Reconstruction of a traditional Timber Bridge in the 62nd removal of a shrine Japan Timber Bridge Association 1 Os l o Jap an 2 Japan Timber Bridge Association Japa ●n ----------●500km • Nagoya area ○ ○ ▲Mt,F uji ○ Ise c ity 3、776m ●------------------------------------------●300km 33 • • • • • 1.General history 2.Rebuilding of Uji Bridge at 2008-2009 3.Other Japanies ancient wood buildings 4.The maintenance of the bridge in Japan 5.Consideration 4 Japan Timber Bridge Association • Area of Ise-grand shrain ○------------------------------ Isuzuriver ------------------------● ○--●------------------------- 5 Japan Timber Bridge Association • Uji-jinngu main shrain, every 20years newly move to neighbor graund since AD690. 6 Japan Timber Bridge Association • Around 1877 take the photograph from west side, at east side can see the houses. 7 Japan Timber Bridge Association • General side view. from old days same scale. • Total length 108m • 13span, each span has 6.1m~7.9m 8 Japan Timber Bridge Association • Bridge section, at old days effective width was something narrow,3m~6m. Before 60th rebuilding at 1969, bridge pier was installed directly to riverbed. Today concrete footing. ●---------------------------------------- 9 Japan Timber Bridge Association 61st reconstructed Uji-bridge at 1989, this photo was taken at 2007. In past 18years open, only surface parts are exchanged. Every year crossing more than 7millonen passengers. 10 Japan Timber Bridge Association • Drift wood protection • At each reconstruction this drift wood protection are also removed. 11 Japan Timber Bridge Association At July 2008 bigan dismantling work for 1989’s Uji-bridge 12 Japan Timber Bridge Association • Removed pier column, 13 Japan Timber Bridge Association • East side half are now assembled. • Pier parts are zelkova,and main beam Japanies hinoki (Japanese cypress) 14 Japan Timber Bridge Association • Bottom side of pier are protected by cupper plate. 15 Japan Timber Bridge Association • Safety net for working 16 Japan Timber Bridge Association North side view 17 Japan Timber Bridge Association • On the top surfaces of main beam hinoki (Japanese cypress) covered by copper sheet. 18 Japan Timber Bridge Association • Temporary steel bridge for walkers. 19 Japan Timber Bridge Association • People can observe the bridging work 20 Japan Timber Bridge Association • People are observing the work for 20th years 21 Japan Timber Bridge Association • 62th at 2009 reconstructed Uji-bridge. 22 Japan Timber Bridge Association • 2009 Newly reconstructed Uji-bridge before new bridge crossing ceremony,pictured from east side. 23 Japan Timber Bridge Association • At 3.December 2009 new bridge crossing ceremony. First cross an aged woman as a gurdian angel. 24 Japan Timber Bridge Association • Around 1650,First bridge crossing. An aged woman as a gurdian angel and temporary bridge can seen. • Such wood block print was sold for pilgrim. 25 Japan Timber Bridge Association • Imperial Meiji (1868-1912) crossing the Uji-bridge This wood blook print was from Japanies famous AndohHiroshige. Such Print was also sold for pilgrim. 26 Japan Timber Bridge Association Pilgrim throw money and in the river catch it using umbrella. • From ancient, many pilgrim coming. 27 • Houryuu-ji temple, Oldest wooden temple in the world, registered for heritage. AD 607 erected, in side many national treasures. 28 Japan Timber Bridge Association • Kinntai-bridge; Iwakuni, Yamaguchi. • First erected 1673, after many times carried away by the flood. • Last reconstruction was 1953. 29 Japan Timber Bridge Association • Saruhashi-bridge ; Ootsuki Yamanashi. 30 Japan Timber Bridge Association • Katsura-bridge • • • • Tokushima Prf, in Shikoku Every 3~4year rebuild using long creeper. Ancient time this bridge was used for local people. But today this bridge is only for tourist attraction, so reinforced by steel wire. 31 Japan Timber Bridge Association • Considerations ① To build bridge using wood are sometimes unexpected price. ② And its maintenance cost are also unexpected. ③ People are expecting a governmental enough subsidy. ④ But today in such a depression, it is impossible. ⑤ In case of Uji-bridge, came no official subsidy, after the war, donation only. ⑥ Deep consideration must be ahead, when, where, how to build the new bridge. ⑦ How to keep Technical transform to next generation and for long time. ⑧ To solve problem, Ise-grand shrain has chosen “Same place,same structure. “ ⑨ Only new technology which developed in that 20years has been added. ⑩ And reconstructed year data are written in the bronze reek railing top ornament. ⑪ In reek top ornament, the another detail data were written where is storehouse. 32 Japan Timber Bridge Association Bronze leek railing top ornament 33 Japan Timber Bridge Association • • • • Thank you Danke 多謝 ありがとう 34 Japan Timber Bridge Association 35
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