| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of a tetrapod in which one worker can perform each working of assembling a formwork, concrete placing, dismantle of the formwork, and initial curing provision. SOLUTION: A special machine car having a machine car such as a wrecker, a shovel car, a mobile crane or the like or having those capabilities thereof is configured so as to be remotely controlled by an operation board. In each process of assembling a concrete formwork by shells, concrete placing accompanied by vibration, and initial cure provision after concrete hardening period, one worker independently performs both manual operations required by the each process and the remote control for the machine car. COPYRIGHT: (C)2007,JPO&INPIT
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