FLOOR CLIMBING-TYPE TOWER CRANE AND CONSTRUCTION METHOD FOR BUILDING

摘要

PROBLEM TO BE SOLVED: To efficiently perform a restoration step of closing an opening for passage of a mast, by reducing a burden on a worker, when a building is constructed by using a floor climbing-type tower crane.SOLUTION: A hoist type crane 41 is installed in a lower part of a trestle 20 for supporting a floor climbing-type tower crane. In a space formed by an opening 8 for passage of a mast directly below the floor climbing-type tower crane, lifting is performed by the hoist type crane 41.SELECTED DRAWING: Figure 3