| 摘要 |
PROBLEM TO BE SOLVED: To provide a truck which can bring a box culvert close to a front edge of an installation space to stably transport and install the box culvert. SOLUTION: The truck has a front wheel 11 and a rear wheel 12 arranged on the front and the rear of a carrier portion 9 thereof, and an intermediate wheel 13 arranged about the center of a lower surface of the carrier portion 9, respectively. The front wheel 11 and the intermediate wheel 13 are vertically movable via separate elevating tools 15, 16, respectively. Then the truck has a lifter 23 on an upper surface of the carrier portion 9, which is provided with a support portion 22 for supporting a top plate 3 of the box culvert 5a from below, and vertically expandable/contractible. The front wheel 11 and the intermediate wheel 13 can run onto an upper surface 18 of a bottom plate 2 of the box culvert by contracting the elevating tools 15, 16. COPYRIGHT: (C)2006,JPO&NCIPI
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