| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a spacer for a reinforcement net superior in workability and stability. Ž<P>SOLUTION: The spacer 31 supporting a reinforcement 23a of the reinforcement net 23 arranged on a deck plate 22 includes two rising parts 32a, 32b extended upward with a space; a reinforcement support part 33 formed in flat spiral shape having two lower horizontal part 33a, 33b extending almost in parallel with a space in a mutually approaching direction from the upper ends of the respective rising parts, arcuate parts rising in curves from the ends of the lower horizontal parts, and an upper horizontal part 33c connecting the upper ends of the arcuate parts; horizontal placing parts 34a, 34b placed on the upper face of the deck plate and extended from the lower ends of the respective rising parts to the mutually opposite side crest part ends in a direction to form an acute angle to the lower horizontal parts on the respective sides; and grip parts 35 formed at the ends of the respective placing parts. The spacer 31 can be fittingly fixed to the crest part of the deck plate in a state of supporting the reinforcement with simple work of rotating the spacer 31 along the reinforcement and pressing it down from above, and stability is also superior. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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