPO&INPIT
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