| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure of a concrete product capable of carrying out the connection of PC steel bars with a simple constitution at a low cost in the case axes of two PC steel bars intersect each other when a pipe culvert having a folding section is formed and a connecting member. SOLUTION: The second nut 31 screwed to a male screw section 2a of the first PC steel material 21, the third nut 32 screwed to the male screw section 2a of the second PC steel material 22 and a socket 33 connected so as to pull the first and second PC steel materials 21 and 22 against each other by having the first engaging surface 33a engaged with the second nut 31 and the second engaging surface 33b engaged with the third nut 32 are provided to a connection mechanism 3 of a structure connecting a box culvert 1, and the connection structure is so constituted that the socket 33 and the second PC steel material can be relatively rotated. COPYRIGHT: (C)2006,JPO&NCIPI
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