BRIDGE FACE CONSTRUCTION METHOD AND TEMPORARY FENCE INSTALLATION DEVICE USED FOR THE METHOD

PROBLEM TO BE SOLVED: To eliminate the danger that a person or thing falls from a bridge face before a guard fence is installed, when a bridge is constructed.SOLUTION: A first temporary fence 1 is installed apart from a bridge face edge Aa, and a work vehicle consisting of a temporary fence installa...

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Bibliographische Detailangaben
Hauptverfasser:	KOMURO YAICHIRO, OCHIAI HIROYUKI, MIZUOCHI NAOTO, YOSHIOKA KENICHI, ASAI HIROTAKA
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTIONOF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, ORTHE LIKE ASSEMBLY OF BRIDGES CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES FIXED CONSTRUCTIONS OR VIADUCTS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To eliminate the danger that a person or thing falls from a bridge face before a guard fence is installed, when a bridge is constructed.SOLUTION: A first temporary fence 1 is installed apart from a bridge face edge Aa, and a work vehicle consisting of a temporary fence installation device 3 is arranged inside the first temporary fence 1. The temporary fence installation device 3 is configured to support a second temporary fence 2 movably and to move and arrange the second temporary fence 2 at the bridge face edge Aa as shown by arrows E2, E3. The operation to install the second temporary fence 2 can be performed from inside the first temporary fence 1, and the danger that a person or thing (a tool or material) falls from the bridge face A can be eliminate.