Tōri Dam, Arch dam in Nanto, Japan.
Tōri Dam is an arch dam in the river valley of Nanto with a curved concrete design. The structure spans approximately 219 meters in length and rises about 101 meters above the riverbed.
The dam was completed in 1967 as part of Japan's post-war infrastructure development efforts. It exemplifies the engineering advances of that era in water management and energy production.
The dam serves as an educational site where students and professionals study advanced engineering principles and water management techniques.
The dam has observation points accessible via roads near Nanto city. Best access is through local transportation routes that connect the main city area to the site.
The curved arch shape allows the dam to distribute water pressure very efficiently across its structure. This design principle makes it significantly more durable than straight dam designs.
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