Osaka arched floodgate deploying - GIF

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Jul 13, 2021, 08:14 AM
Altair

Osaka arched floodgate deploying - GIF

Osaka arched floodgate deploying. One of two floodgates built to protect the Japanese city from tsunamis, typhoon surges, and floods.

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Previously:

https://www.homemadetools.net/forum/...722#post163359
https://www.homemadetools.net/forum/...627#post143406
https://www.homemadetools.net/forum/...161#post134562
https://www.homemadetools.net/forum/...483#post169972
https://www.homemadetools.net/forum/...693#post151915
Jul 13, 2021, 09:09 AM
Unkle Fuzzy

I expected the arch to be in compression rather than tension.
Jul 13, 2021, 05:31 PM
nova_robotics

Quote:

Originally Posted by Unkle Fuzzy

I expected the arch to be in compression rather than tension.

Huh. That is definitely weird. Very strange design choice indeed.
Jul 13, 2021, 05:57 PM
Frank S

It wouldn't take much to add a foot bridge on that arch
Jul 14, 2021, 07:13 PM
FEM2008

Quote:

Originally Posted by Unkle Fuzzy

I expected the arch to be in compression rather than tension.

Placing in compression would direct a lot of force into inreasingly narrow channels by the support towers. That would create big splashes and errosion. The forces are directed away from the support towers this way.