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首页> 外文期刊>Proceedings of the Institution of Civil Engineers. Engineering history and heritage >The Shichika Canal of Japan since the twelfth century
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The Shichika Canal of Japan since the twelfth century

机译：十二世纪以来的日本七香运河

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摘要

This paper is concerned with the history of the Shichika Canal construction works in Japan, which have been carried outsince the twelfth century to benefit the people living in the Tedori alluvial fan. The history can be demarcated into threeperiods. The first period started at the end of the twelfth century and ended in 1903, after Gonbei Eda made a success ofdigging the five water intake holes at the Akudo Pool, feeding sufficient water to the Togashi and Go channels. The secondperiod began when the Grand Water Gate was completed in 1903 and ended in 1962, when the third period started withthe division of the Shichika Canal into three groups. With this grouping, the management and administration of theShichika Canal have become not only efficient but also effective. Water diversion by means of an inverted siphon from theShichika Canal to the Miyatake channel has made the canal much more valuable, for, by covering the part of the Kakehashibasin aside from the Tedori and Sai basins, the irrigation area has been increased by approximately 25.
机译：本文关注的是日本七花运河建设工程的历史，这些工程自12世纪以来一直在进行，以造福居住在Tedori冲积扇中的人们。历史可以分为三个时期。第一个时期始于 12 世纪末，结束于 1903 年，当时江田刚兵卫成功地在 Akudo 池挖了五个取水孔，向 Togashi 和 Go 渠道提供了足够的水。第二个时期始于 1903 年大水门完工，结束于 1962 年，当时第三个时期始于七花运河分为三组。通过这种分组，Shichika运河的管理和行政不仅变得高效而且有效。通过倒虹吸管从七花运河到宫武河道的引水使运河更有价值，因为通过覆盖除Tedori和Sai盆地之外的挂桥盆地部分，灌溉面积增加了约25%。

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