Structures in Kansai

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Dams The concrete used in Hiyoshi Dam - water storage, other use, flood prevention

The concrete used in Hiyoshi Dam
Conventional dams are built using concrete transported in by dump truck, spread by bulldozer, and compacted by vibrating rollers. Hiyoshi Dam was built using a new method that is safe, quick, and economical. In addition, it did not require the long-distance transport of stones (aggregate) as concrete material, because of using materials from nearby mountains. This effective use of resources is an important environmental consideration.
Photo:Hiyoshi Dam Photo: Tobishima Corp.


Shirakawa Dam
Completed 1998
Shirakawa Dam
This earth dam was constructed to rebuild and expand the embankment of the agricultural reservoir that existed here. It serves to prevent flooding and maintain water storage capacity and water intake for agricultural use.Tenri City, Nara Prefecture/River name: Yamato river system, Takase River
(Nara River tributary)
Design CTI Engineering Co Ltd.
Construction Morimoto Corp., Takenaka Civil Engineering Co., Ltd. and Okumura Special Building Construction joint venture
Reservoir area 180,000 m2
Embankment height 30 m
Total storage capacity 1,560,000 cu. m
Type Homogeneous type earth dam


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