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METHOD FOR CONSTRUCTING SCAFFOLD FOR REBUILDING CONSTRUCTION OF BRIDGE, AND APPARATUS FOR CONSTRUCTING SCAFFOLD FOR CONSTRUCTION
METHOD FOR CONSTRUCTING SCAFFOLD FOR REBUILDING CONSTRUCTION OF BRIDGE, AND APPARATUS FOR CONSTRUCTING SCAFFOLD FOR CONSTRUCTION
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机译:桥梁重建施工脚手架的施工方法及施工脚手架的装置
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摘要
PROBLEM TO BE SOLVED: To easily install a scaffold for building work of a new bridge girder when a rebuilding construction of an overpass or the like in an overhead crossing of a road or the like is performed without blocking traffic of the road on a lower side thereof.;SOLUTION: On an upper side of an existent bridge girder 1, a new bridge girder 10 is assembled while mounting end portions to respective auxiliary members 12 placed on a support 11 in a freely removable manner. Loading equipment 13 is mounted to the new bridge girder 10, the existent bridge girder 1 is suspended, carried out in a bridge axial direction and removed. A scaffold structure 20 which is moved while being guided by a rail 16 installed in the new bridge girder 10 for guiding the loading equipment 13 is linked to rear end portions of the existent bridge girder 1 in a direction of travel. When the existent bridge girder 1 is moved, the scaffold structure 20 is drawn out and installed on a lower side of the new bridge girder 10.;COPYRIGHT: (C)2014,JPO&INPIT
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