MOBILE UNIT CRANE, AND BRIDGE ERECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a means for continuously performing unloading and erection. SOLUTION: This mobile unit crane 20 comprises four or more self-traveling wheels 21; a vehicle body 22 supported on the self-traveling wheels 21; an accommodation space 23 installed in the vehicle body 22 and opened downward; several crane devices 24 hoisting and supporting a bridging member 100 in the accommodation space 23; and a control device for individually adjusting length of each wire 24c of the crane devices 24. COPYRIGHT: (C)2004,JPO