Oh, Great: 3 Gorges Dam (World's Largest) "Deformed Slightly" After Record Rainfall, China Admits

[hatrack]

In a rare revelation, Beijing has admitted that its 2.4-kilometer Three Gorges Dam spanning the Yangtze River in Hubei province “deformed slightly” after record flooding. The official Xinhua News Agency quoted the operator of the the world’s largest hydroelectric gravity dam as saying that some nonstructural, peripheral parts of the dam had buckled. The dam was a pet project of the late Premier Li Peng and a monumental pride of the nation when it blocked and diverted Asia’s largest river in 1997.

The deformation occurred last Saturday when the flood from western provinces including Sichuan and Chongqing along the upper reaches of the Yangtze River peaked at a record-setting 61,000 cubic meters per second, according to China Three Gorges Corporation, a state-owned enterprise that manages the dam and the sprawling power plant underneath it.

The company noted that parts of the dam had “deformed slightly,” displacing some external structures, and seepage into the main outlet walls had also been reported throughout the 18 hours on Saturday and Sunday when water was discharged though its outlets.

But the problem of water seeping out did not last long, as the dam reportedly deployed floodgates to hold as much water as possible in its 39.3 billion-cubic-meter reservoir to shield the cities downstream from the biggest Yangtze deluge so far this year. It is believed that the dam’s operator must protect the central megacity of Wuhan, whose 10 million residents are still reeling from the coronavirus pandemic that erupted there in December.

EDIT

https://climatecrocks.com/2020/07/21/3-gorges-dam-deformed-slightly-after-heavy-rains/

[bronxiteforever]

1. Kick and recommend for visibility

Not good.

[yellowcanine]

2. "some nonstructural, peripheral parts of the dam had buckled."

"Nonstructural" and "buckled" would seem to be an oxymoron. It might be a peripheral part of the dam but it could still take down the whole dam if it fails completely. Kind of how water and dams work.

[hatrack]

3. Yes, like the "outer part of the dam"?

[Throck]

4. China has been a horrible steward of the environment.

[Boomer]

5. And this is only the damage that they're admitting

Which means the real situation is much much worse.

[hunter]

6. I hope they have enough plywood...

In the floods of 1983-1984, plywood flashboards were installed on the spillways of the Glen Canyon dam on the Colorado River in Northern Arizona to prevent its imminent failure.

https://en.wikipedia.org/wiki/Risks_to_the_Glen_Canyon_Dam