The Slide Replacement Work Method for the 6, 500 tf Concrete Upper Section of Penkes Overhead Aqueduct of Hokkaikangaiko and its Result
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The Penke Aqueduct Bridge with a span length of 30 meters over the Penke UtashinaiRiver on the Hokkai Main Canal is replaced by a new one with that of 137.4 meters.The bridge has to be completed within the non-iirrigation period.For reducing the construction period, the shifting method by which the 6, 500 tf PC continuous girder bridge assembled the year before is to be slid into place is adopted.The method, which has never been used on such a scale both at home and abroad, consists of lifting the bridge girder on 6 rails by means of 36 jacks whose bottom is capable of slipping, and anchoring the rails as they are before sliding the bridge into place with jacks in the horizontal direction.The result has revealed that this method allows those girders to successfully travel a distance of 50 meters in 3 days with the aid of advanced technology.
- 社団法人 農業農村工学会の論文
社団法人 農業農村工学会 | 論文
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